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Printed optics: 3d printing of embedded optical elements for interactive devices
E-Print Network (OSTI)
a b c d Figure 1: Custom optical elements are fabricated with 3D printing and embedded in interactive devices, opening up new possibilities for interaction including: unique display surfaces made from 3D printed �light pipes � (a), novel internal illumination techniques (b), custom optical sensors (c), and embedded optoelectronics (d). We present an approach to 3D printing custom optical elements for interactive devices labelled Printed Optics. Printed Optics enable sensing, display, and illumination elements to be directly embedded in the casing or mechanical structure of an interactive device. Using these elements, unique display surfaces, novel illumination techniques, custom optical sensors, and embedded optoelectronic components can be digitally fabricated for rapid, high fidelity, highly customized interactive devices. Printed Optics is part of our long term vision for interactive devices that are 3D printed in their entirety. In this paper we explore the possibilities for this vision afforded by fabrication of custom optical elements using today�s 3D printing technology.
Karl D. D. Willis; Eric Brockmeyer; Scott E. Hudson; Ivan Poupyrev
Exploring the emerging design territory of construction 3D printing � project led architectural research.
??3D printing techniques (also known as additive fabrication) are maturing and increasingly being used as an alternative means for niche product manufacturing. These fabrication techniques� (more)
Gardiner, J
Printed optics: 3D printing of embedded optical elements for interactive devices
Science Conference Proceedings (OSTI)
We present an approach to 3D printing custom optical elements for interactive devices labelled Printed Optics. Printed Optics enable sensing, display, and illumination elements to be directly embedded in the casing or mechanical structure ... Keywords: 3d printing, additive manufacturing, display, light, optics, projection, rapid prototyping, sensing
Karl Willis; Eric Brockmeyer; Scott Hudson; Ivan Poupyrev
3D printing rises to the occasion | ornl.gov
NLE Websites -- All DOE Office Websites (Extended Search)
Features Features 2014 2013 2012 2011 2010 News Home | ORNL | News | Features | 2013 SHARE 3D printing rises to the occasion ORNL group shows how it's done, one layer at a time A perforated metal box produced by an Arcam 3D printer. This detailed A perforated metal box produced by an Arcam 3D printer. This detailed "calibration" part illustrates some of the versatility of 3D printing. Photo: Jason Richards (hi-res image) Things have come a long way since the mid-1980s when 3D Systems cofounder Chuck Hull worked out the technology to print objects in three dimensions, one very thin layer at a time. Hull called his new technology "stereolithography." In it, a guided beam of ultraviolet light is focused on a vat of liquid polymer, solidifying areas where it hits. When one layer is complete, the
On Volume Based 3D Display Techniques
In the case of certain applications in which a need exists to visualize and interact with voluminous data sets and complex 3-D geometrical models, the conventional computer interface inhibits key human-computer interaction processes. Here, several deficiencies ... Keywords: 3-D Display, Cathode Ray Sphere, Computed Holography, Electroholography, Image Space, Static-Volume Display, Swept-Volume Display, Varifocal Display, Visualization, Volumetric Display
Barry G. Blundell
Applications of 3D Experimental Techniques Across Length Scales
Jul 11, 2012... Experimental Techniques Across Length Scales: Non-Destructive Techniques .... The efficient image-processing pipeline provides a full 3D�...
Identificering af teknologi gennem narrativer; 3D print.
??Denne rapport arbejder med en gennemgang af den s�kaldte 3D printer teknologi. Denne vil s�ttes i sammenh�ng med et teknologifilosofisk �form of life ? forst�else� (more)
Petersen, Mikael
Printing out Particle Detectors with 3D-Printers, a Potentially Transformational Advance for HEP Instrumentation
This white paper suggests posing a "grand challenge" to the HEP instrumentation community, i.e. the aggressive development of additive manufacturing, also known as 3D-printing, for the production of particle detectors in collaboration with industry. This notion is an outcome of discussions within the instrumentation frontier group during the 2013 APS-DPF Snowmass summer study conducted by the U.S. HEP community. Improvements of current industrial 3D-printing capabilities by one to two orders of magnitude in terms of printing resolution, speed, and object size together with developing the ability to print composite materials could enable the production of any desired 3D detector structure directly from a digital model. Current industrial 3D-printing capabilities are briefly reviewed and contrasted with capabilities desired for printing detectors for particle physics, with micro-pattern gaseous detectors used as a first example. A significant impact on industrial technology could be expected if HEP were to part...
Hohlmann, M
This white paper suggests posing a "grand challenge" to the HEP instrumentation community, i.e. the aggressive development of additive manufacturing, also known as 3D-printing, for the production of particle detectors in collaboration with industry. This notion is an outcome of discussions within the instrumentation frontier group during the 2013 APS-DPF Snowmass summer study conducted by the U.S. HEP community. Improvements of current industrial 3D-printing capabilities by one to two orders of magnitude in terms of printing resolution, speed, and object size together with developing the ability to print composite materials could enable the production of any desired 3D detector structure directly from a digital model. Current industrial 3D-printing capabilities are briefly reviewed and contrasted with capabilities desired for printing detectors for particle physics, with micro-pattern gaseous detectors used as a first example. A significant impact on industrial technology could be expected if HEP were to partner with industry in taking on such a challenge.
M. Hohlmann
Organ printing: computer-aided jet-based 3D tissue engineering, Trends in Biotechnology 21
Tissue engineering technology promises to solve the organ transplantation crisis. However, assembly of vascularized 3D soft organs remains a big challenge. Organ printing, which we define as computer-aided, jet-based 3D tissue-engineering of living human organs, offers a possible solution. Organ printing involves three sequential steps: pre-processing or development of �blueprints � for organs; processing or actual organ printing; and postprocessing or organ conditioning and accelerated organ maturation. A cell printer that can print gels, single cells and cell aggregates has been developed. Layer-by-layer sequentially placed and solidified thin layers of a thermo-reversible gel could serve as �printing paper�. Combination of an engineering approach with the developmental biology concept of embryonic tissue fluidity enables the creation of a new rapid prototyping 3D organ printing technology, which will dramatically accelerate and optimize tissue and organ assembly. 'Give us the tools and we will finish the job'-Winston Churchill Although the terms �tissue engineering � and �organ printing � were introduced only recently (1987 and 1999 respectively), the study of cell coalescence and tissue assembly has a much longer history and is deeply rooted in developmental biology [1]. The classic work
Vladimir Mironov; Thomas Bol; Thomas Trusk; Gabor Forgacs; Roger; R. Markwald
Customizing mesoscale self-assembly with 3D printing
Self-assembly due to capillary forces is a common method for generating 2D mesoscale structures from identical floating particles at the liquid-air interface. Designing building blocks to obtain a desired mesoscopic structure is a scientific challenge. We show herein that it is possible to shape the particles with a low cost 3D printer, for composing specific mesoscopic structures. Our method is based on the creation of capillary multipoles inducing either attractive or repulsive forces. Since capillary interactions can be downscaled, our method opens new ways to low cost microfabrication.
M. Poty; G. Lumay; N. Vandewalle
3D Printing: High-impact Emerging Technology - What You Need to Know Definitions, Adoptions, Impact, Benefits, Maturity, Vendors
3D printing is a form of additive manufacturing technology where a three dimensional object is created by laying down successive layers of material. 3D printers are generally faster, more affordable and easier to use than other additive manufacturing ...
Kevin Roebuck
Emerging Technologies in the Built Environment: Geographic Information Science (GIS), 3D Printing, and Additive Manufacturing
SciTech Connect
Abstract 1: Geographic information systems emerged as a computer application in the late 1960s, led in part by projects at ORNL. The concept of a GIS has shifted through time in response to new applications and new technologies, and is now part of a much larger world of geospatial technology. This presentation discusses the relationship of GIS and estimating hourly and seasonal energy consumption profiles in the building sector at spatial scales down to the individual parcel. The method combines annual building energy simulations for city-specific prototypical buildings and commonly available geospatial data in a GIS framework. Abstract 2: This presentation focuses on 3D printing technologies and how they have rapidly evolved over the past couple of years. At a basic level, 3D printing produces physical models quickly and easily from 3D CAD, BIM (Building Information Models), and other digital data. Many AEC firms have adopted 3D printing as part of commercial building design development and project delivery. This presentation includes an overview of 3D printing, discusses its current use in building design, and talks about its future in relation to the HVAC industry. Abstract 3: This presentation discusses additive manufacturing and how it is revolutionizing the design of commercial and residential facilities. Additive manufacturing utilizes a broad range of direct manufacturing technologies, including electron beam melting, ultrasonic, extrusion, and laser metal deposition for rapid prototyping. While there is some overlap with the 3D printing talk, this presentation focuses on the materials aspect of additive manufacturing and also some of the more advanced technologies involved with rapid prototyping. These technologies include design of carbon fiber composites, lightweight metals processing, transient field processing, and more.
New, Joshua Ryan [ORNL
Fabrication techniques for 3D metamaterials in the mid-infrared.
The authors have developed two versions of a flexible fabrication technique known as membrane projection lithography that can produce nearly arbitrary patterns in '212 D' and fully three-dimensional (3D) structures. The authors have applied this new technique to the fabrication of split ring resonator-based metamaterials in the midinfrared. The technique utilizes electron beam lithography for resolution, pattern design flexibility, and alignment. The resulting structures are nearly three orders of magnitude smaller than equivalent microwave structures that were first used to demonstrate a negative index material. The fully 3D structures are highly isotropic and exhibit both electrically and magnetically excited resonances for incident transverse electromagnetic waves.
Ellis, A. Robert; Sinclair, Michael B.; Brener, Igal; Wendt, Joel Robert; Burckel, David Bruce; Ten Eyck, Gregory A.
Comparing Simplification and Image-Based Techniques for 3D Client-Server Rendering Systems
Comparing Simplification and Image-Based Techniques for 3D Client-Server Rendering Systems W transfer and rendering load of the methods. Byte size and expected lifetime of simplifications. An example result is that in typical viewing and rendering conditions and for objects with a radius
Jansen, Erik
A Shell/3D Modeling Technique for the Analysis of Delaminated Composite Laminates
A shell/3D modeling technique developed which local three-dimensional solid finite element model used only immediate vicinity delamination front. The goal was combine the accuracy the three-dimensional solution with the computational efficiency plate shell finite element model. Multi-point constraints provided kinematically compatible interface between local three-dimensional model global structural model which has been meshed with plate shell finite elements. Double Cantilever Beam (DCB), Notched Flexure (ENF), Single Bending (SLB) specimens were modeled using shell/3D technique study feasibility pure mode (DCB), mode (ENF) mixed mode I/II (SLB) cases. Mixed mode strain energy release rate distributions were computed across the width specimens using virtual crack closure technique. Specimens a unidirectional layup and with multidirectional layup where delamination located between two non-zero degree plies were simulated. For a local three-dimensional model, extending minimum about thr...
Ronald Krueger; T. Kevin O' Brien
Roll Printed Electronics: Development and Scaling of Gravure Printing Techniques
gravure printing of indium tin oxide nanoparticle patternsfor the deposition of indium tin oxide nanoparticles forwith and without Indium Zinc Oxide (IZO) conductive layers
de la Fuente Vornbrock, Alejandro
A Shell/3d Modeling Technique For Delaminations In Composite Laminates
A shell/3D modeling technique was developed for which a local solid finite element model is used only in the immediate vicinity of the delamination front. The goal was to combine the accuracy of the full three-dimensional solution with the computational efficiency of a plate or shell finite element model. Multi-point constraints provide a kinematically compatible interface between the local 3D model and the global structural model which has been meshed with plate or shell finite elements. For simple double cantilever beam (DCB), end notched flexure (ENF), and single leg bending (SLB) specimens, mixed mode energy release rate distributions were computed across the width from nonlinear finite element analyses using the virtual crack closure technique. The analyses served to test the accuracy of the shell/3D technique for the pure mode I case (DCB), mode II case (ENF) and a mixed mode I/II case (SLB). Specimens with a unidirectional layup where the delamination is located between two 0� pl...
Ronald Krueger
Modeling a Printed Circuit Heat Exchanger with RELAP5-3D for the Next Generation Nuclear Plant
The main purpose of this report is to design a printed circuit heat exchanger (PCHE) for the Next Generation Nuclear Plant and carry out Loss of Coolant Accident (LOCA) simulation using RELAP5-3D. Helium was chosen as the coolant in the primary and secondary sides of the heat exchanger. The design of PCHE is critical for the LOCA simulations. For purposes of simplicity, a straight channel configuration was assumed. A parallel intermediate heat exchanger configuration was assumed for the RELAP5 model design. The RELAP5 modeling also required the semicircular channels in the heat exchanger to be mapped to rectangular channels. The initial RELAP5 run outputs steady state conditions which were then compared to the heat exchanger performance theory to ensure accurate design is being simulated. An exponential loss of pressure transient was simulated. This LOCA describes a loss of coolant pressure in the primary side over a 20 second time period. The results for the simulation indicate that heat is initially transferred from the primary loop to the secondary loop, but after the loss of pressure occurs, heat transfers from the secondary loop to the primary loop.
Not Available
An h-Adaptive Finite-Element Technique for Constructing 3D Wind Fields
An h-adaptive, mass-consistent finite-element model (FEM) has been developed for constructing 3D wind fields over irregular terrain utilizing sparse meteorological tower data. The element size in the computational domain is dynamically controlled ...
Darrell W. Pepper; Xiuling Wang
Nuclear Maintenance Applications Center: Assessment of Printed Circuit Board Diagnostic Techniques
This project evaluated the techniques, theoretical methods, and recommendations made in previous EPRI reports on printed circuit boards (PCBs). The goal was to find techniques to help manage PCB life.
A study of detonation timing and fragmentation using 3-D finite element techniques and a damage constitutive model
The transient dynamics finite element computer program, PRONTO-3D, has been used in conjunction with a damage constitutive model to study the influence of detonation timing on rock fragmentation during blasting. The primary motivation of this study is to investigate the effectiveness of precise detonators in improving fragmentation. PRONTO-3D simulations show that a delay time of 0.0 sec between adjacent blastholes results in significantly more fragmentation than a 0.5 ms delay.
Preece, D.S.; Thorne, B.J.
3D Materials Science 2014: Technical Program
Experimental techniques for 3D data acquisition; Advances in reconstruction algorithms; Image processing and digital representation of 2D and 3D�...
A combustion-monitoring system with 3-D temperature reconstruction based on flame-image processing technique
Based on a flame-image processing technology, a real-time combustion-monitoring, system with 3-D temperature reconstruction and visualization installed in a coal-fired furnace of a power plant was reported. A dozen flame detectors with charge-couple-device cameras were mounted along the height of the furnace to capture multiple digital flame images. A radiation energy signal (RES) was obtained from the flame images according to Wien's law of radiation. A series of in situ experiments have been done, and the results showed that the flame temperature distribution and the RES are sensitive to change in the combustion of the boiler and can be used to improve the combustion control in practical application.
Luo, Z.X.; Zhou, H.C. [Huazhong University of Science & Technology, Wuhan (China). School of Energy & Power Engineering
3D Visualization of Water Transport in Ferns
3D Visualization of Water Transport in Ferns 3D Visualization of Water Transport in Ferns Print Monday, 08 April 2013 00:00 Plants transport water through elongated cells called...
A view-sequential 3D display
This thesis outlines the various techniques for creating electronic 3D displays and analyzes their commercial potential. The thesis argues for the use of view-sequential techniques in the design of 3D displays based on ...
Cossairt, Oliver S. (Oliver Strider), 1978-
Virtual reality display techniques developed for glasses free stereoscopic visualization can be connected to remote twin video inputs.
Characterizing 3D shapes using fractal dimension
Developments in techniques for modeling and digitizing have made the use of 3D models popular to a large number of new applications. With the diffusion and spreading of 3D models employment, the demand for efficient search and retrieval methods is high. ... Keywords: 3D shape descriptor, complexity, fractal dimension
Danilo Medeiros Eler; Rosane Minghim; Odemir Martinez Bruno / Andr� Ricardo Backes
3D Shape Research
Shape Analysis Research Project. Summary: ... We have organized two workshops on 3D shape retrieval and two shape retrieval contests. ...
BIOFUELS 3D Database
BIOFUEL Database. NIST Home. BIOFUEL 3-D Structures ( Help / Contact / Rate Our Product and Services / NIST privacy policy ). Search: ...
Extra Dimensions: 3D and Time in PDF Documentation
High energy physics is replete with multi-dimensional information which is often poorly represented by the two dimensions of presentation slides and print media. Past efforts to disseminate such information to a wider audience have failed for a number of reasons, including a lack of standards which are easy to implement and have broad support. Adobe's Portable Document Format (PDF) has in recent years become the de facto standard for secure, dependable electronic information exchange. It has done so by creating an open format, providing support for multiple platforms and being reliable and extensible. By providing support for the ECMA standard Universal 3D (U3D) file format in its free Adobe Reader software, Adobe has made it easy to distribute and interact with 3D content. By providing support for scripting and animation, temporal data can also be easily distributed to a wide audience. In this talk, we present examples of HEP applications which take advantage of this functionality. We demonstrate how 3D detector elements can be documented, using either CAD drawings or other sources such as GEANT visualizations as input. Using this technique, higher dimensional data, such as LEGO plots or time-dependent information can be included in PDF files. In principle, a complete event display, with full interactivity, can be incorporated into a PDF file. This would allow the end user not only to customize the view and representation of the data, but to access the underlying data itself.
Graf, Norman A.; /SLAC
3D Printing for Computer Graphics Industry.
?? Rapid prototyping is a relativity new technology and is based on layered manufacturing which has similarities to the method an ordinary desktop paper printer� (more)
Granath, Victor
Bleeding and shrinkage in rapid manufacturing using a 3D printer.
??Bleeding effect and shrinkage behavior was analyzed in a 420 stainless steel/bronze composite (S4) cuboid printed using 3D printing technology and heat treated through a� (more)
Dhulipudi, Prashanthi.
3D Microstructure Studies
Jun 26, 2012 ... 2012 Summer School on 3D Microstructure Studies ... analysis of serial section data and synthetic microstructure generation, executables are.
... Progress in creating 3D for the Web by Sandy Ressler, a member of the Information Access Division (IAD) in ITL, and others was noted in a recent ...
Solid modeling techniques to build 3D finite element models of volcanic systems: An example from the Rabaul Caldera system, Papua New Guinea
Simulating the deformation of active volcanoes is challenging due to inherent mechanical complexities associated with heterogeneous distributions of rheologic properties and irregular geometries associated with the topography and bathymetry. From geologic ... Keywords: 3D geometry, Deformation, Finite Elements Models, Rabaul Caldera
Erika Ronchin, Timothy Masterlark, Joan Mart� Molist, Steve Saunders, Wei Tao
3D Simulations in Environmental Impact Assessment
The increase of petrol cost and the failure of Kyoto agreement generated huge investments in renewable energy sources. In recent times a lot of local authorities allowed wind farm location. In many cases, environmental impact assessments do not take ... Keywords: 3D CAD models, 3D GIS analysis, Multimedia techniques, Viewshed, Visual impact assessment, Wind farm
Maria Danese; Giuseppe Las Casas; Beniamino Murgante
Hardware trust implications of 3-D integration
3-D circuit-level integration is a chip fabrication technique in which two or more dies are stacked and combined into a single circuit through the use of vertical electroconductive posts. Since the dies may be manufactured separately, 3-D circuit integration ...
Ted Huffmire; Timothy Levin; Michael Bilzor; Cynthia E. Irvine; Jonathan Valamehr; Mohit Tiwari; Timothy Sherwood; Ryan Kastner
Energy Savings in 3-D | ornl.gov
Energy savings in 3-D Energy savings in 3-D ORNL researchers show production, energy advantages of additive manufacturing ORNL 3-D printer in use. ORNL 3-D printer in use. Researchers at the Department of Energy's Oak Ridge National Laboratory are working with aircraft makers to determine energy savings through the use of additive manufacturing, also known as 3-D printing. Sachin Nimbalkar and his ORNL colleagues are printing airplane parts to show additive manufacturing's potential as a technology that should be considered foundational to processes seeking more energy efficiency. Additive manufacturing builds products precisely, layer by layer, and is distinctly different from traditional subtractive manufacturing processes, which take raw material and cut it down into a desired shape and size.
FO3D: formatting objects for PDF3D
3D is useful in many real-world applications beyond computer games. The efficiency of communication is greatly enhanced by combining interlinked verbal descriptions with 3D content. However, there is a wide gap between the great demand for 3D content ... Keywords: PDF 3D, XSL-FO
Gerald Buchgraber; Ren� Berndt; Sven Havemann; Dieter W. Fellner
All the items fit to print
3D printing has come of age. It promises to revolutionize a wide range of industries and profoundly change the way people buy and consume.
Samuel Greengard
3-D Airflow Measurement Using Smoke Particles
A new 3-D PIV-technique that is applicable to low velocity airflow in a real space such as indoor airflow is proposed, and its performance is inspected through a simulation and an experimental application. In this technique, two parallel planes separated ... Keywords: PIV, indoor airflow, pattern tracking, simulation, wind tunnel experiment
A. Kaga; K. Yamaguchi; Y. Inoue; A. Kondo
Alignment of Continuous Video onto 3D Point Clouds
We propose a general framework for aligning continuous (oblique) video onto 3D sensor data. We align a point cloud computed from the video onto the point cloud directly obtained from a 3D sensor. This is in contrast to existing techniques where the 2D ... Keywords: Index Terms- Alignment, pose estimation, motion stereo, range data, sensor fusion, 3D model and visualization.
Wenyi Zhao; David Nister; Steve Hsu
Keypoint identification and feature-based 3D face recognition
We present a feature-based 3D face recognition algorithm and propose a keypoint identification technique which is repeatable and identifies keypoints where shape variation is high in 3D faces. Moreover, a unique 3D coordinate basis can be defined locally ...
Ajmal Mian; Mohammed Bennamoun; Robyn Owens
X3D: Extensible 3D Graphics for Web Authors
In the early days of the Web a need was recognized for a language to display 3D objects through a browser. An HTML-like language, VRML, was proposed in 1994 and became the standard for describing interactive 3D objects and worlds on the Web. 3D Web courses ... Keywords: Computer Graphics
Don Brutzman; Leonard Daly
Print-and-Peel Fabrication for Microfluidics: What�s in it for Biomedical Applications?
Solid-object printers have the capability for 3D printing,single-step 3D molding without a solid-object printer. 33,763D) printing of masters using a solid-object printer.
Thomas, Marlon S.; Millare, Brent; Clift, Joseph M.; Bao, Duoduo; Hong, Connie; Vullev, Valentine I.
3D in Web Pages
3D in Web Pages. This page is currently under construction! Return to Visualization. *. Bookmark and Share. Return to Visualization.
Stereoscopic 3D line drawing
This paper discusses stereoscopic 3D imaging based on line drawing of 3D shapes. We describe the major issues and challenges in generating stereoscopic 3D effects using lines only, with a couple of relatively simple approaches called each-eye-based and ... Keywords: binocular rivalry, line drawing, line stylization, non-photorealism, stereo coherence, stereoscopy
Yongjin Kim; Yunjin Lee; Henry Kang; Seungyong Lee
Printing Tiny Batteries | U.S. DOE Office of Science (SC)
Office of Science (SC) Website
Stories of Discovery & Innovation: "Printing" Stories of Discovery & Innovation: "Printing" Tiny Batteries? Energy Frontier Research Centers (EFRCs) EFRCs Home Centers Research Science Highlights News & Events EFRC News Observing the Sparks of Life EFRC Events DOE Announcements Publications Contact BES Home 06.26.13 Stories of Discovery & Innovation: "Printing" Tiny Batteries? Print Text Size: A A A Subscribe FeedbackShare Page Researchers use sophisticated 3D printing techniques to create batteries the size of a grain of sand. This work, featured in the Office of Science's Stories of Discovery & Innovation, was supported in part by the Light-Materials Interactions for Energy Conversion (LMI), an EFRC led by Harry Atwater at the California Institute of Technology. Last modified: 6/26/2013 8:53:17
3D Elemental Mapping of Cells using Electron and Ion Beams
3D Elemental Mapping of Cells Using Electron and Ion Beams. Summary: Although it is the most commonly used technique ...
Similarity based retrieval from a 3D human database
In this paper, we describe a framework for similarity based retrieval from a 3D human database. Our technique is based on both body and head shape representation and retrieval based on similarity of both of them. The 3D human database used in our study ... Keywords: body and head shape, human database, retrieval, similarity
Afzal Godil; Sandy Ressler
3D Visualization of Water Transport 3D Visualization of Water Transport in Ferns 3D Visualization of Water Transport in Ferns Print Monday, 08 April 2013 00:00 Plants transport water through elongated cells called xylem. However, in trees such as eucalyptus or redwood, the xylem tissue-better known as wood-bears the weight of the branches and leaves, giving rise to the often massive canopies characteristic of these species. We know much about water transport in woody plants, but considerably less about primitive plants such as ferns. Not only have ferns played an important role in the evolution of trees and shrubs but collectively, these plant forms are a fascinating study in contrasts because ferns use xylem strictly for water transport, leaving structural support to other tissues. Given the global distribution and impressive diversity of ferns, how has their xylem evolved to deal with variable habitat water availability?
Spectral-Driven Isometry-Invariant Matching of 3D Shapes
This paper presents a matching method for 3D shapes, which comprises a new technique for surface sampling and two algorithms for matching 3D shapes based on point-based statistical shape descriptors. Our sampling technique is based on critical points ... Keywords: 3D model retrieval, Feature points, Isometry-invariant matching, Laplace-Beltrami operator, Local statistical shape descriptors
Mauro R. Ruggeri; Giuseppe Patan�; Michela Spagnuolo; Dietmar Saupe
Comparison of Wax and 3D Printed Investment Casting Pattern ...
About this Abstract. Meeting, Materials Science & Technology 2012. Symposium, Advances in Metal Casting Technologies. Presentation Title, Comparison of�...
Experimental science is replete with multi-dimensional information which is often poorly represented by the two dimensions of presentation slides and print media. Past efforts to disseminate such information to a wider audience have failed for a number of reasons, including a lack of standards which are easy to implement and have broad support. Adobe's Portable Document Format (PDF) has in recent years become the de facto standard for secure, dependable electronic information exchange. It has done so by creating an open format, providing support for multiple platforms and being reliable and extensible. By providing support for the ECMA standard Universal 3D (U3D) file format in its free Adobe Reader software, Adobe has made it easy to distribute and interact with 3D content. By providing support for scripting and animation, temporal data can also be easily distributed to a wide, non-technical audience. We discuss how the field of radiation imaging could benefit from incorporating full 3D information about not only the detectors, but also the results of the experimental analyses, in its electronic publications. In this article, we present examples drawn from high-energy physics, mathematics and molecular biology which take advantage of this functionality. We demonstrate how 3D detector elements can be documented, using either CAD drawings or other sources such as GEANT visualizations as input.
Graf, N.A.; /SLAC
3D Materials Science 2014: Home Page
2nd International Congress on 3D Materials Science 2014. June 29 � July 2, 2014 � Annecy, France. The International Congress on 3D Materials Science seeks�...
Vectorial Radio Interferometry with LOPES 3D
One successful detection technique for high-energy cosmic rays is based on the radio signal emitted by the charged particles in an air shower. The LOPES experiment at Karlsruhe Institute of Technology, Germany, has made major contributions to the evolution of this technique. LOPES was reconfigured several times to improve and further develop the radio detection technique. In the latest setup LOPES consisted of 10 tripole antennas. With this, LOPES 3D was the first cosmic ray experiment measuring all three vectorial field components at once and thereby gaining the full information about the electric field vector. We present an analysis based on the data taken with special focus on the benefits of a direct measurement of the vertical polarization component. We demonstrate that by measuring all polarization components the detection and reconstruction efficiency is increased and noisy single channel data can be reconstructed by utilising the information from the other two channels of one antenna station.
Huber, D; Arteaga, J C; B�hren, L; Bekk, K; Bertaina, M; Biermann, P L; Bl�mer, J; Bozdog, H; Brancus, I M; Chiavassa, A; Daumiller, K; de Souza, V; Di Pierro, F; Doll, P; Engel, R; Falcke, H; Fuchs, B; Fuhrmann, D; Gemmeke, H; Grupen, C; Haungs, A; Heck, D; H�randel, J R; Horneffer, A; Huege, T; Isar, P G; Kampert, K H; Kang, D; Kr�mer, O; Kuijpers, J; Link, K; ?uczak, P; Ludwig, M; Mathes, H J; Melissas, M; Morello, C; Oehlschl�ger, J; Palmieri, N; Pierog, T; Rautenberg, J; Rebel, H; Roth, M; R�hle, C; Saftoiu, A; Schieler, H; Schmid, A; Schr�der, F G; Sima, O; Toma, G; Trinchero, G C; Weindl, A; Wochele, J; Wommer, M; Zabierowski, J; Zensus, J A
Integrating 3D and 2D computer generated imagery for the comics medium
Advances in 3D computer technology have led to aesthetic experimentation within the comics medium. Comic creators have produced comic books done entirely with 3D models that are then assembled digitally for the printed page. However, in using these 3D objects in a comic format, the creators have developed art styles that do not adhere to the paradigms established by this traditionally 2D medium. More successful results can be achieved by integrating 3D computer generated imagery with traditional 2D imagery, rather than replacing it. This thesis develops a method of combining rendered 3D models with 2D vector graphics to create a comic book art style that is consistent with the traditional medium, while still taking advantage of the new technology.
DeLuna, Ruben
High throughput 3-D tissue cytometry
This thesis presents the ongoing technological development of high throughput 3-D tissue cytometry.and its applications in biomedicine. 3-D tissue cytometry has been developed in our laboratory based on two-photon microscopy ...
Kwon, Hyuk-Sang, 1971-
The International Congress on 3D Materials Science seeks to provide the ... assess the state-of-the-art within the various elements of 3D materials science, but to�...
3D Shape Searching for Manufacturing Apps.
3D Shape Searching for Manufacturing Applications. Principal Investigator: Afzal Godil (301) 975-4262 firstname.lastname@example.com. ...
3-D Space as New Frontier
... of an MP3 song file. And artists are experimenting with creating unconventional 3-D works. Adding a spatial dimension ...
Liquid cooling for 3D-ICs
This paper investigated micro-channel based liquid cooling in 3D-ICs. Specifically, the structure of 3D-IC with micro-channels, and its thermal/hydrodynamic modeling are studied. Also, the design challenges of micro-channel heat sinks in 3D-IC are summarized. Keywords: microchannel heat sink, liquid cooling, 3D-IC, thermal modeling, hydrodynamic modeling
Bing Shi; Ankur Srivastava
A survey on CAD methods in 3D garment design
With the advance in virtual reality applications, garment industry has strived for new developments. This paper reviews state-of-the-art CAD methods in 3D garment design. A large range of techniques are selected and organized into several key modules ... Keywords: CAD methods, Feature modeling, Garments
Yong-Jin Liu; Dong-Liang Zhang; Matthew Ming-Fai Yuen
VISUALS: 3-D Animation of Dislocation Glide
Feb 12, 2007 ... Animation of edge-screw dislocation glide. Citation: van der Pluijm, Ben. "3-D Animation of Dislocation Glide." Teach the Earth: The SERC�...
3-D Motion Estimation Using Range Data
... Digital Object Identifier 10.1109/TITS.2006.883112 ... sequences were constructed via 3-D object-oriented graphics library (OOGL) files. ... SPIE�Adv. ...
3D Materials Science 2012: Technical Program
3D Materials Science 2012: Technical Program July 8-12, 2012 � Seven Springs Mountain Resort � Seven Springs, Pennsylvania. View Session Sheets.
Thermobonded 3D Nonwoven Wool Structures.
??The aims of this study were to form uncompressed thermobonded 3D wool nonwoven shell structures in one continuous process, and to study the controlling factors� (more)
Nassar, Khaled Mansour Abd el hafez
Advanced 3D Detectors for Research | U.S. DOE Office of Science (SC)
Advanced 3D Detectors for Research Advanced 3D Detectors for Research Nuclear Physics (NP) NP Home About Research Facilities Science Highlights Benefits of NP Funding Opportunities Nuclear Science Advisory Committee (NSAC) News & Resources Contact Information Nuclear Physics U.S. Department of Energy SC-26/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-3613 F: (301) 903-3833 E: email@example.com More Information » January 2013 Advanced 3D Detectors for Research Gamma-ray detectors built with silicon photomultiplier arrays provide high-resolution 3D imaging for research. Print Text Size: A A A Subscribe FeedbackShare Page Click to enlarge photo. Enlarge Photo Image courtesy of Jefferson Lab Silicon photomultiplier array. The Office of Nuclear Physics funds a community of scientists to do basic
Virtual Frog Dissection: Interactive 3D Graphics Via the Web
Dissection: Interactive 3D Graphics Via the Web Dissection: Interactive 3D Graphics Via the Web David Robertson, William Johnston, and Wing Nip Imaging and Distributed Computing Group Lawrence Berkeley National Laboratory Published in Proceedings, The Second International WWW Conference '94: Mosaic and the Web, Chicago, IL (1994). Hyperlinks have been updated periodically to replace stale links. ABSTRACT We have developed a set of techniques for providing interactive 3D graphics via the World Wide Web (WWW) as part of the ``Whole Frog'' project [ 1 ]. We had three goals: (1) to provide K-12 biology students with the ability to explore the anatomy of a frog with a virtual dissection tool; (2) to show the feasibility of interactive visualization over the Web; and (3) to show the possibility for the Web and its associated browsers to be an
3-D Model for Deactivation & Decommissioning | Department of...
Energy.gov (U.S. Department of Energy (DOE)) Indexed Site
3-D Model for Deactivation & Decommissioning 3-D Model for Deactivation & Decommissioning The design and production of 3-D scale models that replicate the highly contaminated...
SHREC 2010 - Shape Retrieval Contest based on Generic 3D ...
... this track is to evaluate the performance of 3D shape retrieval approaches on a Generic 3D shape benchmark based on the Google 3D Warehouse. ...
Printed Optics: 3D Printing of Embedded Optical Elements for Interactive Devices
., and Takada, Y. Ficon: A tangible display device for tabletop system using optical fiber. In ITS '11, ACM that the design of optical systems for interactive devices can be greatly enhanced. We present the following of individual parts and the manual labor required for assembly. Optical fiber bun- dles, that are typically made
Poupyrev, Ivan
A Memory Efficient 3-D DWT Architecture
This paper proposes a memory efficientreal-time 3-D DWT algorithm and its architectural implementation. As the running JD-DWT refreshes the wavelet coefficients with the arrival of every two newframes, the latency of the conventional 3D-DWT reduces by ...
B. Das; Swapna Banerjee
Edge structure preserving 3-D image denoising
In various applications, including magnetic resonance imaging (MRI) and functional MRI (fMRI), 3- D images get increasingly popular. To improve reliability of subsequent image analyses, 3-D image denoising is often a necessary pre-processing step, which ... Keywords: edge-preserving image restoration, jump regression analysis, surface estimation
Peihua Qiu; Partha Sarathi Mukherjee
Reconstructing 3D buildings from Lidar data
Accurate 3D surface models in urban areas are essential for a variety of applications, such as visualization, GIS, and mobile communications. Since manual surface reconstruction is very costly and time consuming, the development of automated algorithms is of great importance. On the other hand LIDAR data is a relatively new technology for obtaining Digital Surface Models (DSM) of the earth�s surface. It is a fast method for sampling the earth�s surface with a high density and high point accuracy. In this paper a new approach for building extraction from LIDAR data is presented. The approach utilizes the geometric properties of urban buildings for the reconstruction of the building wire-frames from the LIDAR data. We start by finding the candidate building points that are used to populate a plane parameter space. After filling the plane parameter space, we find the planes that can represent the building roof surfaces. Roof regions are then extracted and the plane parameters are refined using a robust estimation technique and the geometric constraint between adjacent roof facets. The region boundaries are extracted and used to form the building wireframes. The algorithm is tested on two buildings from a locally acquired LIDAR data sets. The test results show some success in extracting urban area buildings. 1.
Ahmed F. Elaksher; James S. Bethel
ISReal: an open platform for semantic-based 3D simulations in the 3D internet
We present the first open and cross-disciplinary 3D Internet research platform, called ISReal, for intelligent 3D simulation of realities. Its core innovation is the comprehensively integrated application of semantic Web technologies, semantic services, ...
Patrick Kapahnke; Pascal Liedtke; Stefan Nesbigall; Stefan Warwas; Matthias Klusch
Extending 2-D Smoothed Local Symmetries to 3-D
3-D Smoothed Local Symmetries (3-D SLS's) are presented as a representation for three-dimensional shapes. 3-D SLS's make explicit the perceptually salient features of 3-D objects and are especially suited to representing ...
Braunegg, David J.
Special Section on 3D Object Retrieval: Efficient 3D object recognition using foveated point clouds
Recent hardware technologies have enabled acquisition of 3D point clouds from real world scenes in real time. A variety of interactive applications with the 3D world can be developed on top of this new technological scenario. However, a main problem ... Keywords: 3D object recognition, Moving fovea, Point cloud
Rafael Beserra Gomes, Bruno Marques Ferreira Da Silva, Lourena Karin De Medeiros Rocha, Rafael Vidal Aroca, Luiz Carlos Pacheco Rodrigues Velho, Luiz Marcos Garcia Gon�Alves
Modeling and optimization of stencil printing operations: A comparison study
This paper presents a comparison study for the optimization of stencil printing operations using hybrid intelligence technique and response surface methodology (RSM). An average 60% of soldering defects are attributed to solder paste stencil printing ... Keywords: DPMO, Fuzzy quality loss function, Genetic algorithms, Neural network, Printed circuit board, Stencil printing, Surface mount technology
Tsung-Nan Tsai
Authentication of images for 3D cameras: Reversibly embedding information using intelligent approaches
In this work, a reversible watermarking approach for authentication of 3D cameras based on computational intelligence is presented. Two intelligent techniques based on differential evolution (DE) and hybrid DE are employed to optimize the tradeoff between ... Keywords: 3D camera, Depth maps, Differential evolution algorithm, Integer wavelet transform, Particle swarm optimization, Reversible watermarking
Sana Ambreen Malik; Asifullah Khan; Mutawarra Hussain; Khurram Jawad; Rafiullah Chamlawi; Abdul Jalil
Assessing the socio-economic impact of 3D visualization in cultural heritage
Despite the multitude of impact measurement techniques available to heritage site managers there is a case for the bigger strategic picture to figure more strongly in impact measurement decision making for ICT and 3D applications in the heritage sector. ... Keywords: 3D visualisation, economics, socio-economic impact
Jaime Kaminski; Jim McLoughlin; Babak Sodagar
AOCS Official Method Cd 3d-63
Acid Value AOCS Official Method Cd 3d-63 Methods Methods and Analyses Analytical Chemistry Methods Downloads Methods Downloads DEFINITION The acid value is the number of milligrams of potassium hydroxide necess
geom3d.html - CECM
Line: AreConcurrent AreCoplanar AreParallel ArePerpendicular AreSkewLines ... In this case, the power of the geom3d package is dependent on the power of�...
AOCS Official Method Ca 3d-02
Determination of Sediment in Crude Fats and Oils�Centrifuge Method AOCS Official Method Ca 3d-02 Methods Methods and Analyses Analytical Chemistry Methods Downloads Methods Downloads AOCS DEFINITION...
Energy Science and Technology Software Center (OSTI)
002440MLTPL00 3D Torus Routing Engine Module for OFA OpenSM v. 1.0� http://www.openfabrics.org/git?p=sashak/management.git;a=sum�
Makoil, Inc., of Orange, California, with the support of the U.S. Department of Energy has reprocessed and reinterpreted the 3D seismic survey of the Grant Canyon area, Railroad Valley, Nye County, Nevada. The project was supported by Dept. of Energy Grant DE-FG26-00BC15257. The Grant Canyon survey covers an area of 11 square miles, and includes Grant Canyon and Bacon Flat oil fields. These fields have produced over 20 million barrels of oil since 1981, from debris slides of Devonian rocks that are beneath 3,500 to 5,000 ft of Tertiary syntectonic deposits that fill the basin of Railroad Valley. High-angle and low-angle normal faults complicate the trap geometry of the fields, and there is great variability in the acoustic characteristics of the overlying valley fill. These factors combine to create an area that is challenging to interpret from seismic reflection data. A 3D seismic survey acquired in 1992-93 by the operator of the fields has been used to identify development and wildcat locations with mixed success. Makoil believed that improved techniques of processing seismic data and additional well control could enhance the interpretation enough to improve the chances of success in the survey area. The project involved the acquisition of hardware and software for survey interpretation, survey reprocessing, and reinterpretation of the survey. SeisX, published by Paradigm Geophysical Ltd., was chosen as the interpretation software, and it was installed on a Dell Precision 610 computer work station with the Windows NT operating system. The hardware and software were selected based on cost, possible addition of compatible modeling software in the future, and the experience of consulting geophysicists in the Billings area. Installation of the software and integration of the hardware into the local office network was difficult at times but was accomplished with some technical support from Paradigm and Hewlett Packard, manufacturer of some of the network equipment. A number of improvements in the processing of the survey were made compared to the original work. Pre-stack migration was employed, and some errors in muting in the original processing were found and corrected. In addition, improvements in computer hardware allowed interactive monitoring of the processing steps, so that parameters could be adjusted before completion of each step. The reprocessed survey was then loaded into SeisX, v. 3.5, for interpretation work. Interpretation was done on 2, 21-inch monitors connected to the work station. SeisX was prone to crashing, but little work was lost because of this. The program was developed for use under the Unix operating system, and some aspects of the design of the user interface betray that heritage. For example, printing is a 2-stage operation that involves creation of a graphic file using SeisX and printing the file with printer utility software. Because of problems inherent in using graphics files with different software, a significant amount of trial and error is introduced in getting printed output. Most of the interpretation work was done using vertical profiles. The interpretation tools used with time slices are limited and hard to use, but a number to tools and techniques are available to use with vertical profiles. Although this project encountered a number of delays and difficulties, some unavoidable and some self-inflicted, the result is an improved 3D survey and greater confidence in the interpretation. The experiences described in this report will be useful to those that are embarking on a 3D seismic interpretation project.
Eric H. Johnson; Don E. French
Robust and efficient photo-consistency estimation for volumetric 3d reconstruction
Estimating photo-consistency is one of the most important ingredients for any 3D stereo reconstruction technique that is based on a volumetric scene representation. This paper presents a new, illumination invariant photo-consistency measure for high ...
Alexander Hornung; Leif Kobbelt
Evaluating Extensible 3D (X3D) Graphics For Use in Software Visualisation.
??3D web software visualisation has always been expensive, special purpose, and hard to program. Most of the technologies used require large amounts of scripting, are� (more)
Anslow, Craig
3D-Printerens Udbredelse; The Diffusion of the 3D-Printer.
??This Paper investigates the 3D Printers curent state of diffusion and impact on modernity with use of Rogers theory of diffusion of innovation in relation� (more)
Lindhardt, Tobias
An FPGA-based 3D Graphics System; Ett FPGA-baserat 3D-grafiksystem.
?? This report documents the work done by the author to design and implement a 3D graphics system on an FPGA (Field Programmable Gate Array).� (more)
Knutsson, Niklas
Joint watermarking and progressive geometric compression of 3D meshes
With the ever-increasing development of digital technologies and digital 3D models, the question of 3D mesh protection has becoming more and more important. One of the problems in digital watermarking is to decide how to embed in a 3D mesh as many bits ... Keywords: 3D compression, blind watermarking, dither modulation, semi-regular 3D meshes, wavelet transform
Ines Bouzidi; Azza Ouled Zaid; Meha Hachani; William Puech
3D engine for immersive virtual environments
The purpose of this project is to develop a software framework, a 3D engine, which will generate images to be projected onto facets of a spatially immersive display (SID). The goal is to develop a software library to support the creation of images of specified 3D environments which are specific to the display geometries of a polyhedral class of SIDs. Part of this goal is developing auxiliary software to allow this library to be thoroughly tested. When properly working, the images being displayed on adjoining faces of the SID appear spatially and temporally consistent with one another, creating the illusion that the user is within a surrounding three-dimensional space.
Anderson, Christopher Dean
Making 3D work: a classification of visual depth cues, 3D display technologies and their applications
3D display technologies improve perception and interaction with 3D scenes, and hence can make applications more effective and efficient. This is achieved by simulating depth cues used by the human visual system for 3D perception. The type of employed ... Keywords: 3D display technologies, applications of 3D display technologies, classification, depth cues, stereo perception
Mostafa Mehrabi, Edward M. Peek, Burkhard C. Wuensche, Christof Lutteroth
3-D hydro + cascade model at RHIC
We present a 3-D hydro + cascade model in which viscosity and a realistic freezeout process for the hadronic phase are taken into account. We compare our results to experimental data and discuss the finite state interaction effects on physical observables.
Chiho Nonaka; Steffen A. Bass
Blender 3D Architecture, Buildings, and Scenery
DETAIL This book will show you how to create realistic architectural models in Blender. Blender is an open-source 3D animation program released as free software. It can be used for modeling, texturing, skinning, animating, and so on. It runs on all the ...
Allan Brito
Nonaka, C; Nonaka, Chiho; Bass, Steffen A.
SHREC 2013 - Large Scale Sketch-Based 3D Shape ...
... It is also popular and important for related applications such as sketch-based modeling and recognition, as well as 3D animation production via 3D ...
Available Technologies: Integrated Profiling of 3D Cell ...
Integrated Profiling of 3D Cell Culture Models and 3D Microscopy. 2013-177. ABSTRACT: Researchers at Berkeley Lab have developed a screening platform ...
3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal...
Open Energy Info (EERE)
3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal Field, Indonesia Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: 3-D...
Magnetism In 3d Transition Metals at High Pressures
This research project examined the changes in electronic and magnetic properties of transition metals and oxides under applied pressures, focusing on complex relationship between magnetism and phase stability in these correlated electron systems. As part of this LDRD project, we developed new measurement techniques and adapted synchrotron-based electronic and magnetic measurements for use in the diamond anvil cell. We have performed state-of-the-art X-ray spectroscopy experiments at the dedicated high-pressure beamline HP-CAT (Sector 16 Advanced Photon Source, Argonne National Laboratory), maintained in collaboration with of University of Nevada, Las Vegas and Geophysical Laboratory of The Carnegie Institution of Washington. Using these advanced measurements, we determined the evolution of the magnetic order in the ferromagnetic 3d transition metals (Fe, Co and Ni) under pressure, and found that at high densities, 3d band broadening results in diminished long range magnetic coupling. Our experiments have allowed us to paint a unified picture of the effects of pressure on the evolution of magnetic spin in 3d electron systems. The technical and scientific advances made during this LDRD project have been reported at a number of scientific meetings and conferences, and have been submitted for publication in technical journals. Both the technical advances and the physical understanding of correlated systems derived from this LDRD are being applied to research on the 4f and 5f electron systems under pressure.
Iota, V
3D Technology for intelligent trackers
At Super-LHC luminosity it is expected that the standard suite of level 1 triggers for CMS will saturate. Information from the tracker will be needed to reduce trigger rates to satisfy the level 1 bandwidth. Tracking trigger modules which correlate information from closely-spaced sensor layers to form an on-detector momentum filter are being developed by several groups. We report on a trigger module design which utilizes three dimensional integrated circuit technology incorporating chips which are connected both to the top and bottom sensor, providing the ability to filter information locally. A demonstration chip, the VICTR, has been submitted to the Chartered/Tezzaron two-tier 3D run coordinated by Fermilab. We report on the 3D design concept, the status of the VICTR chip and associated sensor integration utilizing oxide bonding.
Lipton, Ronald; /Fermilab
3-D Metals | Open Energy Information
Metals Metals Jump to: navigation, search Name 3-D Metals Facility 3-D Metals Sector Wind energy Facility Type Small Scale Wind Facility Status In Service Location Valley City OH Coordinates 41.2481362°, -81.88305616° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":41.2481362,"lon":-81.88305616,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}
3-D Model for Deactivation & Decommissioning
Project & Identifier Project & Identifier Tech Stage: Deployment In-Situ Decommissioning: SR09171 SRS Area Closure Projects: PBS SR-0040 3-D models of the R reactor building and P reactor vessel were delivered to SRS Area Closure Projects Page 1 of 2 Tech Fact Sheet Savannah River Site South Carolina 3-D Model for Deactivation & Decommissioning Challenge Planning for the safe and controlled deactivation and decommissioning (D&D) of highly contaminated nuclear facilities requires that engineers and managers fully understand the work space in which personnel and equipment will operate. It also requires that they effectively communicate safety concerns and work sequences to the personnel who will perform the work. This crucial knowledge is conveyed in
3D Technologies for Large Area Trackers
We describe technologies which can be developed to produce large area, low cost pixelated tracking detec- tors. These utilize wafer-scale 3D electronics and sensor technologies currently being developed in industry. This can result in fully active sensor/readout chip tiles which can be assembled into large area arrays with good yield and minimal dead area. The ability to connect though the bulk of the device can also provide better electrical performance and lower mass.
Deptuch, G; Johnson, M; Kenney, C; Lipton, R; Narian, M; Parker, S; Shenai, A; Spiegel, L; Thom, J; Ye, Z
G. Deptuch; U. Heintz; M. Johnson; C. Kenney; R. Lipton; M. Narian; S. Parker; A. Shenai; L. Spiegel; J. Thom; Z. Ye
Restructuring of RELAP5-3D
The RELAP5-3D source code is unstructured with many interwoven logic flow paths. By restructuring the code, it becomes easier to read and understand, which reduces the time and money required for code development, debugging, and maintenance. A structured program is comprised of blocks of code with one entry and exit point and downward logic flow. IF tests and DO loops inherently create structured code, while GOTO statements are the main cause of unstructured code. FOR_STRUCT is a commercial software package that converts unstructured FORTRAN into structured programming; it was used to restructure individual subroutines. Primarily it transforms GOTO statements, ARITHMETIC IF statements, and COMPUTED GOTO statements into IF-ELSEIF-ELSE tests and DO loops. The complexity of RELAP5-3D complicated the task. First, FOR_STRUCT cannot completely restructure all the complex coding contained in RELAP5-3D. An iterative approach of multiple FOR_STRUCT applications gave some additional improvements. Second, FOR_STRUCT cannot restructure FORTRAN 90 coding, and RELAP5-3D is partially written in FORTRAN 90. Unix scripts for pre-processing subroutines into coding that FOR_STRUCT could handle and post-processing it back into FORTRAN 90 were written. Finally, FOR_STRUCT does not have the ability to restructure the RELAP5-3D code which contains pre-compiler directives. Variations of a file were processed with different pre-compiler options switched on or off, ensuring that every block of code was restructured. Then the variations were recombined to create a completely restructured source file. Unix scripts were written to perform these tasks, as well as to make some minor formatting improvements. In total, 447 files comprising some 180,000 lines of FORTRAN code were restructured. These showed significant reduction in the number of logic jumps contained as measured by reduction in the number of GOTO statements and line labels. The average number of GOTO statements per subroutine dropped from 8.8 before restructuring to 5.3 afterwards, a reduction of 40%. The maximum number of GOTO statements in any subroutine dropped from 213 to 99, a factor of 2.1. Finally, the maximum number of statement labels dropped from 210 to 43, a factor of nearly 5. While many blocks of code remain unstructured, a much greater fraction of the code is now structured. These measurements indicate a serious reduction in degree of interweaving of logic paths.
George Mesina; Joshua Hykes
Comparison of stochastic filtering methods for 3D tracking
In the recent years, the 3D visual research has gained momentum with publications appearing for all aspects of 3D including visual tracking. This paper presents a review of the literature published for 3D visual tracking over the past five years. The ... Keywords: 3D tracking, Articulated object tracking, Condensation algorithm, Kalman filter, Motion cue, Particle filter
Yasir Salih; Aamir Saeed Malik
Natural Language Generation Journeys to Interactive 3D Worlds*
as they explain and demonstrate complex phenomena. In 3D interactive fiction systems, user- directed avatars that charac- terize physical devices must be clearly explained. NLG delivered with speech synthesis will need of interactive 3D worlds: self- . ." explaining 3D environments, habitable 3D learning en- vironments
AgentCubes: Incremental 3D end-user development
3D game development can be an enticing way to attract K-12 students to computer science, but designing and programming 3D games is far from trivial. Students need to achieve a certain level of 3D fluency in modeling, animation, and programming to be ... Keywords: Computational thinking, End-user development, Game design, IT fluency, Incremental 3D, Visual programming
Andri Ioannidou; Alexander Repenning; David C. Webb
Realizacao domestica e escolar de foto e video 3D
English: Industry does not give attention to the small domestic or professional market of digital technologies for 3D images. What was done on the XX century by using photographic film is not know available to the common people, though the facilities are even better. Some technique developed in Brasil twenty years ago and the use of conventional domestic photo or video cameras allows fot making pictures and films at home by using digital conversions for editing, and two-color goggles. The anaglyphic technique, the same NASA employs to show Mars images to the public, is not employed in Brazil yet. We must analize the reasons for that. Portugues: A industria nao tem dado atencao ao mercado domestico ou profissional de pequena escala nas novas tecnologias digitais para imagem 3D. O que foi feito ao longo do seculo XX usando filme fotografico nao esta hoje ao alcance das pessoas, sendo que a facilidade de uso e muito maior. Tecnicas desenvolvidas no Brasil ha mais de vinte anos, e o uso de simples cameras convencionais de fotografia e video permitem realizar fotos e filmes caseiros por meio de conversoes digitais na edicao e o uso de oculos bicolor. A tecnica anagifica, a mesma que a NASA usa para mostrar ao publico as imagens de Marte, por exemplo, nao teve espaco no Brasil ainda. Devemos analisar os motivos que podem estar influenciando e os caminhos para mudar isso.
Jose J. Lunazzi
Constructing a GIS-based 3D urban model using LiDAR and aerial photographs
Due to the increasing availability of high-resolution remotely sensed imagery and detailed terrain surface elevation models, urban planners and municipal managers can now model and visualize the urban space in three dimensions. The traditional approach to the representation of urban space is 2D planimetric maps with building footprints, facilities and road networks. Recently, a number of methods have been developed to represent true 3D urban models. Those include panoramic imaging, Virtual Reality Modeling Language (VRML), and Computer-aided Design (CAD). These methods focus on aesthetic representation, but they do not have sufficient spatial query and analytical capabilities. This research evaluates the conventional approaches to 3D urban models, and identifies their advantages and limitations; GIS functionalities have been combined with 3D urban visualization techniques to develop a GIS-based urban modeling method; The algorithms and techniques have been explored to derive urban objects and their attributes from airborne LiDAR and high-resolution imagery for constructing and visualizing 3D urban models; and 3D urban models for the Texas A&M University (TAMU) campus and downtown Houston have been implemented using the algorithms and techniques developed in this research. By adding close-range camera images and highresolution aerial photographs as the texture of urban objects, effect of photorealism visualization has been achieved for walk-through and fly-through animations. The Texas A&M University campus model and the downtown Houston model have been implemented to offer proof-of-concept, namely, to demonstrate the advantages of the GIS-based approach. These two prototype applications show that the GIS-based 3D urban modeling method, by coupling ArcGIS and MultiGen-Paradigm Site Builder 3D software, can realize the desired functionalities in georeferencing, geographical measurements, spatial query, spatial analysis, and numerical modeling in 3D visual environment.
Lin, Wei-Ming
Thermal via placement in 3D ICs
As thermal problems become more evident, new physical design paradigms and tools are needed to alleviate them. Incorporating thermal vias into integrated circuits (ICs) is a promising way of mitigating thermal issues by lowering the thermal resistance of the chip itself. However, thermal vias take up valuable routing space, and therefore, algorithms are needed to minimize their usage while placing them in areas where they would make the greatest impact. With the developing technology of three-dimensional integrated circuits (3D ICs), thermal problems are expected to be more prominent, and thermal vias can have a larger impact on them than in traditional 2D ICs. In this paper, thermal vias are assigned to specific areas of a 3D IC and used to adjust their effective thermal conductivities. The thermal via placement method makes iterative adjustments to these thermal conductivities in order to achieve a desired maximum temperature objective. Finite element analysis (FEA) is used in formulating the method and in calculating temperatures quickly during each iteration. As a result, the method efficiently achieves its thermal objective while minimizing the thermal via utilization.
Brent Goplen
Streamlining of the RELAP5-3D Code
RELAP5-3D is widely used by the nuclear community to simulate general thermal hydraulic systems and has proven to be so versatile that the spectrum of transient two-phase problems that can be analyzed has increased substantially over time. To accommodate the many new types of problems that are analyzed by RELAP5-3D, both the physics and numerical methods of the code have been continuously improved. In the area of computational methods and mathematical techniques, many upgrades and improvements have been made decrease code run time and increase solution accuracy. These include vectorization, parallelization, use of improved equation solvers for thermal hydraulics and neutron kinetics, and incorporation of improved library utilities. In the area of applied nuclear engineering, expanded capabilities include boron and level tracking models, radiation/conduction enclosure model, feedwater heater and compressor components, fluids and corresponding correlations for modeling Generation IV reactor designs, and coupling to computational fluid dynamics solvers. Ongoing and proposed future developments include improvements to the two-phase pump model, conversion to FORTRAN 90, and coupling to more computer programs. This paper summarizes the general improvements made to RELAP5-3D, with an emphasis on streamlining the code infrastructure for improved maintenance and development. With all these past, present and planned developments, it is necessary to modify the code infrastructure to incorporate modifications in a consistent and maintainable manner. Modifying a complex code such as RELAP5-3D to incorporate new models, upgrade numerics, and optimize existing code becomes more difficult as the code grows larger. The difficulty of this as well as the chance of introducing errors is significantly reduced when the code is structured. To streamline the code into a structured program, a commercial restructuring tool, FOR_STRUCT, was applied to the RELAP5-3D source files. The methodology employed follows Dijkstra's structured programming paradigm, which is based on splitting programs into sub-sections, each with single points of entry and exit and in which control is passed downward through the structure with no unconditional branches to higher levels. GO TO commands are typically avoided, since they alter the flow and control of a program�s execution by allowing a jump from one place in the routine to another. The restructuring of RELAP5-3D subroutines is complicated by several issues. The first is use of code other than standard FORTRAN77. The second is restructuring limitations of FOR_STRUCT. The third is existence of pre-compiler directives and the complication of nested directives. Techniques were developed to overcome all these difficulties and more and these are reported. By implementing these developments, all subroutines of RELAP were restructured. Measures of code improvement relative to maintenance and development are presented.
Mesina, George L; Hykes, Joshua; Guillen, Donna Post
Validation for 2D/3D registration I: A new gold standard data set
Purpose: In this article, the authors propose a new gold standard data set for the validation of two-dimensional/three-dimensional (2D/3D) and 3D/3D image registration algorithms. Methods: A gold standard data set was produced using a fresh cadaver pig head with attached fiducial markers. The authors used several imaging modalities common in diagnostic imaging or radiotherapy, which include 64-slice computed tomography (CT), magnetic resonance imaging using Tl, T2, and proton density sequences, and cone beam CT imaging data. Radiographic data were acquired using kilovoltage and megavoltage imaging techniques. The image information reflects both anatomy and reliable fiducial marker information and improves over existing data sets by the level of anatomical detail, image data quality, and soft-tissue content. The markers on the 3D and 2D image data were segmented using ANALYZE 10.0 (AnalyzeDirect, Inc., Kansas City, KN) and an in-house software. Results: The projection distance errors and the expected target registration errors over all the image data sets were found to be less than 2.71 and 1.88 mm, respectively. Conclusions: The gold standard data set, obtained with state-of-the-art imaging technology, has the potential to improve the validation of 2D/3D and 3D/3D registration algorithms for image guided therapy.
Pawiro, S. A.; Markelj, P.; Pernus, F.; Gendrin, C.; Figl, M.; Weber, C.; Kainberger, F.; Noebauer-Huhmann, I.; Bergmeister, H.; Stock, M.; Georg, D.; Bergmann, H.; Birkfellner, W. [Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, AKH-4L, Waehringer Guertel 18-20, Vienna A-1090 (Austria); Laboratory of Imaging Technologies, Faculty of Electrical Engineering, University of Ljubljana, Trzaska Cesta 25, Ljubljana SI-1000 (Slovenia); Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, AKH-4L, Waehringer Guertel 18-20, Vienna A-1090 (Austria); University Clinic of Radiology, Division of Osteoradiology, Medical University of Vienna, AKH-4L, Waehringer Guertel 18-20, Vienna A-1090 (Austria); Department of Biomedical Research, Medical University Vienna, AKH-4L, Waehringer Guertel 18-20, Vienna A-1090 (Austria); University Clinic of Radiotherapy, Division of Medical Radiation Physics, Medical University of Vienna, Waehringer Guertel 18-20, AKH, Vienna A-1090 (Austria); Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, AKH-4L, Waehringer Guertel 18-20, Vienna A-1090 (Austria)
Offset Printing, Production Services
Printing Printing Our full service print shop provides prepress services, single and multicolor offset printing, and complete bindery. We print Reports Forms Brochures, leaflets and flyers Name tags and meal tickets Newsletters, etc Prepress Electronic files and paper copy prepared for printing. Complete Bindery Apply address labels or tabs to printed material. Machine fold documents and insert into envelopes for mailing. Laminate printed items up to 35" wide. Numbering and perforating. Trimming, drilling, padding and stitching. Special Printing Special reports, full color printing, continuous and carbon forms printed through the U.S. Government Printing Office. Additional Information Printing can be reached on X2953 The supervisor is Rick Backofen who can be reached on X6183
Application Of 3D Inversion To Magnetotelluric Data In The Ogiri Geothermal
Of 3D Inversion To Magnetotelluric Data In The Ogiri Geothermal Of 3D Inversion To Magnetotelluric Data In The Ogiri Geothermal Area, Japan Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: Application Of 3D Inversion To Magnetotelluric Data In The Ogiri Geothermal Area, Japan Details Activities (0) Areas (0) Regions (0) Abstract: A stable inversion technique has been developed for threedimensional (3D) interpretation of magnetotelluric (MT) data. The inversion method is based on the Gauss-Newton (linearized least-squares) method with smoothness regularization. Static shifts are also treated as unknown parameters in the inversion. The forward modeling is done by using the staggered-grid finite difference method. A Bayesian criterion ABIC is applied to searching for the optimum trade-off among the minimization of
Microscopy Technique Could Help Computer Industry ...
Microscopy Technique Could Help Computer Industry Develop 3-D Components. From NIST Tech Beat: June 25, 2013. ...
A new look at 3D seismic interpretation
New ways are being developed to quickly extract and more thoroughly analyze the information contained in the 3D seismic data. These interpretation techniques were used to evaluate a 3D survey at Fortescue field (Gippsland basin, Australia) before starting a 13-well infill drilling program in 1994. Oil was discovered in the top of the LaTrobe (TOL) group at Fortescue field. Following appraisal drilling and platform installation, production started in 1983. To mitigate recent production decline and develop remaining reserves, a 13-well infill drilling program was proposed in 1993. Fortescue field is a west-southwest dipping monocline with oil trapped stratigraphically beneath an erosional unconformity in 13 separate elastic reservoirs. The reservoirs dip approximately 2{degree} more steeply than the overlying erosional truncation surface, causing older sections to progressively subcrop in an easterly direction. The 13 proposed infill wells relied completely or partially on oil being trapped structurally updip from existing completions. To effectively capture these reserves, wells were targeted to intersect reservoirs along the low-angle sand truncation face. The ability to identify and map the top and base reservoir edges along the subcrop surface was critical for well success. The goal of this study was to quickly and accurately identify nine reservoir subcrop edges, determine the remaining reserves updip from existing completions, and identify the geological risk associated with each proposed well.
Vinson, T.E.; Standley, P.; Jager, G.; Kidd, G.
3D metamaterials for the thermal infrared.
Metamaterials form a new class of artificial electromagnetic materials that provides the device designer with the ability to manipulate the flow of electromagnetic energy in ways that are not achievable with naturally occurring materials. However, progress toward practical implementation of metamaterials, particularly at infrared and visible frequencies, has been hampered by a combination of absorptive losses; the narrow band nature of the resonant metamaterial response; and the difficulty in fabricating fully 3-dimensional structures. They describe the progress of a recently initiated program at Sandia National Laboratories directed toward the development of practical 3D metamaterials operating in the thermal infrared. They discuss their analysis of fundamental loss limits for different classes of metamaterials. In addition, they discuss new design approaches that they are pursuing which reduce the reliance on metallic structures in an effort to minimize ohmic losses.
Sinclair, Michael B.; Brener, Igal; Wendt, Joel Robert; Burckel, David Bruce; Ten Eyck, Gregory A.
3D Diagnostic Of Complex Plasma
This paper reports the development of a three-dimensional(3D) dust particle position diagnostic for complex plasmas. A beam produce by Light Emitting Diodes(LEDs) is formed into horizontal sheet, for the illumination of the particles. The light sheet has a vertical colour gradient across its width, from two opposing colours. The light scattered from the particles is imaged with the camera from above. The horizontal coordinates are measured from the positions on the image. The third coordinate is determined from the colour which represents a position on the gradient of the light sheet. The use of LEDs as a light source reduces a variation in Mie scattered intensity from the particles due to the particle size distribution. The variation would induce a large vertical positional error.
Hall, Edward; Samsonov, Dmitry [Department of Electrical Engineering and Electronics, University of Liverpool, L69 3BX (United Kingdom)
Software: VARI3D - Nuclear Engineering Division (Argonne)
OutLoud on Nuclear Energy Argonne Energy Showcase 2012 Software VARI3D (Perturbation Theory Codes) Bookmark and Share Standard Code Description VARI3D is a generalized...
Software: DIF3D-K - Nuclear Engineering Division (Argonne)
Nuclear Energy Argonne Energy Showcase 2012 Software DIF3D-K (Diffusion and Transport Theory Codes) Bookmark and Share Standard Code Description Name of Program: DIF3D-K 1.5: A...
Novel Metamaterial 'Flat Lens' Creates 3D Images in Free ...
Novel Metamaterial 'Flat Lens' Creates 3D Images in Free Space. From NIST Tech Beat: May 28, 2013. ...
3-D Tin-Carbon Fiber Paper Electrodes for Electrochemically ...
About this Abstract. Meeting, Materials Science & Technology 2012. Symposium, Energy Storage: Materials, Systems and Applications. Presentation Title, 3-D�...
3Book: a 3D electronic smart book
This paper describes the 3Book, a 3D interactive visualization of a codex book as a component for various digital library and sensemaking systems. The book is designed to hold large books and to support sensemaking operations by readers. The book includes ... Keywords: 3D UI, 3D books, eBooks, electronic publishing, sensemaking, spreading activation
Stuart K. Card; Lichan Hong; Jock D. Mackinlay; Ed H. Chi
Natural Language Generation Journeys to Interactive 3D Worlds
physical devices must be clearly explained. NLG delivered with speech synthesis will need to be care- fully of interactive 3D worlds: self- explaining 3D environments, habitable 3D learning en- vironments,and interactive3. Kenan Institute for Engineering, Technology and Science and a corporate gift from Novell, Inc
Lester, James C.
3D thermal-aware floorplanner using a MOEA approximation
Two of the major concerns in 3D stacked technology are heat removal and power density distribution. In our work, we propose a novel 3D thermal-aware floorplanner. Our contributions include:1.A novel multi-objective formulation to consider the thermal ... Keywords: 3D architecture, Evolutionary algorithm, Hot spots, Reliability, Temperature, Thermal-aware floorplan, Through silicon vias optimization
David Cuesta; Jos� L. Risco-Martin; Jos� L. Ayala; J. Ignacio Hidalgo
Underwater Localization in Sparse 3D Acoustic Sensor Networks
Underwater Localization in Sparse 3D Acoustic Sensor Networks Wei Cheng1,2, Amin Y. Teymorian the localization problem in sparse 3D underwater sensor networks. Considering the fact that depth information is typically available for underwater sensors, we transform the 3D underwater positioning problem into its two
Cheng, Xiuzhen "Susan"
Automatic image alignment for 3d environment modeling
We describe an approach for automatically registering color images with 3D laser scanned models. We use the chisquare statistic to compare color images to polygonal models texture mapped with acquired laser reflectance values. In complicated scenes we find that the chi-square test is not robust enough to permit an automatic global registration approach. Therefore, we introduce two techniques for obtaining initial pose estimates that correspond to a coarse alignment of the data. The first method is based on rigidly attaching a camera to a laser scanner and the second utilizes object tracking to decouple these imaging devices. The pose estimates serve as an initial guess for our optimization method, which maximizes the chi-square statistic over a local space of transformations in order to automatically determine the proper alignment. 1.
Nathaniel Williams Kok-lim Low
3D deformation field throughout the interior of materials.
This report contains the one-year feasibility study for our three-year LDRD proposal that is aimed to develop an experimental technique to measure the 3D deformation fields inside a material body. In this feasibility study, we first apply Digital Volume Correlation (DVC) algorithm to pre-existing in-situ Xray Computed Tomography (XCT) image sets with pure rigid body translation. The calculated displacement field has very large random errors and low precision that are unacceptable. Then we enhance these tomography images by setting threshold of the intensity of each slice. DVC algorithm is able to obtain accurate deformation fields from these enhanced image sets and the deformation fields are consistent with the global mechanical loading that is applied to the specimen. Through this study, we prove that the internal markers inside the pre-existing tomography images of aluminum alloy can be enhanced and are suitable for DVC to calculate the deformation field throughout the material body.
Jin, Huiqing; Lu, Wei-Yang
Derivation of new 3D discrete ordinate equations
The Sn equations have been the workhorse of deterministic radiation transport calculations for many years. Here we derive two new angular discretizations of the 3D transport equation. The first set of equations, derived using Lagrange interpolation and collocation, retains the classical Sn structure, with the main difference being how the scattering source is calculated. Because of the formal similarity with the classical S n equations, it should be possible to modify existing computer codes to take advantage of the new formulation. In addition, the new S n-like equations correctly capture delta function scattering. The second set of equations, derived using a Galerkin technique, does not retain the classical Sn structure because the streaming term is not diagonal. However, these equations can be cast into a form similar to existing methods developed to reduce ray effects. Numerical investigation of both sets of equations is under way. (authors)
Ahrens, C. D. [Colorado School of Mines, Dept. of Applied Mathematics and Statistics, Program in Nuclear Science and Engineering, Golden, CO 80401-1887 (United States)
Design and development of high precision elastomeric-stamp wrapping system for roll-to-roll multi-layer microcontact printing
Microcontact printing is an emerging printing technique that could potentially find application in the electronics industry. High-speed roll-to-roll equipment was built at Nano Terra, Inc in 2008, for microcontact printing. ...
Datar, Charudatta Achyut
Stack and cell modelling with SOFC3D: a computer program for the 3D simulations of
Stack and cell modelling with SOFC3D: a computer program for the 3D simulations of solid oxide fuel, France 1 Introduction SOFC3D is a computer program, which simulates the behaviour of a solid oxide fuel or the channels, the electrical potential \\Phi at any point of the solid part of the SOFC, and the molar fractions
Herbin, Raphaèle
We present a 3-D hydro + cascade model, in which viscosity and a realistic freezeout process for the hadronic phase are taken into account. We compare our results to experimental data and discuss the final state interaction effects on physical observables. 1. FREEZEOUT PROCESS AND VISCOSITY IN HYDRODYNAMICS Hydrodynamic models have been very successful in describing the collective behavior of matter at RHIC, such as single particle spectra and elliptic flow. In particular the strong elliptic flow which, for the first time, reaches the hydrodynamic limit at RHIC, provides us with a new understanding of the nature of the quark-gluon plasma (QGP) created at RHIC as strongly interacting or correlated QGP [ 1]. However there exist a number of experimental observations that contradict ideal hydrodynamic models: transverse momentum spectra above 2 GeV, elliptic flow at large pseudo-rapdities ? and Hanbury Brown- Twiss (HBT) interferometry. These observations suggest that there exist limitations to the application of a simple ideal hydrodynamic model to RHIC physics and that an improvement on an ideal hydrodynamic model is needed in order to obtain a comprehensive and unified description of the data from the point of view of hydrodynamics. In general, hydrodynamic models require initial conditions, an equations of state (EoS)
Chiho Nonakaa A; Steffen A. Bass
RELAP5-3D Compressor Model
A compressor model has been implemented in the RELAP5-3D� code. The model is similar to that of the existing pump model, and performs the same function on a gas as the pump performs on a single-phase or two-phase fluid. The compressor component consists of an inlet junction and a control volume, and optionally, an outlet junction. This feature permits cascading compressor components in series. The equations describing the physics of the compressor are derived from first principles. These equations are used to obtain the head, the torque, and the energy dissipation. Compressor performance is specified using a map, specific to the design of the machine, in terms of the ratio of outlet-to-inlet total (or stagnation) pressure and adiabatic efficiency as functions of rotational velocity and flow rate. The input quantities are specified in terms of dimensionless variables, which are corrected to stagnation density and stagnation sound speed. A small correction was formulated for the input of efficiency to account for the error introduced by assumption of constant density when integrating the momentum equation. Comparison of the results of steady-state operation of the compressor model to those of the MIT design calculation showed excellent agreement for both pressure ratio and power.
James E. Fisher; Cliff B. Davis; Walter L. Weaver
Printing | Department of Energy
Employee Services » Printing Employee Services » Printing Printing The Printing Team is the liaison between the U.S. Government Printing Office and the Department of Energy. It consists of an expert group of printing specialists who offer a full range of services from assistance in developing your printing requirements to the final printing, distribution and mailing of products. The printed products range from black and white to full color items. These Services are available through the Working Capital Fund. The Printing Office produces a complete range of high-quality printed products comparable to those available from a full-service commercial enterprise. These include: Reports Books Pamphlets and Brochures Public Information Materials Presentation and Promotional Posters Forms and Letterhead
3D building reconstruction from LIDAR data
As a fast data acquisition technique, Light Detection and Ranging (LIDAR) can be widely used in many applications, such as visualization, GIS and mobile communication. Since manual surface reconstruction is very costly and time consuming, the development ...
Yuan Luo; Marina L. Gavrilova
3-D Radiative Transfer Modeling of Structured Winds in Massive Hot Stars with Wind3D
We develop 3-D models of the structured winds of massive hot stars with the Wind3D radiative transfer (RT) code. We investigate the physical properties of large-scale structures observed in the wind of the B-type supergiant HD 64760 with detailed line profile fits to Discrete Absorption Components (DACs) and rotational modulations observed with IUE in Si IV {\\lambda}1395. We develop parameterized input models Wind3D with large-scale equatorial wind density- and velocity-structures, or so-called `Co-rotating Interaction Regions' (CIRs) and `Rotational Modulation Regions' (RMRs). The parameterized models offer important advantages for high-performance RT calculations over ab-initio hydrodynamic input models. The acceleration of the input model calculations permits us to simulate and investigate a wide variety of physical conditions in the extended winds of massive hot stars. The new modeling method is very flexible for constraining the dynamic and geometric wind properties of RMRs in HD 64760. We compute that t...
Lobel, A; Blomme, R
Biomimetic synthesis of zinc oxide 3D architectures with gelatin as matrix
Peanut-like and flower-like zinc oxide 3D architectures were synthesized via a facile biomimetic process using gelatin as matrix. Techniques of XRD, SEM, HRTEM, FT-IR, and UV-vis absorption spectra were used to characterize the structure and property ...
Yong Gan; Fubo Gu; Dongmei Han; Zhihua Wang; Guangsheng Guo
3D gesture recognition: an evaluation of user and system performance
We report a series of empirical studies investigating gesture as an interaction technique in pervasive computing. In our first study, participants generated gestures for given tasks and from these we identified archetypal common gestures. Furthermore, ... Keywords: 3D gesture recognition, gestural interaction
Michael Wright; Chun-Jung Lin; Eamonn O'Neill; Darren Cosker; Peter Johnson
3-D Model for Deactivation & Decommissioning | Department of Energy
3-D Model for Deactivation & Decommissioning 3-D Model for Deactivation & Decommissioning 3-D Model for Deactivation & Decommissioning The design and production of 3-D scale models that replicate the highly contaminated structures within the nuclear facility would provide a significant improvement in visualization of the work space, which would give managers and supervisors a more powerful tool for planning and communicating safety issues and work sequences to personnel executing the physical D&D tasks. 3-D Model for Deactivation & Decommissioning More Documents & Publications D&D Toolbox Robotic Deployment of High Resolution Laser Imaging for Characterization D&D and Risk Assessment Tools 3-D Model for Deactivation & Decommissioning Deactivation & Decommissioning Knowledge Management Information Tool (D&D
3D Arm Motion Tracking for Home-based Rehabilitation
Chapter 13 3D Arm Motion Tracking for Home-based Rehabilitation Y. Tao and H. Hu 13.1 Introduction This paper presents a real-time hybrid solution to articulated 3D arm motion tracking for home-based of articulated objects, e.g., human upper limbs. The purpose is to develop a 3D motion tracking model for home-based
Hu, Huosheng
Developement of 3D Vertically Integrated Pattern Recognition Associative Memory (VIPRAM)
Many next-generation physics experiments will be characterized by the collection of large quantities of data, taken in rapid succession, from which scientists will have to unravel the underlying physical processes. In most cases, large backgrounds will overwhelm the physics signal. Since the quantity of data that can be stored for later analysis is limited, real-time event selection is imperative to retain the interesting events while rejecting the background. Scaling of current technologies is unlikely to satisfy the scientific needs of future projects, so investments in transformational new technologies need to be made. For example, future particle physics experiments looking for rare processes will have to address the demanding challenges of fast pattern recognition in triggering as detector hit density becomes significantly higher due to the high luminosity required to produce the rare processes. In this proposal, we intend to develop hardware-based technology that significantly advances the state-of-the-art for fast pattern recognition within and outside HEP using the 3D vertical integration technology that has emerged recently in industry. The ultimate physics reach of the LHC experiments will crucially depend on the tracking trigger's ability to help discriminate between interesting rare events and the background. Hardware-based pattern recognition for fast triggering on particle tracks has been successfully used in high-energy physics experiments for some time. The CDF Silicon Vertex Trigger (SVT) at the Fermilab Tevatron is an excellent example. The method used there, developed in the 1990's, is based on algorithms that use a massively parallel associative memory architecture to identify patterns efficiently at high speed. However, due to much higher occupancy and event rates at the LHC, and the fact that the LHC detectors have a much larger number of channels in their tracking detectors, there is an enormous challenge in implementing pattern recognition for a track trigger, requiring about three orders of magnitude more associative memory patterns than what was used in the original CDF SVT. Significant improvement in the architecture of associative memory structures is needed to run fast pattern recognition algorithms of this scale. We are proposing the development of 3D integrated circuit technology as a way to implement new associative memory structures for fast pattern recognition applications. Adding a 'third' dimension to the signal processing chain, as compared to the two-dimensional nature of printed circuit boards, Field Programmable Gate Arrays (FPGAs), etc., opens up the possibility for new architectures that could dramatically enhance pattern recognition capability. We are currently performing preliminary design work to demonstrate the feasibility of this approach. In this proposal, we seek to develop the design and perform the ASIC engineering necessary to realize a prototype device. While our focus here is on the Energy Frontier (e.g. the LHC), the approach may have applications in experiments in the Intensity Frontier and the Cosmic Frontier as well as other scientific and medical projects. In fact, the technique that we are proposing is very generic and could have wide applications far beyond track trigger, both within and outside HEP.
Deputch, G.; Hoff, J.; Lipton, R.; Liu, T.; Olsen, J.; Ramberg, E.; Wu, Jin-Yuan; Yarema, R.; /Fermilab; Shochet, M.; Tang, F.; /Chicago U.; Demarteau, M.; /Argonne /INFN, Padova
Evaporative printing of organic materials and metals and development of organic memories
The advantages of directed printing make it the ideal fabrication tool for the ubiquitous electronic technologies of the future. However, direct printing techniques such as ink-jet technology, are currently limited to ...
Kang, Sung Hoon, 1974-
Climate Change Capacity Development (C3D+) | Open Energy Information
C3D+) C3D+) Jump to: navigation, search Logo: Climate Change Capacity Development (C3D+) Name Climate Change Capacity Development (C3D+) Agency/Company /Organization United Nations Institute for Training and Research (UNITAR) Partner Caribbean Climate Change Community Centre (CCCCC), Climate System Analysis Group at UCT Cape Town (CSAG), Environment and Development Action in the Third World (ENDA-TM), University of Cape Town-Energy Research Centre, South Pacific Regional Environment Programme (SPREP), Munasinghe Institute (MIND), Center for International Forestry Research, International Institute for Sustainable Development (IISD), Stockholm Environment Institute Sector Climate Topics Low emission development planning Resource Type Training materials
3D Nanostructured Bicontinuous Electrodes: Path to Ultra-High ...
3D Nanostructured Bicontinuous Electrodes: Path to Ultra-High Power and Energy ... High Energy Density Lithium Capacitors Using Carbon-Carbon Electrodes.
Assessing the RELAPS-3D Heat Conduction Enclosure Model
Three heat conduction problems that have exact solutions are modeled with RELAP5-3D using the conduction enclosure model. These comparisons are designed to be used in the RELAP5-3D development assessment scheduled to be completed in 2009. It is shown that with proper input choices and adequate model detail the exact solutions can be matched. In addition, this analysis identified an error and the required correction in the cylindrical and spherical heat conductor models in RELAP5-3D which will be corrected in a future version of RELAP5-3D.
McCann, Larry D.
From Digital to Physical: Computational Aspects of 3D Manufacturing.
??The desktop publishing revolution of the 1980s is currently repeating itself in 3D, referred to as desktop manufacturing. Online services such as Shapeways have become� (more)
Baecher, Moritz Niklaus
3D Materials Science 2012: Housing and Travel
International Conference on 3D Materials Science 2012. July 8-12, 2012 � Seven Springs Mountain Resort � Seven Springs, Pennsylvania. Download Exhibits�...
3D Materials Science 2014: Housing and Travel - TMS
2nd International Congress on 3D Materials Science 2014. June 29 � July 2, 2014 � Annecy, France. CONGRESS LOCATION. Near Geneva, L'Imp�rial Palace�...
Engines - 3-D Animation Shows Complex Geometry of Diesel Particulates
3-D Animation Shows Complex Geometry of Diesel Particulates Diesel particulate matter has a very complex geometry Most studies have observed these three-dimensional structures in...
3D and 4D Characterization and Evaluation
Aug 8, 2013 ... Here, we present a novel X-ray microscope featuring high detector resolution, which enables 3D imaging of materials with micron-scale�...
Reconstruction of 3D Points From Uncalibrated Underwater Video.
??This thesis presents a 3D reconstruction software pipeline that is capable of generating point cloud data from uncalibrated underwater video. This research project was undertaken� (more)
Cavan, Neil
Vector Graphics for Real-time 3D Rendering.
??Algorithms are presented that enable the use of vector graphics representations of images in texture maps for 3D real time rendering. Vector graphics images are� (more)
Qin, Zheng
000191MLTPL01 NON-NRC FUNDED RELAP5-3D VERSION 4.x.x SOFTWARE REACTOR EXCURSION AND LEAK ANALYSIS PACKAGE - THREE DIMENSIONAL� �
Digital Representation of 3D Microstructures - Programmaster.org
Jul 10, 2012 ... Storage and Sharing of Large 3D Imaging Datasets: Richard Boardman1; Ian Sinclair1; Simon Cox1; Philippa Reed1; Kenji Takeda1; Jeremy�...
Supercapacitive Performance with Nanofibers on 3D-interconnected ...
The hierarchical 1D MnO2 nanofibers are grown by using a facile chemical bath deposition (CBD) method on 3D graphene foam. A synthesis of�...
FMI Borehole Geology, Geomechanics and 3D Reservoir Modeling...
NA, 2002 DOI Not Provided Check for DOI availability: http:crossref.org Online Internet link for FMI Borehole Geology, Geomechanics and 3D Reservoir Modeling Citation...
Text from the http://web3d
... Sandy Ressler, of the Information Access Division, played a key role in ensuring that the Web3D Consortium and ISO Moving Picture Experts Group ...
LOPES 3D reconfiguration and first measurements
The Radio detection technique of high-energy cosmic rays is based on the radio signal emitted by the charged particles in an air shower due to their deflection in the Earth's magnetic field. The LOPES experiment at Karlsruhe Institute of Technology, Germany with its simple dipoles made major contributions to the revival of this technique. LOPES is working in the frequency range from 40 to 80 MHz and was reconfigured several times to improve and further develop the radio detection technique. In the current setup LOPES consists of 10 tripole antennas which measure the complete electric field vector of the radio emission from cosmic rays. LOPES is the first experiment measuring all three vectorial components at once and thereby gaining the full information about the electric field vector and not only a two-dimensional projection. Such a setup including also measurements of the vertical electric field component is expected to increase the sensitivity to inclined showers and help to advance the understanding of th...
Huber, D; Arteaga, J C; B�hren, L; Bekk, K; Bertaina, M; Biermann, P L; Bl�mer, J; Bozdog, H; Brancus, I M; Buchholz, P; Cantoni, E; Chiavassa, A; Daumiller, K; de Souza, V; Di Pierro, F; Doll, P; Engel, R; Falcke, H; Finger, M; Fuchs, B; Fuhrmann, D; Gemmeke, H; Grupen, C; Haungs, A; Heck, D; H�randel, J R; Horneffer, A; Huege, T; Isar, P G; Kampert, K -H; Kang, D; Kr�mer, O; Kuijpers, J; Link, K; Luczak, P; Ludwig, M; Mathes, H J; Melissas, M; Morello, C; Oehlschl�ger, J; Palmieri, N; Pierog, T; Rautenberg, J; Rebel, H; Roth, M; R�hle, C; Saftoiu, A; Schieler, H; Schmidt, A; Schr�der, F G; Sima, O; Toma, G; Trinchero, G C; Weindl, A; Wochele, J; Wommer, M; Zabierowski, J; Zensus, J A
Real-time Process Monitoring and Temperature Mapping of the 3D Polymer Printing Process
An extended range IR camera was used to make temperature measurements of samples as they are being manufactured. The objective is to quantify the temperature variation inside the system as parts are being fabricated, as well as quantify the temperature of a part during fabrication. The IR camera was used to map the temperature within the build volume of the oven and surface temperature measurement of a part as it was being manufactured. The development of the temperature map of the oven provides insight into the global temperature variation within the oven that may lead to understanding variations in the properties of parts as a function of location. The observation of the temperature variation of a part that fails during construction provides insight into how the deposition process itself impacts temperature distribution within a single part leading to failure.
Dinwiddie, Ralph Barton [ORNL; Love, Lonnie J [ORNL; Rowe, John C [ORNL
Three wafer stacking for 3D integration.
Vertical wafer stacking will enable a wide variety of new system architectures by enabling the integration of dissimilar technologies in one small form factor package. With this LDRD, we explored the combination of processes and integration techniques required to achieve stacking of three or more layers. The specific topics that we investigated include design and layout of a reticle set for use as a process development vehicle, through silicon via formation, bonding media, wafer thinning, dielectric deposition for via isolation on the wafer backside, and pad formation.
Greth, K. Douglas; Ford, Christine L.; Lantz, Jeffrey W.; Shinde, Subhash L.; Timon, Robert P.; Bauer, Todd M.; Hetherington, Dale Laird; Sanchez, Carlos Anthony
Creating bio-inspired hierarchical 3D-2D photonic stacks via planar lithography on self-assembled inverse opals
Structural hierarchy and complex 3D architecture are characteristics of biological photonic designs that are challenging to reproduce in synthetic materials. Top-down lithography allows for designer patterning of arbitrary shapes, but is largely restricted to planar 2D structures. Self-assembly techniques facilitate easy fabrication of 3D photonic crystals, but controllable defect-integration is difficult. In this paper we combine the advantages of top-down and bottom-up fabrication, developing two techniques to deposit 2D-lithographically-patterned planar layers on top of or in between inverse-opal 3D photonic crystals and creating hierarchical structures that resemble the architecture of the bright green wing scales of the butterfly, Parides sesostris. These fabrication procedures, combining advantages of both top-down and bottom-up fabrication, may prove useful in the development of omnidirectional coloration elements and 3D-2D photonic crystal devices.
Ian B. Burgess; Joanna Aizenberg; Marko Loncar
Third-space architecture for learning in 3D
Learning can be increasingly untethered to home, work or school spaces by means of integrative cloud services coupled with 3D worlds, and mobile, collaboratively driven use of digital "third space." A 3rd-space, portable and modular design ... Keywords: learning in 3D, model-based reasoning, virtual environments, visual simulation
Andrew G. Stricker; Kimberly-Combs Hardy; Elizabeth S. Stricker; Toni A. Scribner; John A. Cook; Cynthia A. Calongne; Kathryn L. Flitter; Fil J. Arenas
3D Reconstruction from Multiple Images Part 1: Principles
This issue discusses methods to extract three-dimensional (3D) models from plain images. In particular, the 3D information is obtained from images for which the camera parameters are unknown. The principles underlying such uncalibrated structure-from-motion ...
Theo Moons; Luc Van Gool; Maarten Vergauwen
Development of a 3D atmospheric radiative transfer model
The 3D atmospheric radiative transfer model is established based on MODTRAN4. Moreover, the methods of calculating the ratio of atmospheric transmission, path radiation and single scattering solar radiation are presented. This 3D model is running by ... Keywords: MODTRAN4, atmospheric radiative transfer model, infrared radiation
Zhifeng Lu; Ge Li; Gang Guo; Kedi Huang
Skeletal input for user interaction in X3D
Recent developments in depth sensor technology enable developers to use skeletal input in interactive 3D environments with high user fluctuation like museum exhibits. However, the question of how to use natural user input and body movement to control ... Keywords: Kinect, X3D, natural interaction
Manuel Olbrich; Tobias Franke; Jens Keil; Sven Hertling
BeThere: 3D mobile collaboration with spatial input
We present BeThere, a proof-of-concept system designed to explore 3D input for mobile collaborative interactions. With BeThere, we explore 3D gestures and spatial input which allow remote users to perform a variety of virtual interactions ... Keywords: around device interaction, augmented reality, collaboration, depth sensors
Rajinder S. Sodhi; Brett R. Jones; David Forsyth; Brian P. Bailey; Giuliano Maciocci
Evaluating the X3D schema with semantic web tools
X3D has been evolving for nearly 20 years (counting the VRML era). This long period, covering a wide range of uses (Computer-Aided Design, medical, Geographic Information System ...) has led to a lot of possibly inconsistent or even conflicting features. ... Keywords: X3D, XML schema, ontology
Marc Petit; Henry Boccon-Gibod; Christophe Mouton
Using projective invariant properties for efficient 3d reconstruction
3D reconstruction over long sequences has been to the main problem of computer vision. Projective reconstruction is known to be an important process for 3D reconstruction in Euclidean space. In this paper, we present a new projective reconstruction algorithm ...
Bo-Ra Seok; Yong-Ho Hwang; Hyun-Ki Hong
The unreal editor as a Web 3D authoring environment
Epic Games provides a free game level editor with titles based on its Unreal engine. The editor provides a rich set of authoring tools that can be used to create fully interactive environments. This paper describes a tool that converts Unreal levels ... Keywords: 3D, Unreal, VRML, X3D, authoring, game, tool
David Arendash
Efficient Calculations of 3-D FFTs on Spiral Contours
This paper proposes a fast algorithm, called the SpiralFFT, that computes samples of the 3-D discrete Fourier transform of an object of interest along spiral contours in frequency space. This type of sampling geometry is prevalent in 3-D magnetic resonance ... Keywords: Chirp Z-transform, Nonuniform FFT, Spiral MRI
Christopher K. Turnes; Justin Romberg
3D Modelling of Carbon Allotropes Used in Nanotechnology
Graphene, Carbon nanoribbons, Carbon nanotubes and Fullerene (Buckyball) are allotropes of carbon which are widely used in Nanotechnology research due to their remarkable properties. Electrical and mechanical properties of those allotropes vary with ... Keywords: Graphene, Carbon nanoribbons, Carbon nanotubes, Fullerines, 3D modelling, java3D
M. R. M. Mufthas; C. S. Rupasinghe
Power-Aware 3D Computer Graphics Rendering
Real-time 3D Graphics rendering consumes significant power because of its very high computation and memory access rate. Due to variation in workload and perceptual tolerance, power-awareness can optimize this power consumption significantly, thus facilitating ... Keywords: 3D Graphics, low-power, reconfigurable, shading, texture mapping
Jeongseon Euh; Jeevan Chittamuru; Wayne Burleson
Shape-based retrieval and analysis of 3D models
Large repositories of 3D data are rapidly becoming available in several fields, including mechanical CAD, molecular biology, and computer graphics. As the number of 3D models grows, there is an increasing need for computer algorithms to help people find ...
Thomas Funkhouser; Michael Kazhdan
A camcorder for 3D underwater reconstruction of archeological objects
A camcorder for 3D underwater reconstruction of archeological objects A. Meline1 , J. Triboulet1 Cedex 5, France 2 Université de Nîmes, Place Gabriele Péri, 30021 Nîmes, France Abstract- The underwater cartography has made great progress in the last decade. In this paper, we discuss of the 3D underwater
Paris-Sud XI, Université de
Middleware for streaming 3D progressive meshes over lossy networks
Streaming 3D graphics have been widely used in multimedia applications such as online gaming and virtual reality. However, a gap exists between the zero-loss-tolerance of the existing compression schemes and the lossy network transmissions. In this article, ... Keywords: 3D streaming, progressive compression
H. Li; M. Li; B. Prabhakaran
Building information modeling: the Web3D application for AEC
There is currently a dramatic shift in the Architecture, Engineering, and Construction (AEC) industry to embrace Building Information Modeling (BIM) as a tool that can assist in integrating the fragmented industry by eliminating inefficiencies and redundancies, ... Keywords: BIM, IFC, Web3D, X3D, architecture, building information modeling, construction, engineering, visualization
Dace A. Campbell
EIA Energy Efficiency-Table 3d. Value Added by Selected Industries, 1998,
Gasoline and Diesel Fuel Update (EIA)
d d Page Last Modified: May 2010 Table 3d. Value Added1 by Selected Industries, 1998, 2002, and 2006 (Current Brillion Dollars) MECS Survey Years NAICS Subsector and Industry 1998 2002 2006 311 Food Manufacturing 173 205 233 312 Beverage and Tobacco Product Manufacturing 62 67 79 313 Textile Mills 24 19 17 314 Textile Product Mills 13 13 15 315 Apparel Manufacturing 32 21 16 316 Leather and Allied Product Manufacturing 5 3 3 321 Wood Product Manufacturing 34 35 44 322 Paper Manufacturing 73 76 80 323 Printing and Related Support Activities 60 59 60 324 Petroleum and Coal Products Manufacturing 32 37 126 325 Chemical Manufacturing 230 254 340 326 Plastics and Rubber Products Manufacturing 86 92 99 327 Nonmetallic Mineral Product Manufacturing 53 55 72 331 Primary Metal Manufacturing 69 57 84 332 Fabricated Metal Product Manufacturing
CSY3019 -Graphics Programming Assignment 2: Development of 2D/3D graphics software: Java 3D (50%)
CSY3019 - Graphics Programming Assignment 2: Development of 2D/3D graphics software: Java 3D (50, directional, point and spot lighting (to model windows and/or strip lights). · User defined or loaded geometry. Front Sheet & Title Page · Table of contents · Introduction · Analysis · Design · Implementation
Hill, Gary
TEMPEST. Transient 3-D Thermal-Hydraulic
TEMPEST is a transient, three-dimensional, hydrothermal program that is designed to analyze a range of coupled fluid dynamic and heat transfer systems of particular interest to the Fast Breeder Reactor (FBR) thermal-hydraulic design community. The full three-dimensional, time-dependent equations of motion, continuity, and heat transport are solved for either laminar or turbulent fluid flow, including heat diffusion and generation in both solid and liquid materials. The equations governing mass, momentum, and energy conservation for incompressible flows and small density variations (Boussinesq approximation) are solved using finite-difference techniques. Analyses may be conducted in either cylindrical or Cartesian coordinate systems. Turbulence is treated using a two-equation model. Two auxiliary plotting programs, SEQUEL and MANPLOT, for use with TEMPEST output are included. SEQUEL may be operated in batch or interactive mode; it generates data required for vector plots, contour plots of scalar quantities, line plots, grid and boundary plots, and time-history plots. MANPLOT reads the SEQUEL-generated data and creates the hardcopy plots. TEMPEST can be a valuable hydrothermal design analysis tool in areas outside the intended FBR thermal-hydraulic design community.
Eyler, L.L. [Pacific Northwest Lab., Richland, WA (United States)
A High-Throughput 3-D X-ray Microtomography System with Real-Time 3-D
Throughput 3-D X-ray Microtomography System with Real-Time 3-D Throughput 3-D X-ray Microtomography System with Real-Time 3-D Reconstruction A high-throughput x-ray microtomography system (XMS) that can acquire, reconstruct, and interactively display rendered 3-D images of a sample at micrometer-scale resolution within minutes has been developed at Advanced Photon Source (APS) beamline 2-BM, which is managed by the Synchrotron Radiation Instrumentation Collaborative Access Team (SRI-CAT). This system could bring better understanding of an array of scientific and technological problems, ranging from failure in microelectronic devices to structures in biological samples. A rendered image from a three-dimensional tomographic reconstruction of a cricket, obtained with the x-ray microtomography system. The image has been digitally cut at different planes to show the internal structures of the cricket's head.
3-D Inversion Of Borehole-To-Surface Electrical Data Using A
source source History View New Pages Recent Changes All Special Pages Semantic Search/Querying Get Involved Help Apps Datasets Community Login | Sign Up Search Page Edit History Facebook icon Twitter icon » 3-D Inversion Of Borehole-To-Surface Electrical Data Using A Back-Propagation Neural Network Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: 3-D Inversion Of Borehole-To-Surface Electrical Data Using A Back-Propagation Neural Network Details Activities (0) Areas (0) Regions (0) Abstract: The "fluid-flow tomography", an advanced technique for geoelectrical survey based on the conventional mise-a-la-masse measurement, has been developed by Exploration Geophysics Laboratory at the Kyushu University. This technique is proposed to monitor fluid-flow behavior
ALS Scientists Patent Technique To Dramatically Advance Grating...
ALS Scientists Patent Technique To Dramatically Advance Grating-Based Spectroscopy ALS Scientists Patent Technique To Dramatically Advance Grating-Based Spectroscopy Print Tuesday,...
Molecular Predictors of 3D Morphogenesis by Breast Cancer Cell Lines in 3D Culture
Correlative analysis of molecular markers with phenotypic signatures is the simplest model for hypothesis generation. In this paper, a panel of 24 breast cell lines was grown in 3D culture, their morphology was imaged through phase contrast microscopy, and computational methods were developed to segment and represent each colony at multiple dimensions. Subsequently, subpopulations from these morphological responses were identified through consensus clustering to reveal three clusters of round, grape-like, and stellate phenotypes. In some cases, cell lines with particular pathobiological phenotypes clustered together (e.g., ERBB2 amplified cell lines sharing the same morphometric properties as the grape-like phenotype). Next, associations with molecular features were realized through (i) differential analysis within each morphological cluster, and (ii) regression analysis across the entire panel of cell lines. In both cases, the dominant genes that are predictive of the morphological signatures were identified. Specifically, PPAR? has been associated with the invasive stellate morphological phenotype, which corresponds to triple-negative pathobiology. PPAR? has been validated through two supporting biological assays.
Han, Ju; Chang, Hang; Giricz, Orsi; Lee, Genee; Baehner, Frederick; Gray, Joe; Bissell, Mina; Kenny, Paraic; Parvin, Bahram
Communication Techniques, Practices and Strategies of Generation ...
Communication Techniques, Practices and Strategies of Generation �Web n+1� .... prevalence, distribution and (closed) format; d) the argument that a printed�...
A constraint-satisfaction approach for 3D vision/touch-based object recognition
We present a technique for recognizing polyhedral objects by integrating visual and tactile data. The problem is formulated as a constraint-satisfaction problem (CSP) to provide a unified framework for integrating different types of sensory data. To ... Keywords: 3D vision/touch-based object recognition, computational complexity, constraint handling, constraint-satisfaction approach, correspondence uncertainty, data integration, erroneous model object elimination, image recognition, local-consistency enforcing, object recognition, polyhedral objects, scene perceptual structures, tactile data, visual data
Site-specific electronic configurations of Fe 3d states by energy loss by channeled electrons
Site-specific configurations of Fe 3d electrons in a spinel ferrite were investigated by electron energy loss spectroscopy under electron channeling conditions. Site-specific spectra were extracted by applying a multivariate curve resolution (MCR) technique to the data set. An electronic difference in the Fe sites caused by ligand field splitting of trivalent Fe was probed. This demonstrated the promise of site-specific valence and spin state analysis in spintronics applications of spinel ferrites.
Tatsumi, Kazuyoshi; Muto, Shunsuke; Nishida, Ikuo [Department of Materials, Physics, and Energy Engineering, Nagoya University, Chikusa, Nagoya 464-8603 (Japan); Rusz, Jan [Department of Physics and Astronomy, Uppsala University, Box 516, SE-75120 Uppsala (Sweden)
3-D Earth model more accurately pinpoints explosions
3-D Earth model more accurately pinpoints explosions 3-D Earth model more accurately pinpoints explosions 3-D Earth model more accurately pinpoints explosions The purpose of this model is to assist the U.S. Air Force and the international Comprehensive Nuclear Test Ban Treaty Organization with more accurately locating all types of explosions. October 25, 2013 A one-dimensional velocity profile with depth plotted within a three-dimensional Earth. The colors are compressional wave velocity in km/s. The rays are examples coming from a pseudo station at the North Pole. This model is used as the starting point to calculate the full SALSA3D velocity model. A one-dimensional velocity profile with depth plotted within a three-dimensional Earth. The colors are compressional wave velocity in km/s. The rays are examples coming from a pseudo station at the North Pole.
Perceptually-motivated graphics, visualization and 3D displays
This course presents timely, relevant examples on how researchers have leveraged perceptual information for optimization of rendering algorithms, to better guide design and presentation in (3D stereoscopic) display media, and for improved visualization ...
Ann McNamara; Katerina Mania; Marty Banks; Christopher Healey
3D reconstruction of emission and absorption in planetary nebulae
This paper addresses the problem of reconstructing the 3D structure of planetary nebulae from 2D observations. Assuming axial symmetry, our method jointly reconstructs the distribution of dust and ionized gas in the nebulae from observations at two different ...
Andrei Lin?u; Hendrik P. A. Lensch; Marcus Magnor; Sascha El-Abed; Hans-Peter Seidel
Building a database of 3D scenes from user annotations
In this paper, we wish to build a high quality database of images depicting scenes, along with their real-world three-dimensional (3D) coordinates. Such a database is useful for a variety of applications, including training ...
Russell, Bryan C.
Geometric Analysis, Visualization, and Conceptualization of 3D...
(1) Acquire information about the inside of an object, and generate a 3D image data set (2) Define the regions (geometric structures) of interest (3) Create a geometric...
Visualising Memory Graphs: Interactive Debugging using Java3D
that three dimensional visualisation cau be a useful tool for debugging, program analysis, and a viable - 3D Modelling in Java 6 3 Requirements 9 4 Design 10 4.1 Preliminaries 10 4.1.1 Creating
Oxford, University of
The Shapes of a 3D Grain Growth Microstructure
P2-28: Characterization of Pores and Cracks in Underwater Welds by �CT and Digital Optical Microscopy � P3-01: 3D Visualisation of Crystallographic Pitting.
P3-01: 3D Visualisation of Crystallographic Pitting
Investigation of 3-D Heat Transfer Effects in Fenestration Products.
??ABSTRACT INVESTIGATION OF 3-D HEAT TRANSFER EFFECTS IN FENESTRATION PRODUCTS SEPTEMBER 2010 SNEH KUMAR B. TECH., INDIAN INSTITUTE OF TECHNOLOGY, CHENNAI INDIA M.S.M.E., UNIVERSITY OF� (more)
Kumar, Sneh
3D assembly and actuation of nanopatterned membranes using nanomagnets
A new method for aligning and actuating membranes for 3D nano-assembly based on the interactions of nanomagnets has been developed. Arrays of nanopatterned magnetic material are integrated onto thin-film membranes. It is ...
Nichol, Anthony John
3D Radiation Field Estimation Algorithm v1.0
The product is a calculational subprogram to be used within CAD, Laser scan or GIS software products to extrapolate / interpolate gamma radiation dose rates at 3-D locations for which no field survey data had been ...
3D-Simulation Studies of SNS Ring Doublet Magnets
3D-SIMULATION STUDIES OF SNS RING DOUBLET MAGNETS* J.G. Wang # , SNS/ORNL, Oak Ridge, TN 37831-6471, U.S.A. N.the Spallation Neutron Source (SNS) at ORNL employs in its
Wang, J.G.; Tsoupas N.; Venturini, M.
Development and Implementation of 3-D, High-speed Tomography...
operations such as fluid-bed combustors, coal gasifiers, carbon capture processes, and Fischer-Tropsch synthesis. A dedicated 3-D ECVT for imaging fluidized-bed systems will...
3D Graphics for Everyday Communication Takeo Igarashi
the region surrounded by the silhouette, making wide areas fat and narrow areas thin. Teddy, our prototype implemented using standard 3D rendering engines, and the painted models are stored as standard textured
Igarashi, Takeo
Full-3D Waveform Tomography for Southern California | Argonne...
Submitted by mkaczmar on October 3, 2012 - 09:19 Authors: Lee, E., Chenm P., Jordan, T.H., Maechling, P.J., Denolle, M., Beroza, G.C. Our full-3D tomography (F3DT) uses...
Robust and Efficient 3D Recognition by Alignment
Alignment is a prevalent approach for recognizing 3D objects in 2D images. A major problem with current implementations is how to robustly handle errors that propagate from uncertainties in the locations of image ...
Alter, Tao Daniel
Tracking 3-D Rotations with the Quaternion Bingham Filter
A deterministic method for sequential estimation of 3-D rotations is presented. The Bingham distribution is used to represent uncertainty directly on the unit quaternion hypersphere. Quaternions avoid the degeneracies of ...
Glover, Jared
Topobo : a 3-D constructive assembly system with kinetic memory
We introduce Topobo, a 3-D constructive assembly system em- bedded with kinetic memory, the ability to record and playback physical motion. Unique among modeling systems is Topobo's coincident physical input and output ...
Raffle, Hayes Solos, 1974-
The road to 3D EDA tool readiness
Today's SoCs/SIPs face numerous design challenges as increased integration of system components on a single die stretches the limits of technology and design capacity. 3D integration, where multiple dies are stacked and interconnected in the vertical ...
Charles Chiang; Subarna Sinha
Fixed-outline thermal-aware 3D floorplanning
In this paper, we present a novel algorithm for 3D floorplanning with fixed outline constraints and a particular emphasis on thermal awareness. A computationally efficient thermal model that can be used to guide the thermal-aware floorplanning algorithm ...
Linfu Xiao; Subarna Sinha; Jingyu Xu; Evangeline F. Y. Young
Further Analysis of 3D Magnetotelluric Measurements Over the Coso
Further Analysis of 3D Magnetotelluric Measurements Over the Coso Further Analysis of 3D Magnetotelluric Measurements Over the Coso Geothermal Field Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: Further Analysis of 3D Magnetotelluric Measurements Over the Coso Geothermal Field Details Activities (1) Areas (1) Regions (0) Abstract: At last year's GRC annual meeting we presented initial results of a 3D investigation of the Coso Geothermal field utilizing a dense grid of magnetotelluric (MT) stations plus a single line of contiguous bipole array profiling over the east flank of the field (Newman et al., 2005). Motivation for this study is that electrical resistivity/ conductivity mapping can contribute to better improved understanding of enhanced geothermal systems (EGS) by imaging the geometry, bounds and controlling
Software: DIF3D - Nuclear Engineering Division (Argonne)
D D Software: ETOE-2 MC2-2 SDX DIF3D DIF3DK VIM REBUS-3 RCT ORIGEN-RA VARI3D SE2-ANL (SUPERENERGY2) SAS4A/SASSYS-1 SAS-DIF3DK MSET PRODIAG Join us on Facebook Follow us on Twitter NE on Flickr Celebrating the 70th Anniversary of Chicago Pile 1 (CP-1) Argonne OutLoud on Nuclear Energy Argonne Energy Showcase 2012 Software DIF3D (Diffusion and Transport Theory Codes) Bookmark and Share Standard Code Description NAME AND TITLE DIF3D 10.0: Code System Using Variational Nodal Methods and Finite Difference Methods to Solve Neutron Diffusion and Transport Theory Problems. CONTRIBUTOR K. L. Derstine Nuclear Engineering Division Argonne National Laboratory, Argonne, Illinois 60439. CODING LANGUAGE AND COMPUTER Fortran 90 and C source code for Linux PCs, MacOSX and SUN, (C00784MNYCP00).
Brief description of image based 3D face recognition methods
The goal of this paper is to presents Brief Description of literature on Image Based human and machine recognition of faces during 1987 to 2010. Machine recognition of faces has several applications. As one of the most successful applications of image ... Keywords: 3D Face Recognition, 3D Morphable Model, Categorization, Face Detection, Face Recognition from Image Sequences, Independent Component Analysis, Linear Discriminate Analysis, Principal Component Analysis, Video based face recognition, research Issues
Sushma Jaiswal; Sarita Singh Bhadauria; Rakesh Singh Jadon; Tarun Kumar Divakar
Advanced Nanoproducts (ANP), and Inktec were spun ontosilver nanoparticle inks: a) ANP DGP ink diluted in a-b) diluted and filtered ANP DGP, c) ANP Silverjet, d) Inktec
A heightened radiosensitivity of stromal fibroblasts in 3D matrix
heightened radiosensitivity of stromal fibroblasts in 3D matrix heightened radiosensitivity of stromal fibroblasts in 3D matrix X. Liu, K. McHenry & Z. Yuan. Department of Genetics and Complex Diseases, Harvard School of Public Health, Boston, MA 02115 Our recent study suggested that stromal fibroblasts can sensitize cocultured epithelial cells to radiation exposure. Since stromal fibroblasts exhibit highly elongated cytoplasmic extensions (pseudopodia), which as shown in our previous study are essential to guide neighboring epithelial cells to form branching ducts, we asked whether radiation could interfere with the formation of fibroblasts' pseudopodium, which would then impair their ability to structurally and functionally support the associated epithelial cells. For this, HMFs were seeded in 3D and were either mock-treated or irradiated 24 h
Building Energy Software Tools Directory: Look3D
Look3D Look3D Look3D logo. A Windows program that creates three-dimensional, full-color surface plots from columnar data. These surface plots can be rotated and customized. Keywords three-dimensional, full-color surface plots from columnar data, energy-use data Validation/Testing N/A Expertise Required No special expertise required. Users International. Audience Anyone analyzing time series data. Input ASCII space delimited numeric files. Input should have time stamp for maximum usability. Output Visualization on screen. Computer Platform Windows 3.1 or higher. Programming Language Visual C++ (source not available). Strengths Particularly useful for visualizing load profile changes over time. Weaknesses N/A Contact Company: Energy Systems Laboratory Address: Building Energy Analysis Division
ARM - Publications: Science Team Meeting Documents: Application of 3D
Application of 3D Radiative Transfer to Mountains Application of 3D Radiative Transfer to Mountains Chen, Yong UCLA Hall, Alex University of California, Los Angeles Liou, Kuo-Nan UCLA A large part of the land surface is not flat, but vertically structured. In mountain terrain, accurate calculations of the net radiation for slopes of varying gradient and orientation are of considerable importance in determining the energy budget of the surface. In order to evaluate the surface variations of total solar irradiance, it is necessary to calculate the direct, diffuse and terrain-reflected components. A 3D Monte Carlo radiative transfer model has been developed and applied to mountain surfaces to study the diurnal and seasonal changes in surface fluxes by choosing 9 different solar zenith angles, including noon, sunrise+1/2 hour,
A 3-D Link between Antibiotic Resistance and Brain Disease
A 3-D Link between Antibiotic Resistance and Brain Disease A 3-D Link between Antibiotic Resistance and Brain Disease The story of what makes certain types of bacteria resistant to a specific antibiotic has a sub-plot that gives insight into the cause of a rare form of brain degeneration among children, according to investigators at St. Jude Children's Research Hospital. The story takes a twist as key differences among the structures of its main molecular characters disappear and reappear as they are assembled in the cell. The story is based on a study of the three-dimensional (3-D) structure of an enzyme called pantothenate kinase, which triggers the first step in the production coenzyme A (CoA), a molecule that is indispensable to all forms of life. Enzymes are proteins that speed up biochemical reactions. CoA plays a pivotal role in the cells' ability to extract energy from fatty
Beyond 3-D X-ray Imaging: Methodology Development and Applications in
Beyond 3-D X-ray Imaging: Methodology Development and Applications in Beyond 3-D X-ray Imaging: Methodology Development and Applications in Material Science Thursday, September 6, 2012 - 10:45am SLAC, Bldg. 137, Room 226 Yijin Liu Seminar There was a revolutionary development of X-ray imaging over the past few decades. The most substantial advancements in this field are closely related to the availability of the new generation of X-ray sources and the advanced X-ray optics. The advanced X-ray Optics along with novel methodology has made it possible to extract information that is related to different interactions between the X-rays and the specimen at very fine spatial resolution. The energy tunability of the X-rays has made it possible to combine the energy scan with imaging technique. And the brilliance of the X-ray source has made it practical for many sophisticated
Direct printing of lead zirconate titanate thin films
Thus far, use of lead zirconate titanate (PZT) in MEMS has been limited due to the lack of process compatibility with existing MEMS manufacturing techniques. Direct printing of thin films eliminates the need for photolithographic ...
Bathurst, Stephen, 1980-
3D Magnetotelluric characterization of the COSO GeothermalField
DOE Green Energy (OSTI)
Knowledge of the subsurface electrical resistivity/conductivity can contribute to a better understanding of complex hydrothermal systems, typified by Coso geothermal field, through mapping the geometry (bounds and controlling structures) over existing production. Three-dimensional magnetotelluric (MT) inversion is now an emerging technology for characterizing the resistivity structures of complex geothermal systems. The method appears to hold great promise, but histories exploiting truly 3D inversion that demonstrate the advantages that can be gained by acquiring and analyzing MT data in three dimensions are still few in number. This project will address said issue, by applying 3D MT forward modeling and inversion to a MT data set acquired over the Coso geothermal field. The goal of the project is to provide the capability to image large geothermal reservoirs in a single self-consistent model. Initial analysis of the Coso MT data has been carried out using 2D MT imaging technology to construct an initial 3D resistivity model from a series of 2D resistivity images obtained using the inline electric field measurements (Zxy impedance elements) along different measurement transects. This model will be subsequently refined through a 3D inversion process. The initial 3D resistivity model clearly shows the controlling geological structures possibly influencing well production at Coso. The field data however, also show clear three dimensionality below 1 Hz, demonstrating the limitations of 2D resistivity imaging. The 3D MT predicted data arising from this starting model show good correspondence in dominant components of the impedance tensor (Zxy and Zyx) above 1Hz. Below 1 Hz there is significant differences between the field data and the 2D model data.
Newman, Gregory A.; Hoversten, Michael; Gasperikova, Erika; Wannamaker, Philip E.
Simulation of rock fracture with the 3-D SHALE code
The 3-D SHALE code simulates the propagation of stress waves and the occurrence of fracture in brittle solids. The physical models and numerical methods in this code are similar to those used in 2-D SHALE. We describe the 3-D code and present sample calculations for blasting in oil shale with a single isolated charge, an infinite array of charges, and an isolated pair of charges. These calculations illustrate the use of the code to simulate dynamic phenomena in complex geometric configurations. Some useful code improvements and possible applications are discussed. 8 references, 7 figures.
Nichols, B.D.; Adams, T.F.
3D Object Digitization: Majority Interpolation and Marching Cubes
In a previous paper we showed that a 3D object can be digitized without changing the topology if the object is r-regular and if the reconstruction method fulfills certain requirements. In this paper we give two important examples for such reconstruction methods. First, we introduce Majority Interpolation, an algorithm to interpolate sampling points at doubled resolution such that topological ambiguities are resolved. Second, we show how the well-known Marching Cubes algorithm has to be modified such that it is topology preserving. This is the first approach of digitizing 3D objects which guarantees topology preservation for voxel-based or polygonal surface-based reconstructions. 1
Peer Stelldinger
STELLOPT Modeling of the 3D Diagnostic Response in ITER
The ITER three dimensional diagnostic response to an n=3 resonant magnetic perturbation is modeled using the STELLOPT code. The in-vessel coils apply a resonant magnetic perturbation (RMP) fi eld which generates a 4 cm edge displacement from axisymmetry as modeled by the VMEC 3D equilibrium code. Forward modeling of flux loop and magnetic probe response with the DIAGNO code indicates up to 20 % changes in measured plasma signals. Simulated LIDAR measurements of electron temperature indicate 2 cm shifts on the low field side of the plasma. This suggests that the ITER diagnostic will be able to diagnose the 3D structure of the equilibria.
Lazerson, Samuel A
Full waveform inversion of a 3-D source inside an artificial rock
of a 3-D Source Inside an Artificial Rock Albert C. To andof a 3-D source inside an artificial rock plate inof a 3-D source inside an artificial rock plate is
To, A C; Glaser, Steven D
P1-03: 3D Microstructural Architectures for Metal and Alloy ...
P2-03: 3D Characterization of High Burn-up MOX Fuel � P2-04: 3D Identification of Inclusions in NiTi Alloy after Electropolishing � P2-05: Advances in 3D Imaging �...
A New Filtering Strategy for Noise Reduction on High Noise 3D Data ...
P3-17: Modeling 3D Grain Coarsening Based on Tomography Data
The Influence of Microstructure on 3D Crack Morphologies in a New ...
3D hybrid simulation code using curvilinear coordinates
A new simulation code using the hybrid approximation for modeling extraterrestrial plasma processes is described, which can be used in an arbitrary three-dimensional, ordered, hexahedral grid. Maxwell's equations are transformed using common tensor analysis ... Keywords: 3D, curvilinear, hybrid, plasma, simulation
T. Bagdonat; U. Motschmann
Unencumbered 3D interaction with see-through displays
Augmented Reality (AR) systems that employ user-worn display and sensor technology can be problematic for certain applications as the technology might, for instance, be encumbering to the user or limit the deployment options of the system. Spatial AR ... Keywords: 3D, augmented reality, gesture, interaction, interface, mixed reality, pose, public display, see-through, spatial display, touch
Alex Olwal
Prototypes for automated architectural 3D-layout
Prototypes for automated spatial layout in architecture focus on approaches, which define occupiable space as an orthogonal 2D-grid and use algorithms to allocate each rectangle of the grid to a particular function. However, these approaches are limiting ... Keywords: 3D-modeling and automated spatial layout, euclidean and non-euclidean geometries, satisfiability
Henriette Bier; Adriaan De Jong; Niels Brouwers; Marijn Heule; Hans Van Maaren / Gijs Van Der Hoorn
3D atmospheric modeling based on MODTRAN4
All the factors of atmospheric environment that influence the transmission of infrared radiation were analyzed in detail in the paper. Taking horizontally varying atmospheric property into consideration, a 3D model of atmospheric transmission of infrared ... Keywords: MODTRAN4, infrared radiation, model, path radiation, ratio of atmospheric transmission, simulation, single scatter solar radiation
Ge Li; Zhifeng Lu; Gang Guo; Kedi Huang
Photo tourism: exploring photo collections in 3D
We present a system for interactively browsing and exploring large unstructured collections of photographs of a scene using a novel 3D interface. Our system consists of an image-based modeling front end that automatically computes the viewpoint of each ... Keywords: image-based modeling, image-based rendering, photo browsing, structure from motion
Noah Snavely; Steven M. Seitz; Richard Szeliski
3D Hydro + Cascade model at RHIC and LHC
Using the 3D Hydro + UrQMD model which can explain hot and bulk QCD matter created at RHIC successfully, we show a prediction of one particle distributions and flow at LHC. Besides, we discuss the QCD critical point search in heavy ion collisions from point of view of quantitative analyses.
Nonaka, Chiho [Department of Physics, Nagoya University, Nagoya 464-8602 (Japan)
Designing stories: practices of narrative in 3D computer games
Drawing on theories from game-, film-, and theatre studies, this paper explores two primary ways in which 3D computer games deal with stories. As evident in how these games are creatively designed and publically discussed, one of these approaches focuses ... Keywords: film, game design, immersion, media comparison, narratology, presentation, representation, storytelling, theatre
Teun Dubbelman
Illuminating clay: a 3-D tangible interface for landscape analysis
This paper describes a novel system for the real-time computational analysis of landscape models. Users of the system - called Illuminating Clay - alter the topography of a clay landscape model while the changing geometry is captured in real-time by ... Keywords: 3D laser scanner, DEM, GIS, landscape design, physical models, tangible user interface
Ben Piper; Carlo Ratti; Hiroshi Ishii
A geoscience perspective on immersive 3D gridded data visualization
We describe visualization software, Visualizer, that was developed specifically for interactive, visual exploration in immersive virtual reality (VR) environments. Visualizer uses carefully optimized algorithms and data structures to support the high ... Keywords: 3D data visualization, Immersive visualization, Interactive exploration, Virtual reality
Magali I. Billen; Oliver Kreylos; Bernd Hamann; Margarete A. Jadamec; Louise H. Kellogg; Oliver Staadt; Dawn Y. Sumner
Addressing thermal and power delivery bottlenecks in 3D circuits
The enhanced packing densities facilitated by 3D integrated circuit technology also has an unwanted side-effect, in the form of increasing the amount of current per unit footprint of the chip, as compared to a 2D design. This has ramifications on two ...
Sachin S. Sapatnekar
The wise cursor: assisted selection in 3D serious games
In recent years, the evolution of 3D graphics hardware and software has lead to a growing interest for serious games in three-dimensional virtual environments for learning, training, and rehabilitation. Many of these games are based on a first-person-shooter ... Keywords: Accessible user interfaces, Interactive selection, Navigation in virtual environments, Serious games
Sergio Moya; Sergi Grau; Dani Tost
Development of Multi-modal 3D Characterization Systems to ...
P1-04: 3D Microstructural Characterization of Uranium Oxide as a Surrogate Nuclear ... P1-15: Gating System Optimisation Design Study of a Cast Automobile ... P2-27: Characterization of Carbonate Rocks through X-ray Microtomography.
3D Characterization of Microstructural Evolution in Anisotropic ...
Stereoscopic architecture of 3-D ready DLP-based HDTVs
DLP� Technology has existed for over twenty years with a wide range of products currently in production. The legacy of DLP technology includes innovations such as single-chip color displays and SmoothPicture� technology. Recent technological ... Keywords: 3-D, DLP, HDTV, stereoscopic
Keith Elliott; David Hutchison
Underwater 3D Mapping: Experiences and Lessons learned
This paper provides details on the development of a tool to aid in 3D coral reef mapping designed to be operated by a single diver and later integrated into an autonomous robot. We discuss issues that influence the deployment and development of underwater ...
Andrew Hogue; Andrew German; James Zacher; Michael Jenkin
Generalized holomorphic Szeg� kernel in 3D spheroids
Monogenic orthogonal polynomials over 3D prolate spheroids were previously introduced and shown to have some remarkable properties. In particular, the underlying functions take values in the quaternions (identified with R^4), and are generally assumed ... Keywords: Chebyshev polynomials, Ferrer's associated Legendre functions, Hyperbolic functions, Prolate spheroidal monogenics, Quaternion analysis, Szeg� kernel function
J. Morais; K. I. Kou; W. Spr��Ig
Camera and projector arrays for immersive 3D video
Applying recent advances in multi-imager capture and multi-projector display, we combine capabilities through the Nizza multimedia dataflow architecture to deliver low-cost wide-VGA-quality low-latency autostereoscopic 3D display of live video on a single ... Keywords: autostereo immersive display, multi-viewpoint capture, multi-viewpoint display
Harlyn Baker; Zeyu Li
Drilling into Complex 3D Models with Gimlenses Cyprien Pindat
-Neira et al. 1992]. For instance, Boeing's 777 air- liner was entirely modeled using CAD software into complex 3D models with gimlenses. In Proceedings of the 19th ACM Symposium on Virtual Reality Software and Technology (VRST '13). ACM. 223-230. c ACM, 2013. This is the author's version of the work. It is posted here
Recanati, Catherine
3Book: A Scalable 3D Virtual Book
This paper describes the 3Book, a 3D interactive visualization of a codex book as a component for digital library and information-intensive applications. The 3Book is able to represent books of almost unlimited length, allows users to read large format books, and has features to enhance reading and sensemaking.
Stuart K. Card; Lichan Hong; Jock D. Mackinlay; Ed H. Chi; H. Chi
3Book: A 3D Electronic Smart Book
This paper describes the 3Book, a 3D interactive visualization of a codex book as a component for various digital library and sensemaking systems. The book is designed to hold large books and to support sensemaking operations by readers. The book includes methods in which the automatic semantic analysis of the book's content is used to dynamically tailor access.
Performance Analysis of Leading HPC Architectures With Beambeam3D
High energy colliders are essential to study the inner structure of nuclear and elementary particles. A parallel particle simulation code, BeamBeam3D, has been developed and actively used to model the beam dynamics and to optimize the performance of ... Keywords: HPC application, accelerator modeling, performance optimization, performance tuning
Hongzhang Shan; Erich Strohmaier; Ji Qiang
Reinforced concrete perforation and penetration simulation using AUTODYN-3D
3D hydrocode simulation on the perforation and penetration of reinforced concrete target has been performed. The simulation aims to examine the influence of the following constitutive models for concrete on a projectile's residual velocity: (1) constant-yield ... Keywords: Constitutive model, Hydrocode, Perforation, Projectile, Reinforced concrete
C. Y. Tham
Editing the topology of 3D models by sketching
We present a method for modifying the topology of a 3D model with user control. The heart of our method is a guided topology editing algorithm. Given a source model and a user-provided target shape, the algorithm modifies the source so that the ... Keywords: skeleton, sketching, topology repair
Tao Ju; Qian-Yi Zhou; Shi-Min Hu
Using X3D for medical training simulations
Nowadays medical training simulators play an important role in education and further training of surgeons. With Virtual Reality based training systems it is possible to simulate a surgery under realistic conditions. Input data for the visualization of ... Keywords: GPU raycasting, X3D, haptics, medical training simulators, volume rendering
Yvonne Jung; Ruth Recker; Manuel Olbrich; Ulrich Bockholt
Interactive painterly stylization of images, videos and 3D animations
We introduce a real-time system that converts images, video, or 3D animation sequences to artistic renderings in various painterly styles. The algorithm, which is entirely executed on the GPU, can efficiently process 512 resolution frames containing ... Keywords: GPU processing, non-photorealistic rendering, painterly rendering, particle systems, video processing
Jingwan Lu; Pedro V. Sander; Adam Finkelstein
Auto-tuning 3-D FFT library for CUDA GPUs
Existing implementations of FFTs on GPUs are optimized for specific transform sizes like powers of two, and exhibit unstable and peaky performance i.e., do not perform as well in other sizes that appear in practice. Our new auto-tuning 3-D FFT on CUDA ...
Akira Nukada; Satoshi Matsuoka
Programmable rendering of line drawing from 3D scenes
This article introduces a programmable approach to nonphotorealistic line drawings from 3D models, inspired by programmable shaders in traditional rendering. This approach relies on the assumption generally made in NPR that style attributes (color, thickness, ... Keywords: Line drawing, nonphotorealistic rendering (NPR), style
St�phane Grabli; Emmanuel Turquin; Fr�do Durand; Fran�ois X. Sillion
Zigbee-based Internet of Things in 3D Terrains
This paper focuses on the Zigbee-based Internet of Things (IoTs) in 3D terrains. A novel simulation model for IoT is proposed. The effects of various terrains, node's mobility and traffic loads are investigated in this study. Many comprehensive studies ...
Mu-Sheng Lin, Jenq-Shiou Leu, Kuen-Han Li, Jean-Lien C. Wu
3D porosity prediction from seismic inversion and neural networks
In this work, we address the problem of transforming seismic reflection data into an intrinsic rock property model. Specifically, we present an application of a methodology that allows interpreters to obtain effective porosity 3D maps from post-stack ... Keywords: Feed-forward neural network, Matlab, Reservoir characterization, Seismic inversion
Emilson Pereira Leite; Alexandre Campane Vidal
Extracting and depicting the 3D shape of specular surfaces
Many materials including water, plastic and metal have specular surface characteristics. Specular reflections have commonly been considered a nuisance for the recovery of object shape. However, the way that reflections are distorted across the surface ... Keywords: 3D shape perception, model of cortical form processing, non-photorealistic rendering
Ulrich Weidenbacher; Pierre Bayerl; Roland Fleming; Heiko Neumann
FEM based 3D tumor growth prediction for kidney tumor
It is important to predict the tumor growth so that appropriate treatment can be planned especially in the early stage. In this paper, we propose a finite element method (FEM) based 3D tumor growth prediction system using longitudinal kidney tumor images. ... Keywords: finite element method, kidney tumor, segmentation, tumor growth prediction
Xinjian Chen; Ronald Summers; Jianhua Yao
3D Imaging of Evaporating Fuel Droplets by Stereoscopic PIV
A gun-type burner is a widely used oil burner for industrial and domestic applications. The oil is pressure-atomized and mixed with air generating a recirculating, swirling flow. Because of the surrounding flame, fuel droplets evaporate, being difficult ... Keywords: 3D PIV, Stereoscopic PIV, droplet dynamics, spray combustion
V. Palero; Y. Ikeda
Adding a True 3-D Display to a Raster Graphics System
This Experimental 3-D Graphics System Can Be Added to Standard Raster Graphics Systems at Modest Expense. It Promises Much Broader Access to Effective 3-D Display.
H. Fuchs; S. M. Pizer; Li Ching Tsai; S. H. Bloomberg; E. R. Heinz
Development of a 3D GIS database model for geotechnical analysis incorporating geostatistics.
??The application of 3D GIS and geostatistical tools in geotechnical fields enables geotechnical engineers to think spatially and make decision wisely. To support the 3D� (more)
Gao, Shan.
Bridge to Fuel Cell Molecular Catalysis: 3D Non-Platinum Group Metal
Bridge to Fuel Cell Molecular Catalysis: 3D Non-Platinum Group Metal Bridge to Fuel Cell Molecular Catalysis: 3D Non-Platinum Group Metal Catalyst in MEAs Title Bridge to Fuel Cell Molecular Catalysis: 3D Non-Platinum Group Metal Catalyst in MEAs Publication Type Journal Article Year of Publication 2012 Authors Zhu, Xiaobing, John B. Kerr, Qinggang He, Gi Suk Hwang, Zulima Martin, Kyle Clark, Adam Z. Weber, and Nana Zhao Journal ECS Transactions Volume 45 Issue 2 Pagination 143 - 152 Date Published 04/2012 ISSN 1938-6737 Abstract Transition metal porphyrin complexes have been mounted in a three dimensional homogenous distribution inside the ionomer of catalyst layers in MEAs to achieve competitive fuel cell catalysis activity. The effect of electrode components including ionomer, carbon, catalyst, and mediator, and ionomer film thickness, is investigated in fuel cell molecular catalysis system. Membrane electrode assembly (MEA) durability testing has been conducted. SEM and TEM techniques are employed to investigate molecular catalysis electrode micro- and nano- structure and morphology. To date, surprisingly, the best fuel cell performance, i.e. 1280 mA/cm2 of maximum/short-circuit current density is achieved, approaching that of Pt-based electrode, indicating higher turnover frequencies than Pt although with poorer voltages.
Parallel 3-D S{sub N} performance for DANTSYS/MPI on the Cray T3D
A data parallel version of the 3-D transport solver in DANTSYS has been in use on the SIMD CM-200`s at LANL since 1994. This version typically obtains grind times of 150--200 nanoseconds on a 2,048 PE CM-200. The authors have now implemented a new message passing parallel version of DANTSYS, referred to as DANTSYS/MPI, on the 512 PE Cray T3D at Los Alamos. By taking advantage of the SPMD architecture of the Cray T3D, as well as its low latency communications network, they have managed to achieve grind times of less than 10 nanoseconds on real problems. DANTSYS/MPI is fully accelerated using DSA on both the inner and outer iterations. This paper describes the implementation of DANTSYS/MPI on the Cray T3D, and presents two simple performance models for the transport sweep which accurately predict the grind time as a function of the number of PE`s and problem size, or scalability.
Baker, R.S.; Alcouffe, R.E. [Los Alamos National Lab., NM (United States). Transport Methods Group
Novel SOFC Processing Techniques Employing Printed Materials
About this Abstract. Meeting, Materials Science & Technology 2011. Symposium, Energy Conversion/Fuel Cells. Presentation Title, Novel SOFC Processing�...
Development of Advanced Nanomanufacturing: 3D Integration and High Speed Directed Self-assembly
Development of nanoscience and nanotechnology requires rapid and robust nanomanufacturing processes to produce nanoscale materials, structures and devices. The dissertation aims to contribute to two major challenging and attractive topics in nanomanufacturing. Firstly, this research develops fabrication techniques for three dimensional (3D) structures and integrates them into functional devices and systems. Secondly, a novel process is proposed and studied for rapid and efficient manipulation of nanomaterials using a directed self-assembly process. The study begins with the development of nanoimprint lithography for nanopatterning and fabrication of 3D multilayer polymeric structures in the micro- and nano-scale, by optimizing the layer-transfer and transfer-bonding techniques. These techniques allow the integration of microfluidic and photonic systems in a single chip for achieving ultracompact lab-on-a-chip concept. To exemplify the integration capability, a monolithic fluorescence detection system is proposed and the approaches to design and fabricate the components, such as a tunable optical filter and optical antennas are addressed. The nanoimprint lithography can also be employed to prepare nanopatterned polymer structures as a template to guide the self-assembly process of nanomaterials, such as single-walled carbon nanotubes (SWNTs). By introducing the surface functionalization, electric field and ultrasonic agitation into the process, we develop a rapid and robust approach for effective placement and alignment of SWNTs. These nanomanufacturing processes are successfully developed and will provide a pathway to the full realization of the lab-on-a-chip concept and significantly contribute to the applications of nanomaterials.
Li, Huifeng
Architectural Advancements in RELAP5-3D
As both the computer industry and field of nuclear science and engineering move forward, there is a need to improve the computing tools used in the nuclear industry to keep pace with these changes. By increasing the capability of the codes, the growing modeling needs of nuclear plant analysis will be met and advantage can be taken of more powerful computer languages and architecture. In the past eighteen months, improvements have been made to RELAP5-3D [1] for these reasons. These architectural advances include code restructuring, conversion to Fortran 90, high performance computing upgrades, and rewriting of the RELAP5 Graphical User Interface (RGUI) [2] and XMGR5 [3] in Java. These architectural changes will extend the lifetime of RELAP5-3D, reduce the costs for development and maintenance, and improve it speed and reliability.
Dr. George L. Mesina
Solar Particle Acceleration at Reconnecting 3D Null Points
Context: The strong electric fields associated with magnetic reconnection in solar flares are a plausible mechanism to accelerate populations of high energy, non-thermal particles. One such reconnection scenario occurs at a 3D magnetic null point, where global plasma flows give rise to strong currents in the spine axis or fan plane. Aims: To understand the mechanism of charged particle energy gain in both the external drift region and the diffusion region associated with 3D magnetic reconnection. In doing so we evaluate the efficiency of resistive spine and fan models for particle acceleration, and find possible observables for each. Method: We use a full orbit test particle approach to study proton trajectories within electromagnetic fields that are exact solutions to the steady and incompressible magnetohydrodynamic equations. We study single particle trajectories and find energy spectra from many particle simulations. The scaling properties of the accelerated particles with respect to field and plasma para...
Stanier, Adam J; Dalla, Silvia
Automatic generation of bas-reliefs from 3D shapes
generated by our method and their profiles (middle images). A bas-relief of the Stanford Armadillo model on a bended cylinder (most-right image). In this paper, we introduce and study a new problem of converting a given 3D shape (or a 2.5D range data) into a bas-relief. The problem can be considered as a geometry counterpart of the HDR image compression problem widely studied in computer graphics. In our approach to the shape bas-reliefing problem, we combine the concepts of mesh saliency, shape exaggerating, and discrete differential coordinates. The final bas-relief has a small width, preserves salient features of the original 3D shape, and, therefore, can be used for shape decorating purposes. 1
Wenhao Song; Alexander Belyaev; Hans-peter Seidel
3D Mt Resistivity Imaging For Geothermal Resource Assessment And
Resistivity Imaging For Geothermal Resource Assessment And Resistivity Imaging For Geothermal Resource Assessment And Environmental Mitigation At The Glass Mountain Kgra, California Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: 3D Mt Resistivity Imaging For Geothermal Resource Assessment And Environmental Mitigation At The Glass Mountain Kgra, California Details Activities (3) Areas (2) Regions (0) Abstract: MT and TDEM surveys acquired in 2005 were integrated with existing MT and TDEM data recovered from obsolete formats to characterize the geometry of the geothermal reservoir. An interpretation based on the correlation of the 3D MT resistivity with well properties indicated that most of the previous exploration wells had been tarted close to but not in the center of areas tha appeared most likely to be permeable. Such
3D MAGNETOTELLURIC CHARACTERIZATION OF THE COSO GEOTHERMAL FIELD | Open
CHARACTERIZATION OF THE COSO GEOTHERMAL FIELD CHARACTERIZATION OF THE COSO GEOTHERMAL FIELD Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Proceedings: 3D Magnetotelluric characterization of the COSO Geothermal Field Details Activities (0) Areas (0) Regions (0) Abstract: Knowledge of the subsurface electrical resistivity/conductivity can contribute to a better understanding of complex hydrothermal systems, typified by Coso geothermal field, through mapping the geometry (bounds and controlling structures) over existing production. Three-dimensional magnetotelluric (MT) inversion is now an emerging technology for characterizing the resistivity structures of complex geothermal systems. The method appears to hold great promise, but histories exploiting truly 3D inversion that demonstrate the advantages that can be gained by acquiring
3-d lattice SU(3) free energy to four loops
We report on the perturbative computation of the 3d lattice Yang-Mills free energy to four loops by means of Numerical Stochastic Perturbation Theory. The known first and second orders have been correctly reproduced; the third and fourth order coefficients are new results and the known logarithmic IR divergence in the fourth order has been correctly identified. Progress is being made in switching to the gluon mass IR regularization and the related inclusion of the Faddeev-Popov determinant.
F. Di Renzo; A. Mantovi; V. Miccio; Y. Schroder; C. Torrero
Electric field in 3D gravity with torsion
It is shown that in static and spherically symmetric configurations of the system of Maxwell field coupled to 3D gravity with torsion, at least one of the Maxwell field components has to vanish. Restricting our attention to the electric sector of the theory, we find an interesting exact solution, corresponding to the azimuthal electric field. Its geometric structure is to a large extent influenced by the values of two different central charges, associated to the asymptotic AdS structure of spacetime.
M. Blagojevi?; B. Cvetkovi?
Particle trajectories and acceleration during 3D fan reconnection
Context. The primary energy release in solar flares is almost certainly due to magnetic reconnection, making this a strong candidate as a mechanism for particle acceleration. While particle acceleration in 2D geometries has been widely studied, investigations in 3D are a recent development. Two main classes of reconnection regimes at a 3D magnetic null point have been identified: fan and spine reconnection Aims. Here we investigate particle trajectories and acceleration during reconnection at a 3D null point, using a test particle numerical code, and compare the efficiency of the fan and spine regimes in generating an energetic particle population. Methods. We calculated the time evolution of the energy spectra. We discuss the geometry of particle escape from the two configurations and characterise the trapped and escaped populations. Results. We find that fan reconnection is less efficent than spine reconnection in providing seed particles to the region of strong electric field where acceleration is possible. The establishment of a steady-state spectrum requires approximately double the time in fan reconnection. The steady-state energy spectrum at intermediate energies (protons 1 keV to 0.1 MeV) is comparable in the fan and spine regimes. While in spine reconnection particle escape takes place in two symmetric jets along the spine, in fan reconnection no jets are produced and particles escape in the fan plane, in a ribbon-like structure.
S. Dalla; P. K. Browning
Development of an embedded 3D graphics processor
Limitations in processing ability cause major graphical enhancements, such as support for real-time 3D graphics, to be next to impossible within embedded devices. Due to the size, power, and heat dissipation requirements, modern graphics hardware is usually restricted to systems on the scale of personal computers or larger. For this thesis, we have defined a 3D graphics co-processor that is targeted to work on a more embedded scale. The system is specified by limiting it to fixed-point light processing and rasterization. A set of object primitives and instructions are defined to adequately describe almost any scene. These primitives are used to design the algorithms and architecture behind a set of modular functional units. The units are used to realize the processor requirements and features, which include light processing, z-buffering, texturing, and transparency. In order to ensure that the system architecture is versatile in its design, the functional units are analyzed for performance, reconfigurability, and possible trade-offs. A set of both synchronous and asynchronous architectures are proposed using the functional unit blocks. Through cycle accurate comparative simulation, we analyzed the effectiveness of each architecture and found that a hybrid architecture provides the best hardware to speed trade-off between the architectures considered. An appropriate system interface and parallel configuration are also discussed. The end result of the thesis provides a road map for anyone designing a general purpose or application optimized embedded 3D co-processor.
Murray, Brian
The capture and dissemination of integrated 3D geospatial knowledge at the British Geological Survey using GSI3D software and methodology
The Geological Surveying and Investigation in 3 Dimensions (GSI3D) software tool and methodology has been developed over the last 15 years. Since 2001 this has been in cooperation with the British Geological Survey (BGS). To-date over a hundred BGS geologists ... Keywords: 3D geological modelling, 3D visualisation, Geoscience education, Knowledge capture, Systematic geological surveying
Holger Kessler; Steve Mathers; Hans-Georg Sobisch
Center for Energy Efficiency and Renewable Energy at University of Massachusetts 3D Model of Heat Transfer and Fluid3D Model of Heat Transfer and Fluid
Center for Energy Efficiency and Renewable Energy at University of Massachusetts 3D Model of Heat for Energy Efficiency and Renewable Energy at University of Massachusetts 3D Model of Heat Transfer and Fluid WindowModeling a 3D Window Future WorkFuture Work #12;Center for Energy Efficiency and Renewable Energy
Massachusetts at Amherst, University of
Mining subsidence prediction based on 3D stratigraphic model and visualization
3D phenomenon involved in mining subsidence was Classified, summarized and aggregated, established the hierarchical structure that describing the geologic phenomena and engineering phenomena of stratum structure. Proposed a 3D stratigraphic model that ... Keywords: 3D stratigraphic model, 3D visualization, DEMs-TEN model, mining subsidence prediction
Ruisheng Jia; Yanjun Peng; Hongmei Sun
Mobile, hardware-accelerated urban 3D maps in 3G networks
3D maps can visualize static and dynamic features of real environments, and act as 3D gateways to location-based information. Insufficient network speed has been a major bottleneck for dynamic download of 3D content for mobile devices. 3G network technologies ... Keywords: 3D maps, VRML, mobile computing, wireless networks
Antti Nurminen
Applied Science/Techniques
Applied Science/Techniques Print Applied Science/Techniques Print The ALS is an excellent incubator of new scientific techniques and instrumentation. Many of the technical advances that make the ALS a world-class soft x-ray facility are developed at the ALS itself. The optical components in use at the ALS-mirrors and lenses optimized for x-ray wavelengths-require incredibly high-precision surfaces and patterns (often formed through extreme ultraviolet lithography at the ALS) and must undergo rigorous calibration and testing provided by beamlines and equipment from the ALS's Optical Metrology Lab and Berkeley Lab's Center for X-Ray Optics. New and/or continuously improved experimental techniques are also a crucial element of a thriving scientific facility. At the ALS, examples of such "technique" highlights include developments in lensless imaging, soft x-ray tomography, high-throughput protein analysis, and high-power coherent terahertz radiation.
Modulated 3D cross-correlation light scattering: improving turbid sample characterization
Accurate characterization using static light scattering (SLS) and dynamic light scattering (DLS) methods mandates the measurement and analysis of singly-scattered light. In turbid samples, the suppression of multiple scattering is therefore required to obtain meaningful results. One powerful technique for achieving this, known as 3D cross-correlation, uses two simultaneous light scattering experiments performed at the same scattering vector on the same sample volume in order to extract only the single scattering information common to both. Here we present a significant improvement to this method in which the two scattering experiments are temporally separated by modulating the incident laser beams and gating the detector outputs at frequencies exceeding the timescale of the system dynamics. This robust modulation scheme eliminates cross-talk between the two beam- detector pairs and leads to a four-fold improvement in the cross-correlation intercept. We measure the dynamic and angular-dependent scattering intensity of turbid colloidal suspensions and exploit the improved signal quality of the modulated 3D cross-correlation DLS and SLS techniques.
Ian Block; Frank Scheffold
Uncertainty Analysis of RELAP5-3D
As world-wide energy consumption continues to increase, so does the demand for the use of alternative energy sources, such as Nuclear Energy. Nuclear Power Plants currently supply over 370 gigawatts of electricity, and more than 60 new nuclear reactors have been commissioned by 15 different countries. The primary concern for Nuclear Power Plant operation and lisencing has been safety. The safety of the operation of Nuclear Power Plants is no simple matter- it involves the training of operators, design of the reactor, as well as equipment and design upgrades throughout the lifetime of the reactor, etc. To safely design, operate, and understand nuclear power plants, industry and government alike have relied upon the use of best-estimate simulation codes, which allow for an accurate model of any given plant to be created with well-defined margins of safety. The most widely used of these best-estimate simulation codes in the Nuclear Power industry is RELAP5-3D. Our project focused on improving the modeling capabilities of RELAP5-3D by developing uncertainty estimates for its calculations. This work involved analyzing high, medium, and low ranked phenomena from an INL PIRT on a small break Loss-Of-Coolant Accident as wall as an analysis of a large break Loss-Of- Coolant Accident. Statistical analyses were performed using correlation coefficients. To perform the studies, computer programs were written that modify a template RELAP5 input deck to produce one deck for each combination of key input parameters. Python scripting enabled the running of the generated input files with RELAP5-3D on INL�s massively parallel cluster system. Data from the studies was collected and analyzed with SAS. A summary of the results of our studies are presented.
Alexandra E Gertman; Dr. George L Mesina
3D ultrasound imaging for prosthesis fabrication and diagnostic imaging
The fabrication of a prosthetic socket for a below-the-knee amputee requires knowledge of the underlying bone structure in order to provide pressure relief for sensitive areas and support for load bearing areas. The goal is to enable the residual limb to bear pressure with greater ease and utility. Conventional methods of prosthesis fabrication are based on limited knowledge about the patient`s underlying bone structure. A 3D ultrasound imaging system was developed at Sandia National Laboratories. The imaging system provides information about the location of the bones in the residual limb along with the shape of the skin surface. Computer assisted design (CAD) software can use this data to design prosthetic sockets for amputees. Ultrasound was selected as the imaging modality. A computer model was developed to analyze the effect of the various scanning parameters and to assist in the design of the overall system. The 3D ultrasound imaging system combines off-the-shelf technology for image capturing, custom hardware, and control and image processing software to generate two types of image data -- volumetric and planar. Both volumetric and planar images reveal definition of skin and bone geometry with planar images providing details on muscle fascial planes, muscle/fat interfaces, and blood vessel definition. The 3D ultrasound imaging system was tested on 9 unilateral below-the- knee amputees. Image data was acquired from both the sound limb and the residual limb. The imaging system was operated in both volumetric and planar formats. An x-ray CT (Computed Tomography) scan was performed on each amputee for comparison. Results of the test indicate beneficial use of ultrasound to generate databases for fabrication of prostheses at a lower cost and with better initial fit as compared to manually fabricated prostheses.
Morimoto, A.K.; Bow, W.J.; Strong, D.S. [and others
3-D hydrodynamic models are used by the Savannah River National Laboratory (SRNL) to simulate the transport of thermal and radionuclide discharges in coastal estuary systems. Development of such models requires accurate bathymetry, coastline, and boundary condition data in conjunction with the ability to rapidly discretize model domains and interpolate the required geospatial data onto the domain. To facilitate rapid and accurate hydrodynamic model development, SRNL has developed a pre- and post-processor application in a geospatial framework to automate the creation of models using existing data. This automated capability allows development of very detailed models to maximize exploitation of available surface water radionuclide sample data and thermal imagery.
Bollinger, J; Alfred Garrett, A; Larry Koffman, L; David Hayes, D
3D Hall MHD Modeling of Solar Wind Plasma Spectra
We present fully self consistent 3D simulations of compressible Hall MHD plasma that describe spectral features relevant to the solar wind plasma. We find that a $k^{-7/3}$ spectrum sets in for the fluctuations that are smaller than ion gyro radius. We further investigate scale dependent anisotropy led by nonlinear processes relevant to the solar wind plasma. Our work is important particularly in understanding the role of wave and nonlinear cascades in the evolution of the solar wind, structure formation at the largest scales.
Shaikh, Dastgeer
A non-conforming 3D spherical harmonic transport solver
A new 3D transport solver for the time-independent Boltzmann transport equation has been developed. This solver is based on the second-order even-parity form of the transport equation. The angular discretization is performed through the expansion of the angular neutron flux in spherical harmonics (PN method). The novelty of this solver is the use of non-conforming finite elements for the spatial discretization. Such elements lead to a discontinuous flux approximation. This interface continuity requirement relaxation property is shared with mixed-dual formulations such as the ones based on Raviart-Thomas finite elements. Encouraging numerical results are presented. (authors)
Van Criekingen, S. [Commissariat a l'Energie Atomique CEA-Saclay, DEN/DM2S/SERMA/LENR Bat 470, 91191 Gif-sur-Yvette, Cedex (France)
Convergence of Ginzburg-Landau functionals in 3-d superconductivity
In this paper we consider the asymptotic behavior of the Ginzburg- Landau model for superconductivity in 3-d, in various energy regimes. We rigorously derive, through an analysis via {\\Gamma}-convergence, a reduced model for the vortex density, and we deduce a curvature equation for the vortex lines. In a companion paper, we describe further applications to superconductivity and superfluidity, such as general expressions for the first critical magnetic field H_{c1}, and the critical angular velocity of rotating Bose-Einstein condensates.
Sisto Baldo; Robert L. Jerrard; Giandomenico Orlandi; Mete Soner
3D Simulation of Missing Pellet Surface Defects in Light Water Reactor Fuel Rods
The cladding on light water reactor (LWR) fuel rods provides a stable enclosure for fuel pellets and serves as a first barrier against fission product release. Consequently, it is important to design fuel to prevent cladding failure due to mechanical interactions with fuel pellets. Cladding stresses can be effectively limited by controlling power increase rates. However, it has been shown that local geometric irregularities caused by manufacturing defects known as missing pellet surfaces (MPS) in fuel pellets can lead to elevated cladding stresses that are sufficiently high to cause cladding failure. Accurate modeling of these defects can help prevent these types of failures. Nuclear fuel performance codes commonly use a 1.5D (axisymmetric, axially-stacked, one-dimensional radial) or 2D axisymmetric representation of the fuel rod. To study the effects of MPS defects, results from 1.5D or 2D fuel performance analyses are typically mapped to thermo-mechanical models that consist of a 2D plane-strain slice or a full 3D representation of the geometry of the pellet and clad in the region of the defect. The BISON fuel performance code developed at Idaho National Laboratory employs either a 2D axisymmetric or 3D representation of the full fuel rod. This allows for a computational model of the full fuel rod to include local defects. A 3D thermo-mechanical model is used to simulate the global fuel rod behavior, and includes effects on the thermal and mechanical behavior of the fuel due to accumulation of fission products, fission gas production and release, and the effects of fission gas accumulation on thermal conductivity across the fuel-clad gap. Local defects can be modeled simply by including them in the 3D fuel rod model, without the need for mapping between two separate models. This allows for the complete set of physics used in a fuel performance analysis to be included naturally in the computational representation of the local defect, and for the effects of the local defect to be coupled with the global fuel rod model. This approach for modeling fuel with MPS defects is demonstrated and compared with alternative techniques. The effects of varying parameters of the MPS defect are studied using this technique and presented here.
B.W. Spencer; J.D. Hales; S.R. Novascone; R.L. Williamson
Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel
3-D Animation Shows 3-D Animation Shows Complex Geometry of Diesel Particulates to someone by E-mail Share Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on Facebook Tweet about Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on Twitter Bookmark Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on Google Bookmark Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on Delicious Rank Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on Digg Find More places to share Vehicle Technologies Office: 3-D Animation Shows Complex Geometry of Diesel Particulates on AddThis.com... 3-D Animation Shows Complex Geometry of Diesel Particulates
ASIC for High Rate 3D Position Sensitive Detectors
We report on the development of an application specific integrated circuit (ASIC) for 3D position sensitive detectors (3D PSD). The ASIC is designed to operate with pixelated wide bandgap sensors like Cadmium-Zinc-Telluride (CZT), Mercuric Iodide (Hgl2) and Thallium Bromide (TIBr). It measures the amplitudes and timings associated with an ionizing event on 128 anodes, the anode grid, and the cathode. Each channel provides low-noise charge amplification, high-order shaping with peaking time adjustable from 250 ns to 12 {micro}s, gain adjustable to 20 mV/fC or 120 mV/fC (for a dynamic range of 3.2 MeV and 530 keV in CZT), amplitude discrimination with 5-bit trimming, and positive and negative peak and timing detections. The readout can be full or sparse, based on a flag and single- or multi-cycle token passing. All channels, triggered channels only, or triggered with neighbors can be read out thus increasing the rate capability of the system to more than 10 kcps. The ASIC dissipates 330 mW which corresponds to about 2.5 mW per channel.
Vernon, E.; De Geronimo, G.; Ackley, K.; Fried, J.; He, Z.; Herman, C.; Zhang, F.
Flying Triangulation - towards the 3D movie camera
Flying Triangulation sensors enable a free-hand and motion-robust 3D data acquisition of complex shaped objects. The measurement principle is based on a multi-line light-sectioning approach and uses sophisticated algorithms for real-time registration (S. Ettl et al., Appl. Opt. 51 (2012) 281-289). As "single-shot principle", light sectioning enables the option to get surface data from one single camera exposure. But there is a drawback: A pixel-dense measurement is not possible because of fundamental information-theoretical reasons. By "pixel-dense" we understand that each pixel displays individually measured distance information, neither interpolated from its neighbour pixels nor using lateral context information. Hence, for monomodal single-shot principles, the 3D data generated from one 2D raw image display a significantly lower space-bandwidth than the camera permits. This is the price one must pay for motion robustness. Currently, our sensors project about 10 lines (each with 1000 pixels), reaching an co...
Willomitzer, Florian; Faber, Christian; H�usler, Gerd
3-D seismic acquisition gains momentum in transition zone
The hydrocarbon-rich Gulf of Mexico continues to be an active seismic data acquisition arena, with seismic crews working at a rapid-fire pace to acquire 3-D databases on a regional scale. Lately, however, many contractors are looking shoreward to what will be the next active site for data acquisition and exploratory drilling--the coastal transition zone, which extends roughly five miles either side of the coastline. Diverse terrain causes acquisition efforts to shift frequently between land, water and marsh. Each environment carries its own unique acquisition requirements, which means a wide variety of equipment must be constantly available. Need for multiple permits from multiple sources lends itself to a formidable permitting maze, and environmental problems are prevailing in this sensitive wetlands area. With this in mind, Fairfield and Seismic Exchange, Inc., have teamed in a joint venture to produce the world`s largest non-exclusive 3-D seismic transition zone program. The project will build on Fairfield`s massive shallow water effort, which is nearly complete.
Lawrence, M.A. [Fairfield Industries Inc., Houston, TX (United States)
Accuracy of volume measurement using 3D ultrasound and development of CT-3D US image fusion algorithm for prostate cancer radiotherapy
Purpose: To evaluate the accuracy of measuring volumes using three-dimensional ultrasound (3D US), and to verify the feasibility of the replacement of CT-MR fusion images with CT-3D US in radiotherapy treatment planning. Methods: Phantoms, consisting of water, contrast agent, and agarose, were manufactured. The volume was measured using 3D US, CT, and MR devices. A CT-3D US and MR-3D US image fusion software was developed using the Insight Toolkit library in order to acquire three-dimensional fusion images. The quality of the image fusion was evaluated using metric value and fusion images. Results: Volume measurement, using 3D US, shows a 2.8 {+-} 1.5% error, 4.4 {+-} 3.0% error for CT, and 3.1 {+-} 2.0% error for MR. The results imply that volume measurement using the 3D US devices has a similar accuracy level to that of CT and MR. Three-dimensional image fusion of CT-3D US and MR-3D US was successfully performed using phantom images. Moreover, MR-3D US image fusion was performed using human bladder images. Conclusions: 3D US could be used in the volume measurement of human bladders and prostates. CT-3D US image fusion could be used in monitoring the target position in each fraction of external beam radiation therapy. Moreover, the feasibility of replacing the CT-MR image fusion to the CT-3D US in radiotherapy treatment planning was verified.
Baek, Jihye; Huh, Jangyoung; Hyun An, So; Oh, Yoonjin [Department of Medical Sciences, Ewha Womans University, Seoul 158-710 (Korea, Republic of); Kim, Myungsoo; Kim, DongYoung; Chung, Kwangzoo; Cho, Sungho; Lee, Rena [Department of Radiation Oncology, School of Medicine, Ewha Womans University, Seoul 158-710 (Korea, Republic of)
Formation Testing Techniques | Open Energy Information
Formation Testing Techniques Formation Testing Techniques Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Exploration Technique: Formation Testing Techniques Details Activities (0) Areas (0) Regions (0) NEPA(0) Exploration Technique Information Exploration Group: Downhole Techniques Exploration Sub Group: Formation Testing Techniques Parent Exploration Technique: Downhole Techniques Information Provided by Technique Lithology: Stratigraphic/Structural: Hydrological: Thermal: Dictionary.png Formation Testing Techniques: No definition has been provided for this term. Add a Definition References No exploration activities found. Print PDF Retrieved from "http://en.openei.org/w/index.php?title=Formation_Testing_Techniques&oldid=601973" Categories: Downhole Techniques Exploration Techniques
The British Journal of Radiology, 80 (2007), 362�366 Patient dose from 3D rotational neurovascular studies 1
ABSTRACT. The use of image-guided interventional radiological techniques is increasing in prevalence and complexity. Imaging system developments have helped improve the information available to interventionalists to plan and guide procedures. Information on doses to patients resulting from alternative imaging techniques or protocols is useful for both the process of justifying particular procedures and in optimizing the resultant exposures. Such information is not always available, especially for new or developing imaging techniques. We have undertaken a study of doses to patients associated with two alternative imaging methods for pre-intervention assessment of intracranial aneurysms. In the first technique the aneurysm is assessed from a series of digital subtraction angiography (DSA) runs taken at different imaging projections. The second technique involved acquiring images from one single image run while the imaging system rotated 180 ? around the patient�s head. In this technique, the aneurysm was then evaluated from a 3D reconstruction of the projection images. Effective doses were calculated using a computer model to simulate the exposure geometry and parameters. The mean dose from the DSA protocol used at our centre was 3.4 mSv and from the 3D rotational angiography (RA) technique was 0.20 mSv.
R R Bridcut; E Murphy; A Workman; R J Winder
Silver Ink for Conductor Printing
Many applications require the ability to print conductors on devices that cannot tolerate high temperatures. Current methods for making printable ...
Organic vapor jet printing system
DOE Patents (OSTI)
An organic vapor jet printing system includes a pump for increasing the pressure of an organic flux.
Forrest, Stephen R
3D Magnetotelluric Characterization Of The Geothermal Anomaly In The
Magnetotelluric Characterization Of The Geothermal Anomaly In The Magnetotelluric Characterization Of The Geothermal Anomaly In The Llucmajor Aquifer System (Majorca, Spain) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: 3D Magnetotelluric Characterization Of The Geothermal Anomaly In The Llucmajor Aquifer System (Majorca, Spain) Details Activities (0) Areas (0) Regions (0) Abstract: In the Llucmajor aquifer system (Majorca Island, Spain) some geothermal evidences have appeared. This phenomenon is not isolated to Majorca and it is present in other areas, where it can be associated with structural conditions, especially to the extensional event suffered by the island after the Alpine Orogeny. However, the origin of this anomaly in Llucmajor is not well known, and there is no surface geological evidence of
The accumulator ring of the Spallation Neutron Source (SNS) at ORNL employs in its straight sections closely packed quadrupole doublemagnets with large aperture of R=15.1 cm an relatively short iron-to-iron distance of 51.4 cm. These quads have much extended fringe field, and magnetic interferences among them in the doublet assemblies is not avoidable. Though each magnet in the assemblies has been individually mapped to high accuracy of lower than 0.01 percent level, the experimental data including the magnetic interference effect will not be available. We have performed 3D computing simulations on a quadrupole doublet model in order to assess the degree of the interference and to obtain relevant data for the SNS commissioning and operation.
Fast 3D Surface Extraction 2 pages (including abstract)
Ocean scientists searching for isosurfaces and/or thresholds of interest in high resolution 3D datasets required a tedious and time-consuming interactive exploration experience. PISTON research and development activities are enabling ocean scientists to rapidly and interactively explore isosurfaces and thresholds in their large data sets using a simple slider with real time calculation and visualization of these features. Ocean Scientists can now visualize more features in less time, helping them gain a better understanding of the high resolution data sets they work with on a daily basis. Isosurface timings (512{sup 3} grid): VTK 7.7 s, Parallel VTK (48-core) 1.3 s, PISTON OpenMP (48-core) 0.2 s, PISTON CUDA (Quadro 6000) 0.1 s.
Sewell, Christopher Meyer [Los Alamos National Laboratory; Patchett, John M. [Los Alamos National Laboratory; Ahrens, James P. [Los Alamos National Laboratory
Einstein gravity as a 3D conformally invariant theory
We give an alternative description of the physical content of general relativity that does not require a Lorentz invariant spacetime. Instead, we find that gravity admits a dual description in terms of a theory where local size is irrelevant. The dual theory is invariant under foliation preserving 3-diffeomorphisms and 3D conformal transformations that preserve the 3-volume (for the spatially compact case). Locally, this symmetry is identical to that of Horava-Lifshitz gravity in the high energy limit but our theory is equivalent to Einstein gravity. Specifically, we find that the solutions of general relativity, in a gauge where the spatial hypersurfaces have constant mean extrinsic curvature, can be mapped to solutions of a particular gauge fixing of the dual theory. Moreover, this duality is not accidental. We provide a general geometric picture for our procedure that allows us to trade foliation invariance for conformal invariance. The dual theory provides a new proposal for the theory space of quantum gravity.
Henrique Gomes; Sean Gryb; Tim Koslowski
Exploration 3-D Seismic Field Test/Native Tribes Initiative
To determine current acquisition procedures and costs and to further the goals of the President's Initiative for Native Tribes, a seismic-survey project is to be conducted on Osage tribal lands. The goals of the program are to demonstrate the capabilities, costs, and effectiveness of 3-D seismic work in a small-operator setting and to determine the economics of such a survey. For these purposes, typical small-scale independent-operator practices are being followed and a shallow target chose in an area with a high concentration of independent operators. The results will be analyzed in detail to determine if there are improvements and/or innovations which can be easily introduced in field-acquisition procedures, in processing, or in data manipulation and interpretation to further reduce operating costs and to make the system still more active to the small-scale operator.
Carroll, Herbert B.; Chen, K.C.; Guo, Genliang; Johnson, W.I.; Reeves,T.K.; Sharma,Bijon
Automating the determination of 3D protein structure
The creation of an automated method for determining 3D protein structure would be invaluable to the field of biology and presents an interesting challenge to computer science. Unfortunately, given the current level of protein knowledge, a completely automated solution method is not yet feasible, therefore, our group has decided to integrate existing databases and theories to create a software system that assists X-ray crystallographers in specifying a particular protein structure. By breaking the problem of determining overall protein structure into small subproblems, we hope to come closer to solving a novel structure by solving each component. By generating necessary information for structure determination, this method provides the first step toward designing a program to determine protein conformation automatically.
Rayl, K.D.
3-D Simulations of Ergospheric Disk Driven Poynting Jets
This Letter reports on 3-dimensional simulations of Kerr black hole magnetospheres that obey the general relativistic equations of perfect magnetohydrodynamics (MHD). In particular, we study powerful Poynting flux dominated jets that are driven from dense gas in the equatorial plane in the ergosphere. The physics of which has been previously studied in the simplified limit of an ergopsheric disk. For high spin black holes, $a/M > 0.95$, the ergospheric disk is prominent in the 3-D simulations and is responsible for greatly enhanced Poynting flux emission. Any large scale poloidal magnetic flux that is trapped in the equatorial region leads to an enormous release of electromagnetic energy that dwarfs the jet energy produced by magnetic flux threading the event horizon. The implication is that magnetic flux threading the equatorial plane of the ergosphere is a likely prerequisite for the central engine of powerful FRII quasars.
Brian Punsly
3-D Seismic Methods For Geothermal Reservoir Exploration And
Methods For Geothermal Reservoir Exploration And Methods For Geothermal Reservoir Exploration And Assessment-Summary Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Report: 3-D Seismic Methods For Geothermal Reservoir Exploration And Assessment-Summary Details Activities (5) Areas (1) Regions (0) Abstract: A wide variety of seismic methods covering the spectrum from DC to kilohertz have been employed at one time or the other in geothermal environments. The reasons have varied from exploration for a heat source to attempting to find individual fractures producing hot fluids. For the purposes here we will assume that overall objective of seismic imaging is for siting wells for successful location of permeable pathways (often fracture permeability) that are controlling flow and transport in naturally
3D Magnetotelluic characterization of the Coso Geothermal Field | Open
Magnetotelluic characterization of the Coso Geothermal Field Magnetotelluic characterization of the Coso Geothermal Field Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: 3D Magnetotelluic characterization of the Coso Geothermal Field Details Activities (1) Areas (1) Regions (0) Abstract: Electrical resistivity may contribute to progress in understanding geothermal systems by imaging the geometry, bounds and controlling structures in existing production, and thereby perhaps suggesting new areas for field expansion. To these ends, a dense grid of magnetotelluric (MT) stations plus a single line of contiguous bipole array profiling has been acquired over the east flank of the Coso geothermal system. Acquiring good quality MT data in producing geothermal systems is a challenge due to production related electromagnetic (EM) noise and, in the
RELAP5-3D Architectural Developments in 2004
Currently, RELAP5 is undergoing a transformation that will replace much of its coding with equivalent structured Fortran 90 coding. Four efforts are underway to modernize the code architecture of RELAP5-3D. These are parallelization, vectorization, code restructuring, and conversion to Fortran 90. The first two improve code run speed via on computer platforms of certain architectures. These code modifications have little effect on normal code performance on non-vector and non-parallel computers because they are mostly done with compiler directives. The third and fourth efforts involve considerable rewriting of the source code. The third code improvement effort addresses code readability and maintainability. These are being greatly enhanced by application of a Fortran code-restructuring tool. The fourth effort is conversion to Fortran 90. The bulk of the coding is being rewritten in Fortran 90. This is a ground up reworking of the coding that begins with completely reorganizing the underlying database and continues with the source code. It will reach every part of RELAP5-3D. Each of these efforts is discussed in detail in a different section. Section 1 relates background information. Section 2 covers the parallelization effort. Section 3 covers the efforts to vectorize the code. Section 4 covers the code restructuring. Section 5 covers the Fortran 90 effort. Outline Background: longevity, maintenance & development, reliability, speed Parallelization: KAI to OpenMP, previous work & current, domain decomposition, done. Vectorization: Speed - Fed init, vectors in PCs, INL Cray SV1, R5 Phant, EXV, results. Code Restructuring: Reason to restructure, study of restruct, For Study: what it does, Fortran 90: Modernization -
Design and fabrication of a modular multi-material 3D printer
This thesis presents 3DP-0, a modular, multi-material 3D printer. Currently, 3D printers available on the market are typically expensive and difficult to develop. In addition, the simultaneous use of multiple materials in ...
Lan, Justin (Justin T.)
Wildfire forecasting using an open source 3D multilayer geographical framework
This abstract describes the development of a wildfire forecasting plugin using Capaware. Capaware is designed as an easy to use open source framework to develop 3D graphics applications over large geographic areas offering high performance 3D visualization ...
Modesto Castrill�n; Pedro A. Jorge; Adri�n Mac�as; Antonio J. S�nchez; Javier S�nchez; Jos� P. Su�rez; Agust�n Trujillo; Izzat Sabbagh; Ignacio J. L�pez; Rafael J. Nebot
Efficient 3D building model generation from 2D floor plans
3D building models are beneficial to architects, interior designers, and ordinary people in visualizing indoor space in three dimensions. 3D building models appear to be more aesthetic to ordinary people than architectural ...
Kashlev, Dmitry
Design and analysis of a concrete modular housing system constructed with 3D panels
An innovative modular house system design utilizing an alternative concrete residential building system called 3D panels is presented along with an overview of 3D panels as well as relevant methods and markets. The proposed ...
Sarcia, Sam Rhea, 1982-
Plenary lecture 2: local surface approximation for edge structure preserving 3-D image denoising
In various applications, including magnetic resonance imaging (MRI) and functional MRI (fMRI), 3-D images get increasingly popular. To improve reliability of subsequent image analyses, 3-D image denoising is often a necessary pre-processing step, which ...
Peihua Qiu
Wafer-scale 3D integration of silicon-on-insulator RF amplifiers
RF amplifiers are demonstrated using a three- dimensional (3D) wafer-scale integration technology based on silicon-on-insulator (SOI) CMOS process. This new 3D implementation reduces the amplifier size and shortens ...
Keast, Craig L.
Programmers Manual for the PVM Coupling Interface in RELAP5-3D
This report describes the implementation of the PVM API in the RELAP5-3D� computer code. The information in the report is intended for programmers wanting to correct or extend RELAP5-3D�.
Walter L Weaver III
Statistical methods for 2D-3D registration of optical and LIDAR images
Fusion of 3D laser radar (LIDAR) imagery and aerial optical imagery is an efficient method for constructing 3D virtual reality models. One difficult aspect of creating such models is registering the optical image with the ...
Mastin, Dana Andrew
Second Printing November 1990
Electronic VersionAbout WMRC's Electronic Publications: This document was originally published in a traditional format. It has been transferred to an electronic format to allow faster and broader access to important information and data. While the Center makes every effort to maintain a level of quality during the transfer from print to digital format, it is possible that minor formatting and typographical inconsistencies will still exist in this document. Additionally, due to the constraints of the electronic format chosen, page numbering will vary slightly from the original document. The original, printed version of this document may still be available. Please contact WMRC for more information: WMRC
David Thomas; Lon Carlson; Walt Mikucki; Rachel Baker; John Warren; Doug Maxelner; Eliliott Zimmermann; Claudia Washburn; David Thomas; Lon Carlson; Walt Mikucki; Rachel Baker; John Warren; Doug Maxeiner; Elliott Zimmermann; Claudia Washburn; James R. Thompson
3D TiO2 Nanoarchitecture Fabricated by Pulsed Chemical Vapor ...
Approaching Multimaterial 3D Nanostructured Gas Phase Nanoxerographic Printers � Carbon Nanotube Coatings Laser Power and Energy Measurements.
Kinetics Control towards ZnO 3D Nanostructure - Programmaster.org
Design, fabrication, and characterization of a low-cost flexural bearing based 3D printing tool head
This thesis discusses the design, characterization and optimization of a low-cost additive rapid-prototyping tool head for a technology known as Fused Filament Fabrication for use in an educational curriculum. Building a ...
Ramirez, Aaron Eduardo
Microstructure-Property Relationships in 3D - Programmaster.org
Jul 10, 2012 ... Techniques aiding examination of microstructure for a production heat-treatable aluminum alloy, such as use of the conical slit cell, will also be�...
Characterizing Energy Materials in 3-D Using STEM Tomography
... for various acquisition geometries, and the power of the technique demonstrated with applications to energy storage materials and Fischer-Tropsch catalysts.
Review: 3D geo-database research: Retrospective and future directions
3D geo-database research is a promising field to support challenging applications such as 3D urban planning, environmental monitoring, infrastructure management, and early warning or disaster management and response. In these fields, interdisciplinary ... Keywords: 3D GIS, Geo-data modelling, Geo-database, Information systems for geo- and environmental sciences
Martin Breunig; Sisi Zlatanova
The process approach to synthesizing and analyzing of 3D representations of complex technical objects
3D-representations of complex technical objects are the basis of today's industry. The proposed technology solves tasks of increasing the accuracy and comprehension of the 3D-representations, and decreasing the time needed to synthesize ones. It bases ... Keywords: 3D-models, fuzzy sets, linguistic variables, process estimation
A. F. Pokhilko; L. E. Kamalov
3D-Orientation space; filters and sampling Frank G. A. Faas, Lucas J. van Vliet
3D-Orientation space; filters and sampling Frank G. A. Faas, Lucas J. van Vliet Pattern Recognition, The Netherlands {faas,firstname.lastname@example.com Keywords: 3D-orientation space, 3D-orientation selective filters The orientation space transform is a concept that can deal with multiple oriented structures at a sin- gle
van Vliet, Lucas J.
Stochastic Modelling and 3D Minimum Variance RecursiveEstimation of Image Sequences
In this paper the 3D minimum variance filtering problem is considered. The proposed spatiotemporal filter is derived according to the assumption that the 3D signal can be modelled by an ensemble of smooth 3D gaussian random fields. The resulting ... Keywords: image processing, optimal filtering, stochastic modelling
L. Jetto
Geometry and context for semantic correspondences and functionality recognition in man-made 3D shapes
We address the problem of automatic recognition of functional parts of man-made 3D shapes in the presence of significant geometric and topological variations. We observe that under such challenging circumstances, the context of a part within a 3D shape ... Keywords: 3D shape segmentation, graph kernels, shape correspondence, shape similarity
Hamid Laga, Michela Mortara, Michela Spagnuolo
A User Study Comparing 3D Modeling with Silhouettes and Google SketchUp
We describe a user study comparing 3D Modeling with Silhouettes and Google SketchUp. In the user study, ten users were asked to create 3D models of three different objects, using either 3D Modeling with Silhouettes or ...
FELIX 3d display: human-machine interface for interactive real three-dimensional imaging
Flat 2D screens cannot display complex 3D structures without the usage of different slices of the 3D model. A volumetric display, like the FELIX 3D Display can solve this problem. It provides space-filling images and is characterized by �multi-viewer� ...
Knut Langhans; Klaas Oltmann; Sebastian Reil; Lars Goldberg; Hannes Hatecke
3D primitive reconstruction using the line segment with single image
This paper presents a 3-D reconstruction method IBM(image based modeling) of an image that does not contain any camera information. This system adopts a 3D reconstruction method based on a model. Model-based 3D reconstruction recovers an image using ...
Sung-Dong Cho; Seung-Taek Ryoo; Tai-Ho Choi; Kyung-Hyun Yoon
3D model retrieval using accurate pose estimation and view-based similarity
In this paper, a novel framework for 3D object retrieval is presented. The paper focuses on the investigation of an accurate 3D model alignment method, which is achieved by combining two intuitive criteria, the plane reflection symmetry and rectilinearity. ... Keywords: 3D object retrieval, alignment, pose estimation
Apostolos Axenopoulos; Georgios Litos; Petros Daras
Usability tests for improvement of 3D navigation in multiscale environments
The interest in virtual 3D environments has increased in the past years due to the popularization of the technology and the huge human ability to visually convey and grasp information. However, unlike the real world, 3D navigation, especially in multiscale ... Keywords: 3D navigation, cubemap, multiscale environments, usability
Tathiane Mendon�a Andrade; Daniel Ribeiro Trindade; Eduardo Ribeiro Silva; Alberto Barbosa Raposo; Simone Diniz Junqueira Barbosa
From silhouettes to 3D points to mesh: towards free viewpoint video
This paper presents a system for 3D reconstruction from video sequences acquired in multi-camera environments. In particular, the 3D surfaces of foreground objects in the scene are extracted and represented by polygon meshes. Three stages are concatenated ... Keywords: 3D scene reconstruction, kd-tree, mesh, multi-view, oriented points
Jordi Salvador; Xavier Suau; Josep R. Casas
Reality-based 3D modeling, segmentation and web-based visualization
One of the most significant consequences of the introduction of digital 3D modeling in the Cultural Heritage field is the possibility to use 3D models as highly effective and intuitive means of communication as well as interface to share and visualize ... Keywords: 3D modeling, laser scanning, photogrammetry, segmentation, semantic, web-based visualization
Anna Maria Manferdini; Fabio Remondino
Recovery of 3D Solar Magnetic Field Model Parameter Using Image Structure Matching
An approach to recover a 3D solar magnetic field model parameter using intensity images of the Sun's corona is introduced. The approach is a quantitative approach in which the 3D model parameter is determined via an image structure matching scheme. The ... Keywords: 3D Parameter Recovery, Image-based Modeling, Structure Matching
Jong Kwan Lee; G. Allen Gary
Robust algorithm for tunnel closing in 3D volumetric objects based on topological characteristics of points
In this letter, we propose a robust, linear in time modification of Aktouf, Bertrand and Perroton's algorithm for tunnel (3D hole) closing in 3D volumetric objects. Our algorithm is insensitive to small distortions and branches. The algorithm has been ... Keywords: 3D image processing, Crack bridging, Skeletonisation, Topological numbers, Tunnel closing
Marcin Janaszewski; Micha? Postolski; Laurent Babout
A dual-mode user interface for accessing 3D content on the world wide web
The Web evolved from a text-based system to the current rich and interactive medium that supports images, 2D graphics, audio and video. The major media type that is still missing is 3D graphics. Although various approaches have been proposed (most notably ... Keywords: 3D graphics, 3D web, hypertext, user interface
Jacek Jankowski; Stefan Decker
DRAM-based FPGA enabled by three-dimensional (3d) memory stacking (abstract only)
Motivated by the emerging three-dimensional (3D integration technologies, this paper studies the potential of applying 3D memory stacking to enable FPGA devices use on-chip DRAM cells to store configuration data. In current design practice, FPGAs do ... Keywords: 3d integration, dram-based fpga, memory stacking
Yangyang Pan; Tong Zhang
Exploring performance, power, and temperature characteristics of 3D systems with on-chip DRAM
3D integration enables stacking DRAM layers on processor cores within the same chip. On-chip memory has the potential to dramatically improve performance due to lower memory access latency and higher bandwidth. Higher core performance increases power ... Keywords: embedded systems, power characteristics, temperature characteristics, 3D systems, on-chip DRAM, 3D integration, on-chip memory
Jie Meng; Daniel Rossell; Ayse K. Coskun
Co-optimization of TSV assignment and micro-channel placement for 3D-ICs
The three dimensional circuit (3D-IC) brings forth new challenges to physical design such as allocation and management of through-silicon-vias (TSVs). Meanwhile, the thermal issues in 3D-IC becomes significant necessitating the use of active cooling ... Keywords: 3d-ic, liquid cooling, micro-channel, tsv assignment
Bing Shi; Caleb Serafy; Ankur Srivastava
Physically Based Satellite Retrieval of Precipitation Using a 3D Passive Microwave Radiative Transfer Model
A precipitation retrieval algorithm based on the application of a 3D radiative transfer model to a hybrid physical-stochastic 3D cloud model is described. The cloud model uses a statistical rainfall clustering scheme to generate 3D cloud ...
J. L. Haferman; E. N. Anagnostou; D. Tsintikidis; W. F. Krajewski; T. F. Smith
blue-c: a spatially immersive display and 3D video portal for telepresence
We present blue-c, a new immersive projection and 3D video acquisition environment for virtual design and collaboration. It combines simultaneous acquisition of multiple live video streams with advanced 3D projection technology in a CAVE�-like ... Keywords: 3D Video, graphics hardware, real-time graphics, spatially immersive displays, virtual environments
Markus Gross; Stephan W�rmlin; Martin Naef; Edouard Lamboray; Christian Spagno; Andreas Kunz; Esther Koller-Meier; Tomas Svoboda; Luc Van Gool; Silke Lang; Kai Strehlke; Andrew Vande Moere; Oliver Staadt
Test of 3D CT reconstructions by EM + TV algorithm from undersampled data
Computerized tomography (CT) plays an important role in medical imaging for diagnosis and therapy. However, CT imaging is connected with ionization radiation exposure of patients. Therefore, the dose reduction is an essential issue in CT. In 2011, the Expectation Maximization and Total Variation Based Model for CT Reconstruction (EM+TV) was proposed. This method can reconstruct a better image using less CT projections in comparison with the usual filtered back projection (FBP) technique. Thus, it could significantly reduce the overall dose of radiation in CT. This work reports the results of an independent numerical simulation for cone beam CT geometry with alternative virtual phantoms. As in the original report, the 3D CT images of 128 Multiplication-Sign 128 Multiplication-Sign 128 virtual phantoms were reconstructed. It was not possible to implement phantoms with lager dimensions because of the slowness of code execution even by the CORE i7 CPU.
Evseev, Ivan; Ahmann, Francielle; Silva, Hamilton P. da [Universidade Tecnologica Federal do Parana - UTFPR/FB, 85601-970, Caixa Postal 135, Francisco Beltrao - PR (Brazil); Schelin, Hugo R. [Universidade Tecnologica Federal do Parana-UTFPR/FB,85601-970,Caixa Postal 135,Francisco Beltrao-PR (Brazil) and Faculdades Pequeno Principe-FPP, Av. Iguacu, 333, Rebou (Brazil); Yevseyeva, Olga [Universidade Federal de Santa Catarina - UFSC/ARA, 88900-000, Rua Pedro Joao Pereira, 150, Ararangua - SC (Brazil); Klock, Margio C. L. [Universidade Federal do Parana - UFPR Litoral, 80230-901, Rua Jaguaraiva 512, Caioba, Matinhos - PR (Brazil)
Tunneling of a Massless Field through a 3D Gaussian Barrier
We propose a method for the approximate computation of the Green function of a scalar massless field Phi subjected to potential barriers of given size and shape in spacetime. This technique is applied to the case of a 3D gaussian ellipsoid-like barrier, placed on the axis between two pointlike sources of the field. Instead of the Green function we compute its temporal integral, that gives the static potential energy of the interaction of the two sources. Such interaction takes place in part by tunneling of the quanta of Phi across the barrier. We evaluate numerically the correction to the potential in dependence on the size of the barrier and on the barrier-sources distance.
G. Modanese
A Numerical Algorithm for Fluid Flow in 3D Naturally Fractured Porous Media
Fluid flow in three-dimensional (3D) fractured porous media is considered. The governing system of partial differential equations consists of two subsystems -- one describing the flow in the fractures, and the other describing the flow in the matrix blocks. In this paper, wedevelop an efficient algorithm for the numerical solution of the problem. An operator splitting technique is employed, as a part of the time-stepping procedure, to decouple the system into easy subsystems. The fracture concentration equation is discretized by the modified method of characteristics (MMOC) in time due to high velocityin the fractures and bytheRaviart-Thomas-Nedelec mixed method of index zero (RTN0) in space. The matrix concentration equation is discretized byabackward Euler scheme and the linear finite element method. The pressure equation is approximated byRTN0 and the linear Galerkin method for the fractures and the matrix blocks, respectively. For the fracture system, a domain decomposition (DD) it...
Seongjai Kim
3D Magnetotelluic characterization of the Coso GeothermalField
Electrical resistivity may contribute to progress inunderstanding geothermal systems by imaging the geometry, bounds andcontrolling structures in existing production, and thereby perhapssuggesting new areas for field expansion. To these ends, a dense grid ofmagnetotelluric (MT) stations plus a single line of contiguous bipolearray profiling has been acquired over the east flank of the Cosogeothermal system. Acquiring good quality MT data in producing geothermalsystems is a challenge due to production related electromagnetic (EM)noise and, in the case of Coso, due to proximity of a regional DCintertie power transmission line. To achieve good results, a remotereference completely outside the influence of the dominant source of EMnoise must be established. Experimental results so far indicate thatemplacing a reference site in Amargosa Valley, NV, 65 miles from the DCintertie, isstill insufficient for noise cancellation much of the time.Even though the DC line EM fields are planar at this distance, theyremain coherent with the nonplanar fields in the Coso area hence remotereferencing produces incorrect responses. We have successfully unwrappedand applied MT times series from the permanent observatory at Parkfield,CA, and these appear adequate to suppress the interference of thecultural EM noise. The efficacy of this observatory is confirmed bycomparison to stations taken using an ultra-distant reference site eastof Socorro, NM. Operation of the latter reference was successful by usingfast ftp internet communication between Coso Junction and the New MexicoInstitute of Mining and Technology, using the University of Utah site asintermediary, and allowed referencing within a few hours of datadownloading at Coso. A grid of 102 MT stations was acquired over the Cosogeothermal area in 2003 and an additional 23 stations were acquired toaugment coverage in the southern flank of the first survey area in 2005.These data have been inverted to a fully three-dimensional conductivitymodel. Initial analysis of the Coso MT data was carried out using 2D MTimaging. An initial 3D conductivity model was constructed from a seriesof 2D resistivity images obtained using the inline electric fieldmeasurements (Zyx impedance elements) along several measurementtransects. This model was then refined through a 3D inversion process.This model shows the controlling geological structures possiblyinfluencing well production at Coso and correlations with mapped surfacefeatures such as faults and regional geoelectric strike. The 3D modelalso illustrates the refinement in positioning of conductivity contactswhen compared to isolated 2D inversion transects. The conductivity modelhas also been correlated with microearthquake locations, well fluidproduction intervals and most importantly with an acoustic and shearvelocity model derived by Wu and Lees (1999). This later correlationshows the near-vertical high conductivity structure on the eastern flankof the producing field is also a zone of increased acoustic velocity andincreased Vp/Vs ratio bounded by mapped fault traces. South of theDevil's Kitchen is an area of high geothermal well density, where highlyconductive near surface material is interpreted as a clay cap alterationzone manifested from the subsurface geothermal fluids and relatedgeochemistry. Beneath the clay cap, however, the conductivity isnondescript, whereas the Vp/Vs ratio is enhanced over the productionintervals. It is recommended that more MT data sites be acquired to thesouthwest of the Devil's Kitchen area to better refine the conductivitymodel in that area.
Newman, Gregory A.; Hoversten, G. Michael; Wannamaker, Philip E.; Gasperikova, Erika
Fabrication of cubic micron-scale 3D metamaterial resonators.
We present a new fabrication technique called Membrane Projection Lithography for the production of three-dimensional metamaterials at infrared wavelengths. Using this technique, multilayer infrared metamaterials that include both in-plane and out-of-plane resonators can be fabricated.
Non-Contact Printed Aluminum Metallization of Si Photovoltaic Devices: Preprint
Alternative solution-based techniques such as aerosol jet printing offer the dual benefits of contactless pattern deposition and high material utilization. We have used aerosol jet printing to investigate non-contact printed Al metal ink as a replacement for screen printed Al back contacts on wafer Si solar cells. This particle-based ink can be prepared at high loadings of 60 weight % metal, which enables rapid deposition of 1 - 10 um thick lines. Al lines printed on Si wafers and heated between 550 and 800 degrees C form low resistance contacts suitable for current extraction. The effectiveness of these printed Al back contacts has further been demonstrated by incorporating them into a series of 21 cm2 crystalline Si solar cells that produced a champion power conversion efficiency of 13%.
Platt, H. A. S.; van Hest, M. F. A. M.; Li, Y.; Novak, J. P.
DYNA3D analysis of the DT-20 shipping container
A DYNA3D model of the DT-20 shipping container was constructed. Impact onto a rigid steel surface at a velocity of 44 ft/sec (30 foot gravity drop) was studied. The orientation of most interest was a side-drop, but end and corner drops were also studied briefly. The assembly for the baseline side impact contained a 150 lb. payload. During this drop, the outer drum sustains plastic strains of up to 0.15, with most the deformation near the rim. The plywood/Celotex packing is crushed about 3 inches. The inner sealed can sees significant stresses, but barely reaches the onset of yielding in some local areas. Based on hand calculations, the bolts joining the can halves could see stresses near 50 ksi. It is felt that overall, the container should survive this drop. However, detailed modeling of the rim closure and the center bolted joint was not possible due to time constraints. Furthermore, better material models and properties are needed for the Celotex, plywood, and honeycomb in particular. 39 figs., 1 tab.
Logan, R.W.; Lovejoy, S.C.
DYNA3D/ParaDyn Regression Test Suite Inventory
The following table constitutes an initial assessment of feature coverage across the regression test suite used for DYNA3D and ParaDyn. It documents the regression test suite at the time of production release 10.1 in September 2010. The columns of the table represent groupings of functionalities, e.g., material models. Each problem in the test suite is represented by a row in the table. All features exercised by the problem are denoted by a check mark in the corresponding column. The definition of ''feature'' has not been subdivided to its smallest unit of user input, e.g., algorithmic parameters specific to a particular type of contact surface. This represents a judgment to provide code developers and users a reasonable impression of feature coverage without expanding the width of the table by several multiples. All regression testing is run in parallel, typically with eight processors. Many are strictly regression tests acting as a check that the codes continue to produce adequately repeatable results as development unfolds, compilers change and platforms are replaced. A subset of the tests represents true verification problems that have been checked against analytical or other benchmark solutions. Users are welcomed to submit documented problems for inclusion in the test suite, especially if they are heavily exercising, and dependent upon, features that are currently underrepresented.
Lin, J I
Crashworthiness analysis using advanced material models in DYNA3D
As part of an electric vehicle consortium, LLNL and Kaiser Aluminum are conducting experimental and numerical studies on crashworthy aluminum spaceframe designs. They have jointly explored the effect of heat treat on crush behavior and duplicated the experimental behavior with finite-element simulations. The major technical contributions to the state of the art in numerical simulation arise from the development and use of advanced material model descriptions for LLNL`s DYNA3D code. Constitutive model enhancements in both flow and failure have been employed for conventional materials such as low-carbon steels, and also for lighter weight materials such as aluminum and fiber composites being considered for future vehicles. The constitutive model enhancements are developed as extensions from LLNL`s work in anisotropic flow and multiaxial failure modeling. Analysis quality as a function of level of simplification of material behavior and mesh is explored, as well as the penalty in computation cost that must be paid for using more complex models and meshes. The lightweight material modeling technology is being used at the vehicle component level to explore the safety implications of small neighborhood electric vehicles manufactured almost exclusively from these materials.
Logan, R.W.; Burger, M.J.; McMichael, L.D. [Lawrence Livermore National Lab., CA (United States); Parkinson, R.D. [Kaiser Aluminum & Chemical Corp., Pleasanton, CA (United States). Center for Technology
2D/3D registration algorithm for lung brachytherapy
Purpose: A 2D/3D registration algorithm is proposed for registering orthogonal x-ray images with a diagnostic CT volume for high dose rate (HDR) lung brachytherapy. Methods: The algorithm utilizes a rigid registration model based on a pixel/voxel intensity matching approach. To achieve accurate registration, a robust similarity measure combining normalized mutual information, image gradient, and intensity difference was developed. The algorithm was validated using a simple body and anthropomorphic phantoms. Transfer catheters were placed inside the phantoms to simulate the unique image features observed during treatment. The algorithm sensitivity to various degrees of initial misregistration and to the presence of foreign objects, such as ECG leads, was evaluated. Results: The mean registration error was 2.2 and 1.9 mm for the simple body and anthropomorphic phantoms, respectively. The error was comparable to the interoperator catheter digitization error of 1.6 mm. Preliminary analysis of data acquired from four patients indicated a mean registration error of 4.2 mm. Conclusions: Results obtained using the proposed algorithm are clinically acceptable especially considering the complications normally encountered when imaging during lung HDR brachytherapy.
Zvonarev, P. S. [McMaster University, Medical Physics and Applied Radiation Sciences, Hamilton, Ontario L8S 4L8 (Canada); Farrell, T. J.; Hunter, R.; Wierzbicki, M.; Hayward, J. E. [McMaster University, Medical Physics and Applied Radiation Sciences, Hamilton, Ontario L8S 4L8 (Canada); Juravinski Cancer Centre, Medical Physics, Hamilton, Ontario L8V 5C2 (Canada); Sur, R. K. [McMaster University, Medical Physics and Applied Radiation Sciences, Hamilton, Ontario L8S 4L8 (Canada); Juravinski Cancer Centre, Radiation Oncology, Hamilton, Ontario L8V 5C2 (Canada)
MPSalsa 3D Simulations of Chemically Reacting Flows
DOE Data Explorer (OSTI)
Many important scientific and engineering applications require a detailed analysis of complex systems with coupled fluid flow, thermal energy transfer, mass transfer and nonequilibrium chemical reactions. Currently, computer simulations of these complex reacting flow problems are limited to idealized systems in one or two spatial dimensions when coupled with a detailed, fundamental chemistry model. The goal of our research is to develop, analyze and implement advanced MP numerical algorithms that will allow high resolution 3D simulations with an equal emphasis on fluid flow and chemical kinetics modeling. In our research, we focus on the development of new, fully coupled, implicit solution strategies that are based on robust MP iterative solution methods (copied from http://www.cs.sandia.gov/CRF/MPSalsa/). These simulations are needed for scientific and technical areas such as: combustion research for transportation, atmospheric chemistry modeling for pollution studies, chemically reacting flow models for analysis and control of manufacturing processes, surface catalytic reactors for methane to methanol conversion and chemical vapor deposition (CVD) process modeling for production of advanced semiconductor materials (http://www.cs.sandia.gov/CRF/MPSalsa/).
This project website provides six QuickTime videos of these simulations, along with a small image gallery and slideshow animations. A list of related publications and conference presentations is also made available.
Rayleigh Quotient Iteration in 3D, Deterministic Neutron Transport
Today's "grand challenge" neutron transport problems require 3-D meshes with billions of cells, hundreds of energy groups, and accurate quadratures and scattering expansions. Leadership-class computers provide platforms on which high-fidelity fluxes can be calculated. However, appropriate methods are needed that can use these machines effectively. Such methods must be able to use hundreds of thousands of cores and have good convergence properties. Rayleigh quotient iteration (RQI) is an eigenvalue solver that has been added to the Sn code Denovo to address convergence. Rayleigh quotient iteration is an optimal shifted inverse iteration method that should converge in fewer iterations than the more common power method and other shifted inverse iteration methods for many problems of interest. Denovo's RQI uses a new multigroup Krylov solver for the fixed source solutions inside every iteration that allows parallelization in energy in addition to space and angle. This Krylov solver has been shown to scale successfully to 200,000 cores: for example one test problem scaled from 69,120 cores to 190,080 cores with 98% efficiency. This paper shows that RQI works for some small problems. However, the Krylov method upon which it relies does not always converge because RQI creates ill-conditioned systems. This result leads to the conclusion that preconditioning is needed to allow this method to be applicable to a wider variety of problems.
Slaybaugh, R [University of Wisconsin; Evans, Thomas M [ORNL; Davidson, Gregory G [ORNL; Wilson, P. [University of Wisconsin
Recycling of WEEE: Characterization of spent printed circuit boards from mobile phones and computers
Highlights: > This paper presents new and important data on characterization of wastes of electric and electronic equipments. > Copper concentration is increasing in mobile phones and remaining constant in personal computers. > Printed circuit boards from mobile phones and computers would not be mixed prior treatment. - Abstract: This paper presents a comparison between printed circuit boards from computers and mobile phones. Since printed circuits boards are becoming more complex and smaller, the amount of materials is constantly changing. The main objective of this work was to characterize spent printed circuit boards from computers and mobile phones applying mineral processing technique to separate the metal, ceramic, and polymer fractions. The processing was performed by comminution in a hammer mill, followed by particle size analysis, and by magnetic and electrostatic separation. Aqua regia leaching, loss-on-ignition and chemical analysis (inductively coupled plasma atomic emission spectroscopy - ICP-OES) were carried out to determine the composition of printed circuit boards and the metal rich fraction. The composition of the studied mobile phones printed circuit boards (PCB-MP) was 63 wt.% metals; 24 wt.% ceramics and 13 wt.% polymers; and of the printed circuit boards from studied personal computers (PCB-PC) was 45 wt.% metals; 27 wt.% polymers and ceramics 28 wt.% ceramics. The chemical analysis showed that copper concentration in printed circuit boards from personal computers was 20 wt.% and in printed circuit boards from mobile phones was 34.5 wt.%. According to the characteristics of each type of printed circuit board, the recovery of precious metals may be the main goal of the recycling process of printed circuit boards from personal computers and the recovery of copper should be the main goal of the recycling process of printed circuit boards from mobile phones. Hence, these printed circuit boards would not be mixed prior treatment. The results of this paper show that copper concentration is increasing in mobile phones and remaining constant in personal computers.
Yamane, Luciana Harue, E-mail: email@example.com [Department of Metallurgical and Materials Engineering, University of Sao Paulo, Av. Prof. Mello Moraes, 2463 Sao Paulo, SP 05508-030 (Brazil); Tavares de Moraes, Viviane, E-mail: firstname.lastname@example.com [Department of Metallurgical and Materials Engineering, University of Sao Paulo, Av. Prof. Mello Moraes, 2463 Sao Paulo, SP 05508-030 (Brazil); Crocce Romano Espinosa, Denise, E-mail: email@example.com [Department of Metallurgical and Materials Engineering, University of Sao Paulo, Av. Prof. Mello Moraes, 2463 Sao Paulo, SP 05508-030 (Brazil); Soares Tenorio, Jorge Alberto, E-mail: firstname.lastname@example.com [Department of Metallurgical and Materials Engineering, University of Sao Paulo, Av. Prof. Mello Moraes, 2463 Sao Paulo, SP 05508-030 (Brazil)
Analysis of 3D Elemental Mapping Artifacts in Biological ...
... studied the effects of different beam energies for generating ... the FIB-EDS technique for this type of sample. ... in this study, 5 keV beam energy is likely ...
Graphical interface for quantitative monitoring of 3D MRI data
The recent development of techniques in magnetic resonance imaging allows for the noninvasive monitoring of cartilage for disease progression, effects of lifestyle change, and results of medical interventions. In particular, ...
Gerber, Meredith L
Public Law 102-392 for Printing | Department of Energy
2-392 for Printing Public Law 102-392 for Printing Public Law 102-392 for Printing Public Law 102-392 for Printing More Documents & Publications Minutes from the Print and Mail...
Nano-contact printing of DNA monolayers
Technology today is directed towards building smaller devices. To accommodate this development, printing methods are needed. Some printing methods that are used include lithography, micro-contact printing, and inkjet ...
Tong, Angela, 1983-
Simulation of the T6 bridge rail system using LS-DYNA3D
Full-scale crash testing currently the primary means of evaluating trustworthiness of roadside safety structures, such as bridge rails. However, explicit finite element analysis is rapidly becoming a feasible alternative and offers several advantages to the designer. Over the past ten years, FHWA has supported research involving use of the explicit code LS-DYNA3D for analytical simulation of vehicular impacts of roadside safety systems. Consequently, the goals of this research were the development of a finite element model of the TxDOT T6 bridge rail system using LS-DYNA3D and validation of simulation results against recorded data from full-scale crash testing. The process of modeling the T6 system was a conglomeration of efforts to accurately represent the various components and approximations to reduce the required computational time. When feasible, material testing was conducted to obtain input values for material definitions. The focus of the research approach was to validate subsystem models, primarily the post-base-weld assembly, against TTI test data prior to assembling the entire T6 model. Sections of the T6 installation located outside the impact region and various connections were represented using approximate modeling techniques. Because no test data existed, explicit models of these components were created solely to calibrate simplified models. Also, most initial simulations utilized rigid impactors to evaluate the response of the finite element models. To evaluate the accuracy of the T6 model, a 2000-kg truck model was obtained from the National Crash Analysis Center (NCAC). Impact conditions of the final simulation were based on TTI full-scale crash test 418048-03. Simulation results were compared both qualitatively and quantitatively with recorded data from a full-scale crash test conducted by TTI. Evaluation criteria, such as the overhead vehicle trajectory, deformation of the vehicle and the T6 system, transverse deflections, and the velocity time history of the vehicle, correlated well. However, the exit angle and amount of rolling experienced by the vehicle did not reflect results of the experimental test. It was concluded that the research objective was accomplished within the limitations of LS-DYNA3D'S fillet weld definition, the inability to model reinforced concrete, and the mass distribution of the NCAC truck model.
Hamilton, Mark Edward
GPU-accelerated 3D neutron diffusion code based on finite difference method
Finite difference method, as a traditional numerical solution to neutron diffusion equation, although considered simpler and more precise than the coarse mesh nodal methods, has a bottle neck to be widely applied caused by the huge memory and unendurable computation time it requires. In recent years, the concept of General-Purpose computation on GPUs has provided us with a powerful computational engine for scientific research. In this study, a GPU-Accelerated multi-group 3D neutron diffusion code based on finite difference method was developed. First, a clean-sheet neutron diffusion code (3DFD-CPU) was written in C++ on the CPU architecture, and later ported to GPUs under NVIDIA's CUDA platform (3DFD-GPU). The IAEA 3D PWR benchmark problem was calculated in the numerical test, where three different codes, including the original CPU-based sequential code, the HYPRE (High Performance Pre-conditioners)-based diffusion code and CITATION, were used as counterpoints to test the efficiency and accuracy of the GPU-based program. The results demonstrate both high efficiency and adequate accuracy of the GPU implementation for neutron diffusion equation. A speedup factor of about 46 times was obtained, using NVIDIA's Geforce GTX470 GPU card against a 2.50 GHz Intel Quad Q9300 CPU processor. Compared with the HYPRE-based code performing in parallel on an 8-core tower server, the speedup of about 2 still could be observed. More encouragingly, without any mathematical acceleration technology, the GPU implementation ran about 5 times faster than CITATION which was speeded up by using the SOR method and Chebyshev extrapolation technique. (authors)
Xu, Q.; Yu, G.; Wang, K. [Dept. of Engineering Physics, Tsinghua Univ. (China)
3D seismic interpretation, reservoir characteristics and petroleum prospects for South Marsh Island OCS Blocks, Gulf of Mexico
The South Marsh OCS Blocks, located approximately 150 miles southwest of New Orleans, Louisiana, contain a 100-million-barrel oil field. In recent years, exploration in this area has focused on plays in Pleistocene salt-related rollover structures with reservoirs of fluvial-deltaic sandstones and proven high oil-producing potential. After more than twenty years of exploration, exploitation and producing, this area remains an attractive target for exploration with its potentially high-quality reservoirs that have not been drilled. The I, K and L reservoirs of the Pleistocene have contributed to the majority of the production of over 100 million barrels of oil and near 200 billion cubic feet of natural gas. More than 90 well penetrations in these sands show great stratigraphic diversity within short distances, making the ability to accurately determine whether sand lenses have been adequately produced or bypassed essential for production opportunities for operators. New 3D seismic processing and interpretation techniques have been applied to interpret 3D seismic data with significantly improved accuracy. This has led to a renewed interest in the South Marsh area in an attempt to identify new plays and prospects. An interactive 3D-seismic interpretation has been carried out for the entire area. The objectives of this study are to conduct 3D seismic interpretation, to build a depositional environment model that encompasses the different sedimentary facies and sequence stratigraphic framework by using the prestack time migrated 3D volume and existing well control, to study rock properties using seismic modeling and well data to explain seismic attribute response, and to study the hydrocarbon potential of the area. Three horizons were mapped from well, seismic, and petrophysical data for the I, K and L formation tops respectively. Structure styles were well-defined by the 3D seismic interpretation. Well correlation has been completed for I, K and L formations throughout the study area. Reservoirs were studied vertically and horizontally. Reservoir types and properties were identified. One prospect related to the proven play of fault-bounded anticline structures was identified within the area. The plays involve the stratigraphic pinch out of basal transgressive sands deposited in the flank of the structure.
Duan, Ling
3D dose and TCP distribution for radionuclide therapy in nuclear medicine
A common feature to any radiant therapy is that lesion and health tissue dosimetry provides relevant information for treatment optimization along with dose-efficacy and dose-complication correlation studies. Nowadays, different radionuclide therapies are commonly available, assessing both systemic and loco-regional approach and using different alfa-, beta-and gamma-emitting isotopes and binding molecules. It is well established, that specific dosimetric approaches become necessary according to each therapy modality. Sometimes, observed activity distribution can be satisfactory represented by simple geometrical models. However, Monte Carlo techniques are capable of better approaches, therefore becoming sometimes the only way to get dosimetric data since the patient-specific situation can not be adequately represented by conventional dosimetry techniques. Therefore, due to strong limitations of traditional and standard methods, this work concentrates on the development of a dedicated and novel calculation system in order to assess the dose distribution within the irradiated patient. However, physical dose may not be enough information in order to establish real deterministic biological/metabolic effects; therefore complementary radiobiological models have been suitably introduced with the aim of performing realistic 3D dose as well as corresponding Tumor Control Probability distribution calculation.
Valente, M.; Malano, F. [FaMAF, Universidad Nacional de Cordoba, Argentina. Medina Allende y Haya de la Torre, C. Universitaria, Cordoba (X5000HUA) (Argentina); CONICET Argentina. Avda. Rivadavia 1917, Buenos Aires ( C1033AAJ) (Argentina); Perez, P. [FaMAF, Universidad Nacional de Cordoba, Argentina. Medina Allende y Haya de la Torre, C. Universitaria, Cordoba (X5000HUA) (Argentina)
Applied Science/Techniques Applied Science/Techniques Applied Science/Techniques Print The ALS is an excellent incubator of new scientific techniques and instrumentation. Many of the technical advances that make the ALS a world-class soft x-ray facility are developed at the ALS itself. The optical components in use at the ALS-mirrors and lenses optimized for x-ray wavelengths-require incredibly high-precision surfaces and patterns (often formed through extreme ultraviolet lithography at the ALS) and must undergo rigorous calibration and testing provided by beamlines and equipment from the ALS's Optical Metrology Lab and Berkeley Lab's Center for X-Ray Optics. New and/or continuously improved experimental techniques are also a crucial element of a thriving scientific facility. At the ALS, examples of such "technique" highlights include developments in lensless imaging, soft x-ray tomography, high-throughput protein analysis, and high-power coherent terahertz radiation.
Space-charge-dominated beam dynamics simulations using the massively parallel processors (MPPs) of the Cray T3D
Computer simulations using the multi-particle code PARMELA with a three-dimensional point-by-point space charge algorithm have turned out to be very helpful in supporting injector commissioning and operations at Thomas Jefferson National Accelerator Facility (Jefferson Lab, formerly called CEBAF). However, this algorithm, which defines a typical N{sup 2} problem in CPU time scaling, is very time-consuming when N, the number of macro-particles, is large. Therefore, it is attractive to use massively parallel processors (MPPs) to speed up the simulations. Motivated by this, the authors modified the space charge subroutine for using the MPPs of the Cray T3D. The techniques used to parallelize and optimize the code on the T3D are discussed in this paper. The performance of the code on the T3D is examined in comparison with a Parallel Vector Processing supercomputer of the Cray C90 and an HP 735/15 high-end workstation.
Liu, H.
The Combined Finite-Discrete Element Method applied to the Study of Rock Fracturing Behavior in 3D
Since its introduction the combined finite-discrete element method (FEM/DEM), has become an excellent tool to address a wide range of problems involving fracturing and fragmentation of solids. Within the context of rock mechanics, the FEM/DEM method has been applied to many complex industrial problems such as block caving, deep mining techniques, rock blasting, seismic waves, packing problems, rock crushing problems, etc. In the real world most of the problems involving fracture and fragmentation of solids are three dimensional problems. With the aim of addressing these problems an improved 2D/3D FEM/DEM capability has been developed at Los Alamos National Laboratory (LANL). These capabilities include state of the art 3D contact detection, contact interaction, constitutive material models, and fracture models. In this paper, Split Hopkinson Pressure Bar (SHPB) Brazilian experiments are simulated using this improved 2D/3D FEM/DEM approach which is implemented in LANL's MUNROU (Munjiza-Rougier) code. The results presented in this work show excellent agreement with both the SHPB experiments and previous 2D numerical simulations performed by other FEM/DEM research groups.
Rougier, Esteban [Los Alamos National Laboratory; Bradley, Christopher R. [Los Alamos National Laboratory; Broom, Scott T. [Geomechanics Sandia National Laboratories; Knight, Earl E. [Los Alamos National Laboratory; Munjiza, Ante [School of Engineering and Material Sciences, Queen Mary, University of London; Sussman, Aviva J. [Los Alamos National Laboratory; Swift, Robert P. [Los Alamos National Laboratory
Comparison of Three-Dimensional (3D) Conformal Proton Radiotherapy (RT), 3D Conformal Photon RT, and Intensity-Modulated RT for Retroperitoneal and Intra-Abdominal Sarcomas
Purpose: To compare three-dimensional conformal proton radiotherapy (3DCPT), intensity-modulated photon radiotherapy (IMRT), and 3D conformal photon radiotherapy (3DCRT) to predict the optimal RT technique for retroperitoneal sarcomas. Methods and Materials: 3DCRT, IMRT, and 3DCPT plans were created for treating eight patients with retroperitoneal or intra-abdominal sarcomas. The clinical target volume (CTV) included the gross tumor plus a 2-cm margin, limited by bone and intact fascial planes. For photon plans, the planning target volume (PTV) included a uniform expansion of 5 mm. For the proton plans, the PTV was nonuniform and beam-specific. The prescription dose was 50.4 Gy/Cobalt gray equivalent CGE. Plans were normalized so that >95% of the CTV received 100% of the dose. Results: The CTV was covered adequately by all techniques. The median conformity index was 0.69 for 3DCPT, 0.75 for IMRT, and 0.51 for 3DCRT. The median inhomogeneity coefficient was 0.062 for 3DCPT, 0.066 for IMRT, and 0.073 for 3DCRT. The bowel median volume receiving 15 Gy (V15) was 16.4% for 3DCPT, 52.2% for IMRT, and 66.1% for 3DCRT. The bowel median V45 was 6.3% for 3DCPT, 4.7% for IMRT, and 15.6% for 3DCRT. The median ipsilateral mean kidney dose was 22.5 CGE for 3DCPT, 34.1 Gy for IMRT, and 37.8 Gy for 3DCRT. The median contralateral mean kidney dose was 0 CGE for 3DCPT, 6.4 Gy for IMRT, and 11 Gy for 3DCRT. The median contralateral kidney V5 was 0% for 3DCPT, 49.9% for IMRT, and 99.7% for 3DCRT. Regardless of technique, the median mean liver dose was <30 Gy, and the median cord V50 was 0%. The median integral dose was 126 J for 3DCPT, 400 J for IMRT, and 432 J for 3DCRT. Conclusions: IMRT and 3DCPT result in plans that are more conformal and homogenous than 3DCRT. Based on Quantitative Analysis of Normal Tissue Effects in Clinic benchmarks, the dosimetric advantage of proton therapy may be less gastrointestinal and genitourinary toxicity.
Swanson, Erika L. [Department of Radiation Oncology, University of Florida, Gainesville, Florida (United States)] [Department of Radiation Oncology, University of Florida, Gainesville, Florida (United States); Indelicato, Daniel J., E-mail: email@example.com [Department of Radiation Oncology, University of Florida, Gainesville, Florida (United States); University of Florida Proton Therapy Institute, Jacksonville, Florida (United States); Louis, Debbie; Flampouri, Stella; Li, Zuofeng [University of Florida Proton Therapy Institute, Jacksonville, Florida (United States)] [University of Florida Proton Therapy Institute, Jacksonville, Florida (United States); Morris, Christopher G.; Paryani, Nitesh [Department of Radiation Oncology, University of Florida, Gainesville, Florida (United States)] [Department of Radiation Oncology, University of Florida, Gainesville, Florida (United States); Slopsema, Roelf [University of Florida Proton Therapy Institute, Jacksonville, Florida (United States)] [University of Florida Proton Therapy Institute, Jacksonville, Florida (United States)
Anais do IX SIBGRAPI (1996) 345-346 3D Viewer: Um Visualizador 3D Utilizando OpenGL e Tcl/Tk
Anais do IX SIBGRAPI (1996) 345-346 3D Viewer: Um Visualizador 3D Utilizando OpenGL e Tcl with the aid of GUI toolkits. The Tcl/Tk environment is a specially attractive option since it offers a terse Viewer - that uses TkOGL (Tk- OpenGL), a software interface to OpenGL and Tcl/Tk. Keywords: Rendering
Face recognition based on 3D ridge images obtained from range data
In this paper, we present an approach for 3D face recognition from frontal range data based on the ridge lines on the surface of the face. We use the principal curvature, k"m"a"x, to represent the face image as a 3D binary image called ridge image. The ... Keywords: 3D face recognition, Gaussian curvature, Hausdorff distance, Iterative closest points, Range image, Ridge image
Mohammad H. Mahoor; Mohamed Abdel-Mottaleb
3D analysis of the reactivity insertion accident in VVER-1000
Fuel parameters such as peak enthalpy and temperature during rod ejection accident are calculated. The calculations are performed by 3D neutron kinetics code NESTLE and 3D thermal-hydraulic code VIPRE-W. Both hot zero power and hot full power cases were studied for an equilibrium cycle with Westinghouse hex fuel in VVER-1000. It is shown that the use of 3D methodology can significantly increase safety margins for current criteria and met future criteria. (authors)
Abdullayev, A. M.; Zhukov, A. I.; Slyeptsov, S. M. [NSC Kharkov Inst. for Physics and Technology, 1, Akademicheskaya Str., Kharkov 61108 (Ukraine)
Development of 3-D Neutronic Kinetic Model and Control for CANDU Reactors.
??The development of a three dimensional (3-D) neutronic kinetic modeling process aiming at control system design for CANadian Deuterium Uranium (CANDU) reactors is carried out� (more)
Xia, Lingzhi
MT3D: a 3 dimensional magnetotelluric modeling program (user's guide and documentation for Rev. 1)
MT3D.REV1 is a non-interactive computer program written in FORTRAN to do 3-dimensional magnetotelluric modeling. A 3-D volume integral equation has been adapted to simulate the MT response of a 3D body in the earth. An integro-difference scheme has been incorporated to increase the accuracy. This is a user's guide for MT3D.REV1 on the University of Utah Research Institute's (UURI) PRIME 400 computer operating under PRIMOS IV, Rev. 17.
Nutter, C.; Wannamaker, P.E.
Sub-Nanometer Resolution 3D Mapping of Isotopically Modulated Si ...
3D atom-by-atom isotopic maps with sharp interfaces are achieved. .... Silicon Coated Vertically Aligned Carbon Nanotubes as High Capacity Anodes for Lithium�...
3D Geological Modelling In Bavaria - State-Of-The-Art At A State...
with form History Facebook icon Twitter icon 3D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological Survey Jump to: navigation, search GEOTHERMAL...
P1-04: 3D Microstructural Characterization of Uranium Oxide as a ...
Presentation Title, P1-04: 3D Microstructural Characterization of Uranium ... to obtain Electron Backscatter Diffraction (EBSD) data for depleted UO2 pellets that �...
2D/3D Data Registration and Fusion - Programmaster.org
This talk will introduce the concepts behind data fusion and current algorithms to register 2D/3D data sets obtained using various experimental imaging�...
Novel Tools for 3D Data Acquisition and Analysis - Part II
Feb 17, 2010 ... X-ray Synchrotron Tomography for Three Dimensional (3D) ... Existing focused ion beam (FIB) scanning electron microscope and�...
NREL: Technology Deployment - NREL Teams with concept3D to Develop...
NREL's Larry Brackney Applying NREL's advanced energy modeling framework and building energy audit processes, collaboration tools, and in-app media and concept3D's geometric...
NREL: Buildings Research - NREL Teams with concept3D to Develop...
Determination of 3-D Cloud Ice Water Contents by Combining Multiple...
Determination of 3-D Cloud Ice Water Contents by Combining Multiple Data Sources from Satellite, Ground Radar, and a Numerical Model Liu, Guosheng Florida State University Seo,...
How to use computer graphics to promote virtual idols based on 3D.
??Computer Graphics is developing rapidly day by day and 3D technology is becoming a more and more important part of art and design. 2D animation� (more)
Qin, Chuanshi
Martensitic Transformations in Steels � A 3D Phase-field Study
In the present work a physically based 3D elastoplastic phase-field model is developed .... The Study of Phase Transformations in Metastable Beta-Ti Alloys by�...
SHREC 2011 - Shape Retrieval Contest of Non-rigid 3D ...
... on Non-rigid 3D Watertight Meshes, Z. Lian, A. Godil, B. Bustos, M. Daoudi, J. Hermans, S. Kawamura, Y. Kurita, G. Lavou�, HV Nguyen, R. Ohbuchi ...
In-situ Three Dimensional (3D) X-Ray Synchrotron Tomography of ...
Local measurements of da/dN were possible with the 3D data sets obtained from tomography. In situ measurements of crack opening displacement (COD) were�...
Airport Viz - A 3D Tool to Enhance Security Operations | ornl...
Home | Science & Discovery | Supercomputing and Computation | Projects SHARE Airport Viz - A 3D Tool to Enhance Security Operations June 12, 2013 Problem Statement: Airport...
Implied Dynamic Feedback of 3D IR Radiative Transfer on Simulated...
of 3D IR Radiative Transfer on Simulated Cloud Fields D. B. Mechem and Y. L. Kogan Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman,...
Synergia: an accelerator modeling tool with 3-D space charge
High precision modeling of space-charge effects, together with accurate treatment of single-particle dynamics, is essential for designing future accelerators as well as optimizing the performance of existing machines. We describe Synergia, a high-fidelity parallel beam dynamics simulation package with fully three dimensional space-charge capabilities and a higher order optics implementation. We describe the computational techniques, the advanced human interface, and the parallel performance obtained using large numbers of macroparticles. We also perform code benchmarks comparing to semi-analytic results and other codes. Finally, we present initial results on particle tune spread, beam halo creation, and emittance growth in the Fermilab booster accelerator.
Amundson, James F.; Spentzouris, P.; /Fermilab; Qiang, J.; Ryne, R.; /LBL, Berkeley
GSIS: A 3D geological multi-body modeling system from netty cross-sections with topology
True 3D geological models are instrumental in addressing practical geology problems. A 3D geological modeling method is a vital module which converts raw data in lower dimensions into 3D bodies. To be geologically practical, the method must take cross-sections ... Keywords: 3D geological modeling, Data consistency, Fault modeling, Geomodeller
Jing Ming; Mao Pan; Honggang Qu; Zhihong Ge
EASYOGL: FAST PROTOTYPING PLATFORM FOR 3D MULTIMEDIA INTEGRATION USING TCL/TK AND OPENGL S. Sidney, firstname.lastname@example.com ABSTRACT EasyOGL is a Tcl/Tk extension that adds three new dynamically loadable an active 3D drawing context. Since EasyOGL is embedded in Tcl, it provides an extensible, easy-to-use, fast
British Columbia, University of
Multitouch puppetry: creating coordinated 3D motion for an articulated arm
Controlling a high-dimensional structure like a 3D humanoid skeleton is a challenging task. Intuitive interfaces that allow non-experts to perform character animation with standard input devices would open up many possibilities. Therefore, we propose ... Keywords: 3D user interfaces, character animation, multitouch interaction
Michael Kipp; Quan Nguyen
Proceedings of the 2006 symposium on Interactive 3D graphics and games
These proceedings represent the technical program for the "second annual" ACM SIGGRAPH Symposium on Interactive 3D Graphics and Games, held in Redwood City, California, March 14-17, 2006. I3D started as a workshop in 1986 and was held roughly bi-annually ...
Marc Olano; Carlo S�quin
O3D-based game learning environments for cultural heritage online education
This paper describes an approach, where an O3D-based virtual environment for learning cultural heritage is combined with a game environment to provide a friendly environment that makes learning more pleasant. We describe the game flow, design approach, ... Keywords: O3D, educational games, interactive teaching, multimedia exhibition
Lu Wang; Jian-Wei Guo; Cheng-Lei Yang; Hai-Seng Zhao; Xiang-Xu Meng
DisplayObjects: prototyping functional physical interfaces on 3d styrofoam, paper or cardboard models
This paper introduces DisplayObjects, a rapid prototyping workbench that allows functional interfaces to be projected onto real 3D physical prototypes. DisplayObjects uses a Vicon motion capture system to track the location of physical models. 3D software ... Keywords: augmented reality, early prototyping, organic user interfaces, physical user interfaces
Eric Akaoka; Tim Ginn; Roel Vertegaal
Heritage Debris Classification Based on 3D Texture Feature and SVM
A heritage debris classification based on 3D texture feature and SVM is proposed in this paper. We compute the bidirectional histogram and correlation function of Lambertian, isotropic, randomly rough surfaces which are common in real-world scenes firstly, ... Keywords: heritage debris, 3D texture, SVM
Meng Li; Canjie Huang; Ping Fu; Suyan Yue
Disparity map refinement and 3D surface smoothing via directed anisotropic diffusion
We propose a new binocular stereo algorithm and 3D reconstruction method from multiple disparity images. First, we present an accurate binocular stereo algorithm. In our algorithm, we use neither color segmentation nor plane fitting methods, which are ... Keywords: 3D reconstruction, Binocular stereo, Directed anisotropic diffusion, Surface smoothing
Atsuhiko Banno; Katsushi Ikeuchi
Impact of Flow and Brand Equity in 3D Virtual Worlds
This research is a partial test of Park et al.'s 2008 model to assess the impact of flow and brand equity in 3D virtual worlds. It draws on flow theory as its main theoretical foundation to understand and empirically assess the impact of flow on brand ... Keywords: 3D Virtual Worlds, Brand Equity, Challenges, Flow, Intention, Skills
David DeWester; Brenda Eschenbrenner; So Ra Park; Fiona Fui-Hoon Nah
Physical design exploration of 3D tree-based FPGA architecture
An innovative 3D physical design exploration methodology for Tree-based FPGA architecture is presented in this paper. In a Tree-based FPGA architecture, the interconnects are arranged in a multidimensional network with the logic unites and switch blocks ... Keywords: 3d integration circuits, tree-based fpga, tsv
Vinod Pangracious; Emna Amouri; Habib Mehrez; Zied Marrakchi
PhD Project Proposal PV-Aware Design for Reliable 3-D Integration
PhD Project Proposal PV-Aware Design for Reliable 3-D Integration The trend of moving from planar dimension, and of the constraints on the positions of the through-silicon-vias and their timing models - Development of (stress-aware) mobility variation timing models for 3-D interconnect integration to augment
Langendoen, Koen
TOA-based location estimation accuracy for 3D wireless sensor networks
WSNs are a physical impossibility to be deployed into the area of absolute plane in the context of real-world applications. For all kinds of applications in WSNs accurate location information is crucial. In this article, we focus on 3D location accuracy ... Keywords: 3D, CRB, TOA, wireless sensor networks
Qiao-ling Du; Xiaoying Sun; Rui Ding; Zhi-hong Qian; Shu-xun Wang
Fourth order accurate evaluation of integrals in potential theory on exterior 3D regions
We present two methods for the rapid, high order accurate evaluation of integrals in potential theory on general, unbounded 3D regions. Our methods allow for direct calculation of derivatives of the integrals as well. One of the methods uses a fourth ... Keywords: High order, Integrals and their derivatives, Potential theory, Unbounded 3D regions
Anita Mayo; Anne Greenbaum
3D human posture segmentation by spectral clustering with surface normal constraint
In this paper, we propose a new algorithm for partitioning human posture represented by 3D point clouds sampled from the surface of human body. The algorithm is formed as a constrained extension of the recently developed segmentation method, spectral ... Keywords: 3D human posture segmentation, Constrained spectral clustering
Jun Cheng; Maoying Qiao; Wei Bian; Dacheng Tao
3-D Nano-Fiber Manufacturing by Controlled Pulling of Liquid Polymers using Nano-Probes
3-D Nano-Fiber Manufacturing by Controlled Pulling of Liquid Polymers using Nano-Probes Amrinder S) nano-scale manufacturing tools in this paper. Commercially available Atomic Force Microscope (AFM) systems are mainly limited to 1-D or 2-D manipulation tasks, and advanced 3-D nano
Sitti, Metin
Test Beam Results of 3D Silicon Pixel Sensors for the ATLAS upgrade
Results on beam tests of 3D silicon pixel sensors aimed at the ATLAS Insertable-B-Layer and High Luminosity LHC (HL-LHC) upgrades are presented. Measurements include charge collection, tracking efficiency and charge sharing between pixel cells, as a function of track incident angle, and were performed with and without a 1.6 T magnetic field oriented as the ATLAS Inner Detector solenoid field. Sensors were bump bonded to the front-end chip currently used in the ATLAS pixel detector. Full 3D sensors, with electrodes penetrating through the entire wafer thickness and active edge, and double-sided 3D sensors with partially overlapping bias and read-out electrodes were tested and showed comparable performance. Full and partial 3D pixel detectors have been tested, with and without a 1.6T magnetic field, in high energy pion beams at the CERN SPS North Area in 2009. Sensors characteristics have been measured as a function of the beam incident angle and compared to a regular planar pixel device. Overall full and partial 3D devices have similar behavior. Magnetic field has no sizeable effect on 3D performances. Due to electrode inefficiency 3D devices exhibit some loss of tracking efficiency for normal incident tracks but recover full efficiency with tilted tracks. As expected due to the electric field configuration 3D sensors have little charge sharing between cells.
Grenier, P.; /SLAC; Alimonti, G.; /INFN, Milan; Barbero, M.; /Bonn U.; Bates, R.; /Glasgow U.; Bolle, E.; /Oslo U.; Borri, M.; /Manchester U.; Boscardin, M.; /Fond. Bruno Kessler, Povo; Buttar, C.; /Glasgow U.; Capua, M.; /Calabria U. /INFN, Cosenza; Cavalli-Sforza, M.; /Barcelona, IFAE; Cobal, M.; /Udine U. /INFN, Udine; Cristofoli, A.; /Udine U. /INFN, Udine; Dalla Betta, G.F.; /Trento U. /INFN, Trento; Darbo, G.; /INFN, Genoa; Da Via, C.; /Manchester U.; Devetak, E.; /SUNY, Stony Brook; DeWilde, B.; /SUNY, Stony Brook; Di Girolamo, B.; /CERN; Dobos, D.; /CERN; Einsweiler, K.; /LBL, Berkeley; Esseni, D.; /Udine U. /INFN, Udine /Calabria U. /INFN, Cosenza /Barcelona, Inst. Microelectron. /Manchester U. /CERN /LBL, Berkeley /INFN, Genoa /INFN, Genoa /Udine U. /INFN, Udine /Oslo U. /ICREA, Barcelona /Barcelona, IFAE /SINTEF, Oslo /SINTEF, Oslo /SLAC /SLAC /Bergen U. /New Mexico U. /Bonn U. /SLAC /Freiburg U. /VTT Electronics, Espoo /Bonn U. /SLAC /Freiburg U. /SLAC /SINTEF, Oslo /Manchester U. /Barcelona, IFAE /Bonn U. /Bonn U. /CERN /Manchester U. /SINTEF, Oslo /Barcelona, Inst. Microelectron. /Calabria U. /INFN, Cosenza /Udine U. /INFN, Udine /Manchester U. /VTT Electronics, Espoo /Glasgow U. /Barcelona, IFAE /Udine U. /INFN, Udine /Hawaii U. /Freiburg U. /Manchester U. /Barcelona, Inst. Microelectron. /CERN /Fond. Bruno Kessler, Povo /Prague, Tech. U. /Trento U. /INFN, Trento /CERN /Oslo U. /Fond. Bruno Kessler, Povo /INFN, Genoa /INFN, Genoa /Bergen U. /New Mexico U. /Udine U. /INFN, Udine /SLAC /Oslo U. /Prague, Tech. U. /Oslo U. /Bergen U. /SUNY, Stony Brook /SLAC /Calabria U. /INFN, Cosenza /Manchester U. /Bonn U. /SUNY, Stony Brook /Manchester U. /Bonn U. /SLAC /Fond. Bruno Kessler, Povo
GPU accelerated simulations of 3D deterministic particle transport using discrete ordinates method
Graphics Processing Unit (GPU), originally developed for real-time, high-definition 3D graphics in computer games, now provides great faculty in solving scientific applications. The basis of particle transport simulation is the time-dependent, multi-group, ... Keywords: CUDA, Discrete ordinates (Sn) method, GPU, Particle transport, Sweep3D
Chunye Gong; Jie Liu; Lihua Chi; Haowei Huang; Jingyue Fang; Zhenghu Gong
Explicit transient thermal simulation of liquid-cooled 3D ICs
The high heat flux and compact structure of three-dimensional circuits (3D ICs) make conventional air-cooled devices more subsceptible to overheating. Liquid cooling is an alternative that can improve heat dissipation, and reduce thermal issues. Fast ... Keywords: 3D ICs, compact thermal model, finite difference method, liquid-cooling
Alain Fourmigue, Giovanni Beltrame, Gabriela Nicolescu
Geometric Approach to Hole Segmentation and Hole Closing in 3D Volumetric Objects
Hole segmentation (or hole filling) and hole closing in 3D volumetric objects, visualised in tomographic images, has many potential applications in material science and medicine. On the other hand there is no algorithm for hole segmentation in 3D volumetric ...
Marcin Janaszewski; Michel Couprie; Laurent Babout
Gravity observations and 3D structure of the Earth , F. Chambat
1 Gravity observations and 3D structure of the Earth Y. Ricard1 , F. Chambat Laboratoire des, Michigan-Ann Harbor University, USA. Short title: GRAVITY OBSERVATIONS AND 3D STRUCTURE OF THE EARTH 1. The determination of Earth's gravity field has benefited from various gravity missions that have been launched
Optical systems fabricated by printing-based assembly
Provided are optical devices and systems fabricated, at least in part, via printing-based assembly and integration of device components. In specific embodiments the present invention provides light emitting systems, light collecting systems, light sensing systems and photovoltaic systems comprising printable semiconductor elements, including large area, high performance macroelectronic devices. Optical systems of the present invention comprise semiconductor elements assembled, organized and/or integrated with other device components via printing techniques that exhibit performance characteristics and functionality comparable to single crystalline semiconductor based devices fabricated using conventional high temperature processing methods. Optical systems of the present invention have device geometries and configurations, such as form factors, component densities, and component positions, accessed by printing that provide a range of useful device functionalities. Optical systems of the present invention include devices and device arrays exhibiting a range of useful physical and mechanical properties including flexibility, shapeability, conformability and stretchablity.
Rogers, John (Champaign, IL); Nuzzo, Ralph (Champaign, IL); Meitl, Matthew (Durham, NC); Menard, Etienne (Durham, NC); Baca, Alfred J. (Urbana, IL); Motala, Michael (Champaign, IL); Ahn, Jong-Hyun (Suwon, KR); Park, Sang-II (Savoy, IL); Yu; Chang-Jae (Urbana, IL); Ko, Heung-Cho (Gwangju, KR); Stoykovich; Mark (Dover, NH); Yoon, Jongseung (Urbana, IL)
EELE408 Photovoltaics Lecture 16: Silicon Solar Cell Fabrication Techniques
1 EELE408 Photovoltaics Lecture 16: Silicon Solar Cell Fabrication Techniques Dr. Todd J. Kaiser - Bozeman Screen Printed Solar Cells · Starting wafer is about 0.5 mm thick and 10 x 10 cm2. The wafer is p-type and lightly doped with Boron (1016/cm3) 2 Screen Printed Solar Cells · Saw Damage Etch The starting wafer
Kaiser, Todd J.
3D View Inside the Skeleton with X-ray Microscopy: Imaging Bone at the
3D View Inside the Skeleton with X-ray Microscopy: Imaging Bone 3D View Inside the Skeleton with X-ray Microscopy: Imaging Bone at the Nanoscale Scientists studying osteoporosis and other skeletal diseases are interested in the 3D structure of bone and its responses to conditions such as weightlessness, radiation (of particular interest to astronauts) and vitamin D deficiency. The current gold standard, micro-computed tomography (micro-CT), provides 3D images of trabeculae, the small interior struts of bone tissue, and electron microscopy can provide nanometer resolution of thin tissue slices. Hard X-ray transmission microscopy has provided the first 3D view of bone structure within individual trabeculae on the nanoscale. figure 1 Figure 1 Micro-CT (left) shows trabecular structure inside of bone. Transmission X-ray microscopy (TXM; center and right) can reveal localized details of osteocyte lacunae and their processes.
Predicting the Electronic Properties of 3D, Million-atom Semiconductor nanostructure Architectures
This final report describes the work done by Jack Dongarra (University Distinguished Professor) and Stanimire Tomov (Research Scientist) related to the DOE project entitled Predicting the Electronic Properties of 3D, Million-Atom Semiconductor Nanostructure Architectures. In this project we addressed the mathematical methodology required to calculate the electronic and transport properties of large nanostructures with comparable accuracy and reliability to that of current ab initio methods. This capability is critical for further developing the field, yet it is missing in all the existing computational methods. Additionally, quantitative comparisons with experiments are often needed for a qualitative understanding of the physics, and for guiding the design of new nanostructures. We focused on the mathematical challenges of the project, in particular on solvers and preconditioners for large scale eigenvalue problems that occur in the computation of electronic states of large nanosystems. Usually, the states of interest lie in the interior of the spectrum and their computation poses great difficulties for existing algorithms. The electronic properties of a semiconductor nanostructure architecture can be predicted/determined by computing its band structure. Of particular importance are the 'band edge states' (electronic states near the energy gap) which can be computed from a properly defined interior eigenvalue problem. Our primary mathematics and computational challenge here has been to develop an efficient solution methodology for finding these interior states for very large systems. Our work has produced excellent results in terms of developing both new and extending current state-of-the-art techniques.
Jack Dongarra; Stanimire Tomov
Heritable Genetic Changes in Cells Recovered From Irradiated 3D Tissue Contracts
Combining contemporary cytogenetic methods with DNA CGH microarray technology and chromosome flow-sorting increases substantially the ability to resolve exchange breakpoints associated with interstitial deletions and translocations, allowing the consequences of radiation damage to be directly measured at low doses, while also providing valuable insights into molecular mechanisms of misrepair processes that, in turn, identify appropriate biophysical models of risk at low doses. The aims of this work apply to cells recovered from 3D tissue constructs of human skin and, for the purpose of comparison, the same cells irradiated in traditional 2D cultures. These aims are: to analyze by multi-flour fluorescence in situ hybridization (mFISH) the chromosomes in clonal descendents of individual human fibroblasts that were previously irradiated; to examine irradiated clones from Aim 1 for submicroscopic deletions by subjecting their DNA to comparative genomic hybridization (CGH) microarray analysis; and to flow-sort aberrant chromosomes from clones containing stable radiation-induced translocations and map the breakpoints to within an average resolution of 100 kb using the technique of �array painting�.
Cornforth, Michael N [The University of Texas Medical Branch at Galveston
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FISH: A 3D parallel MHD code for astrophysical applications
FISH is a fast and simple ideal magneto-hydrodynamics code that scales to ~10 000 processes for a Cartesian computational domain of ~1000^3 cells. The simplicity of FISH has been achieved by the rigorous application of the operator splitting technique, while second order accuracy is maintained by the symmetric ordering of the operators. Between directional sweeps, the three-dimensional data is rotated in memory so that the sweep is always performed in a cache-efficient way along the direction of contiguous memory. Hence, the code only requires a one-dimensional description of the conservation equations to be solved. This approach also enable an elegant novel parallelisation of the code that is based on persistent communications with MPI for cubic domain decomposition on machines with distributed memory. This scheme is then combined with an additional OpenMP parallelisation of different sweeps that can take advantage of clusters of shared memory. We document the detailed implementation of a second order TVD ad...
Kaeppeli, R; Scheidegger, S; Pen, U -L; Liebend�rfer, M
Hydraulic Fracture Optimization with a Pseudo-3D Model in Multi-layered Lithology
Hydraulic Fracturing is a technique to accelerate production and enhance ultimate recovery of oil and gas while fracture geometry is an important aspect in hydraulic fracturing design and optimization. Systematic design procedures are available based on the so-called two-dimensional models (2D) focus on the optimization of fracture length and width, assuming one can estimate a value for fracture height, while so-called pseudo three dimensional (p-3D) models suitable for multi-layered reservoirs aim to maximize well production by optimizing fracture geometry, including fracture height, half-length and width at the end of the stimulation treatment. The proposed p-3D approach to design integrates four parts: 1) containment layers discretization to allow for a range of plausible fracture heights, 2) the Unified Fracture Design (UFD) model to calculate the fracture half-length and width, 3) the PKN or KGD models to predict hydraulic fracture geometry and the associated net pressure and other treatment parameters, and, finally, 4) Linear Elastic Fracture Mechanics (LEFM) to calculate fracture height. The aim is to find convergence of fracture height and net pressure. Net pressure distribution plays an important role when the fracture is propagating in the reservoir. In multi-layered reservoirs, the net pressure of each layer varies as a result of different rock properties. This study considers the contributions of all layers to the stress intensity factor at the fracture tips to find the final equilibrium height defined by the condition where the fracture toughness equals the calculated stress intensity factor based on LEFM. Other than maximizing production, another obvious application of this research is to prevent the fracture from propagating into unintended layers (i.e. gas cap and/or aquifer). Therefore, this study can aid fracture design by pointing out: (1) Treating pressure needed to optimize fracture geometry, (2) The containment top and bottom layers of a multi-layered reservoir, (3) The upwards and downwards growth of the fracture tip from the crack center.
Yang, Mei
3-D Electrical Resistivity Tomography for Cliff Stability Assessment at Pointe du Hoc in Normandy, France
Pointe du Hoc overlooking the English Channel in Normandy, France was host to one of the most important military engagements of World War II. While the site is a valuable historic cultural resource, it is vulnerable to cliff collapses that already have endangered the observation post and Rudder?s command post. The observation post has been closed to visitors for some time due to safety concerns. Geophysical techniques have been used increasingly in recent years for slope stability investigation purposes. The objective of this study is to apply advanced 3?D resistivity tomography toward a detailed site stability assessment with special attention to the two at-risk buildings. 3?D resistivity tomography datasets at Pointe du Hoc in the presence of extreme topography and dense cultural clutter have been successfully acquired, inverted, and interpreted. The cliff stability in the areas around the two at?risk buildings has been analyzed. A hazard assessment scheme has been designed in which regions of high resistivity are interpreted as zones of open, dry fractures with a moderate mass movement potential. Regions of low resistivity are zones of wet, clay?filled fractures with a high mass movement potential. The observation post tomography results indicate that the highest mass movement hazard appears to be associated with the marine caverns at the base of the cliff that are positioned at the point of strongest wave attack. These caverns likely occupy the future site of development of a sea arch which will definitely threaten the observation post building. A high probability of a soil wedge failure is on the east?facing cliff edge close to the observation post that could damage or destroy the building. The mass movement potential at the Rudder?s command post area is low to moderate. The greatest risk is associated with soil wedge failures at the top of the cliffs. The resistivity geophysical data add great value to the natural geohazard assessment at Pointe du Hoc and constitute an integral component of an interdisciplinary approach to the problem of cultural resource preservation at the site. Geophysics is a non?invasive and relatively inexpensive technology that provides unique constraints which are unobtainable using traditional engineering geology methods for site characterization. However, the technology is difficult to master and the inherent limitations must be carefully understood to ensure a reliable geotechnical interpretation.
Udphuay, Suwimon
The goal of this project was to develop a method to exploit viscoelastic rock and fluid properties to greatly enhance the sensitivity of surface seismic measurements to the presence of hydrocarbon saturation. To reach the objective, Southwest Research Institute scientists used well log, lithology, production, and 3D seismic data from an oil reservoir located on the Waggoner Ranch in north central Texas. The project was organized in three phases. In the first phase, we applied modeling techniques to investigate seismic- and acoustic-frequency wave attenuation and its effect on observable wave attributes. We also gathered existing data and acquired new data from the Waggoner Ranch field, so that all needed information was in place for the second phase. During the second phase, we developed methods to extract attenuation from borehole acoustic and surface seismic data. These methods were tested on synthetic data constructed from realistic models and real data. In the third and final phase of the project, we applied this technology to a full data set from the Waggoner site. The results presented in this Final Report show that geological conditions at the site did not allow us to obtain interpretable results from the Q processing algorithm for 3D seismic data. However, the Q-log processing algorithm was successfully applied to full waveform sonic data from the Waggoner site. A significant part of this project was technology transfer. We have published several papers and conducted presentations at professional conferences. In particular, we presented the Q-log algorithm and applications at the Society of Exploration Geophysicists (SEG) Development and Production Forum in Austin, Texas, in May 2005. The presentation attracted significant interest from the attendees and, at the request of the SEG delegates, it was placed on the Southwest Research Institute Internet site. The presentation can be obtained from the following link: http://www.swri.org/4org/d15/elecsys/resgeo/ppt/Algorithm.pps In addition, we presented a second application of the Q algorithm at the SEG International Conference in Houston, Texas, in May 2005. The presentation attracted significant interest there as well, and it can be obtained from the following link: http://www.swri.org/4org/d15/elecsys/resgeo/ppt/attenuation.pps.
Jorge O. Parra; C.L. Hackert; L. Wilson; H.A. Collier; J. Todd Thomas
Metric deformation and boundary value problems in 3D
A novel perturbative method, proposed by Panda {\\it et al.} [1] to solve the Helmholtz equation in two dimensions, is extended to three dimensions for general boundary surfaces. Although a few numerical works are available in the literature for specific domains in three dimensions such a general analytical prescription is presented for the first time. An appropriate transformation is used to get rid of the asymmetries in the domain boundary by mapping the boundary into an equivalent sphere with a deformed interior metric. The deformed metric produces new source terms in the original homogeneous equation. A deformation parameter measuring the deviation of the boundary from a spherical one is introduced as a perturbative parameter. With the help of standard Rayleigh-Schr{\\"o}dinger perturbative technique the transformed equation is solved and the general solution is written down in a closed form at each order of perturbation. The solutions are boundary condition free and which make them widely applicable for various situations. Once the boundary conditions are applied to these general solutions the eigenvalues and the wavefunctions are obtained order by order. The efficacy of the method has been tested by comparing the analytic values against the numerical ones for three dimensional enclosures of various shapes. The method seems to work quite well for these shapes for both, Dirichlet as well as Neumann boundary conditions. The usage of spherical harmonics to express the asymmetries in the boundary surfaces helps us to consider a wide class of domains in three dimensions and also their fast convergence guarantees the convergence of the perturbative series for the energy. Direct applications of this method can be found in the field of quantum dots, nuclear physics, acoustical and electromagnetic cavities.
Subhasis Panda; S. Pratik Khastgir
Parameterization and Analysis of 3-D Solar Radiative Transfer in Clouds: Final Report
This document reports on the research that we have done over the course of our two-year project. The report also covers the research done on this project during a 1 year no-cost extension of the grant. Our work has had two main, inter-related thrusts: The first thrust was to characterize the response of stratocumulus cloud structure and dynamics to systematic changes in cloud infrared radiative cooling and solar heating using one-dimensional radiative transfer models. The second was to couple a three-dimensional (3-D) solar radiative transfer model to the Large Eddy Simulation (LES) model that we use to simulate stratocumulus. The purpose of the studies with 3-D radiative transfer was to examine the possible influences of 3-D photon transport on the structure, evolution, and radiative properties of stratocumulus. While 3-D radiative transport has been examined in static cloud environments, few studies have attempted to examine whether the 3-D nature of radiative absorption and emission influence the structure and evolution of stratocumulus. We undertook this dual approach because only a small number of LES simulations with the 3-D radiative transfer model are possible due to the high computational costs. Consequently, LES simulations with a 1-D radiative transfer solver were used in order to examine the portions of stratocumulus parameter space that may be most sensitive to perturbations in the radiative fields. The goal was then to explore these sensitive regions with LES using full 3-D radiative transfer. Our overall goal was to discover whether 3-D radiative processes alter cloud structure and evolution, and whether this may have any indirect implications for cloud radiative properties. In addition, we collaborated with Dr. Tamas Varni, providing model output fields for his attempt at parameterizing 3-D radiative effects for cloud models.
Jerry Y. Harrington
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f358-7e07-4921-bea9-f9c658461f3d f358-7e07-4921-bea9-f9c658461f3d No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: NSTAR Electric Company Effective date: 2012/06/01 End date if known: Rate name: ACTON - Residential R-2 (A-3) Sector: Residential Description: Upon written application, this rate is available for all domestic uses in a single private dwelling, in an individual apartment or in a residential condominium to any Customer meeting the qualifications stated in the special provisions section of this rate. Service under this rate to residential condominiums is available to the extent permitted by applicable regulations of the Massachusetts Department of Public Utilities (the "M.D.P.U.") and is subject to both the Company's printed requirements and the Company's Terms and Conditions - Distribution Service, each as in effect from time to time.
Data:3ee41548-4821-40db-a9de-6a36302c3d29 | Open Energy Information
1548-4821-40db-a9de-6a36302c3d29 1548-4821-40db-a9de-6a36302c3d29 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: NSTAR Electric Company Effective date: 2012/06/01 End date if known: Rate name: ACUSHNET All Electric School G-6 (22)CLC Sector: Commercial Description: This rate is available only at existing service locations to Customers who were taking service as of February 8, 1980 under an all-electric school rate schedule or under a special contract for all-electric school service. This rate is available for annual service in public and private school buildings where electricity supplies the total energy requirements of the premises served. The design and installation of electrical equipment for space heating, water heating, cooking and other purposes shall be acceptable to the Company. This rate is subject to the Company's printed requirements and the Company's Terms and Conditions - Distribution Service, each as in effect from time to time.
RELAP5-3D is used worldwide for analyzing nuclear reactors under both operational transients and postulated accident conditions. Development of the RELAP code series began in 1975 and since that time the code has been continuously improved, enhanced, verified and validated [1]. Since RELAP5-3D will continue to be the premier thermal hydraulics tool well into the future, it is necessary to modernize the code to accommodate the incorporation of additional capabilities to support the development of the next generation of nuclear reactors [2]. This paper discusses the reengineering of RELAP5-3D into structured code.
Donna Post Guillen; George L. Mesina; Joshua M. Hykes
An exact methodology for scheduling in a 3D design space
Abstract: This paper describes an exact solution methodology, implemented in Rensselaer's Voyager design space exploration system, for solving the scheduling problem in a 3-dimensional (3D) design space: the usual 2D design space (which trades off area ... Keywords: 2D design space, 3D design space, 3D scheduling problem, Voyager design space exploration system, candidate clock lengths, clock length, clocks, globally optimal solution, high level synthesis, network synthesis, optimisation, schedule length, scheduling, search problems, search space pruning, three dimensional scheduling, three-dimensional design space, tight bounds, two dimensional design space
Samit Chaudhuri; Stephen A. Blythe; Robert A. Walker
E-Print Network 3.0 - User Login
Home About Advanced Search Browse by Discipline Scientific Societies E-print Alerts Add E-prints E-print Network E-print Network Skip to main content FAQ * HELP * SITE MAP *...
Data:978f1b5f-3c3d-4e3d-a651-4a9ca2555504 | Open Energy Information
b5f-3c3d-4e3d-a651-4a9ca2555504 b5f-3c3d-4e3d-a651-4a9ca2555504 No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: Monroe County Elec Coop, Inc Effective date: 2013/04/01 End date if known: Rate name: Security Lights(Metered 100 W.H.P Sodium) Sector: Commercial Description: Unmetered automatic Mercury Vapor Lighting and High Pressure Lighting, shall be available to consumers of the cooperative at the following rates and conditions. Source or reference: http://www.mcec.org/Documents/2013%20Rates.pdf Source Parent: Comments Applicability Demand (kW) Minimum (kW): Maximum (kW): History (months): Energy (kWh)
Data:E3328df7-d3d1-4cbd-a401-28a212f65c3d | Open Energy Information
df7-d3d1-4cbd-a401-28a212f65c3d df7-d3d1-4cbd-a401-28a212f65c3d No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: City of Forsyth, Georgia (Utility Company) Effective date: 2008/06/03 End date if known: Rate name: Municiple Power Sector: Commercial Description: To all electric service with one standard voltage required on the customer's premises,delivered at one point and metered at or compensated to that voltage. Source or reference: Rate Binder#2 Source Parent: Comments Applicability Demand (kW) Minimum (kW): Maximum (kW): History (months): Energy (kWh) Minimum (kWh): Maximum (kWh): History (months):
Data:E980e058-ab13-47ed-a9a4-cac3d64b3d1b | Open Energy Information
80e058-ab13-47ed-a9a4-cac3d64b3d1b 80e058-ab13-47ed-a9a4-cac3d64b3d1b No revision has been approved for this page. It is currently under review by our subject matter experts. Jump to: navigation, search Loading... 1. Basic Information 2. Demand 3. Energy << Previous 1 2 3 Next >> Basic Information Utility name: Public Service Co of Colorado Effective date: 2010/06/01 End date if known: Rate name: CUSTOMER-OWNED LIGHTING SERVICE - SCHEDULE COL - Induction 165w Sector: Lighting Description: Applicable to the Colorado Department of Transportation and municipalities for Customer-Owned Lighting Service. This rate schedule is subject to all applicable Electric Rate Adjustments as on file and in effect in this tariff. Source or reference: http://www.xcelenergy.com/staticfiles/xe/Regulatory/Regulatory%20PDFs/psco_elec_entire_tariff.pdf
3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal Field,
3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal Field, 3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal Field, Indonesia Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Conference Paper: 3-D Interpretation Of Magnetotelluric Data At The Bajawa Geothermal Field, Indonesia Details Activities (0) Areas (0) Regions (0) Abstract: Three-dimensional (3-D) interpretation was carried out for the magnetotelluric (MT) data obtained in a geothermal area in Indonesia. The inversion scheme was based on the linearized leastsquares method with smoothness regularization. In addition to the subsurface resistivity structure, static shifts were also included as unknown parameters in the inversion. Forward modeling was by the finite difference scheme. The sensitivity matrix was computed once for a homogeneous half space and used
Photo of the Week: Improving Power Plant Technology... in 3-D | Department
Improving Power Plant Technology... in 3-D Improving Power Plant Technology... in 3-D Photo of the Week: Improving Power Plant Technology... in 3-D June 6, 2013 - 12:58pm Addthis This week, Secretary Ernest Moniz experienced the 3-D visualizations at the Consortium for the Advanced Simulation of Light Water Reactors (CASL), one of the Department's Energy Innovation Hubs. The facility, located at Oak Ridge National Laboratory, develops computer models that simulate nuclear power plant operations. The researchers at CASL are developing technology that could accelerate upgrades at existing nuclear plants while improving the plants' reliability and safety. Check out more photos from Secretary Moniz's visit to CASL. | Photo courtesy of Oak Ridge National Laboratory.
Roaming Mars and Space: 3D Technology Exploration from Home | Department of
Roaming Mars and Space: 3D Technology Exploration from Home Roaming Mars and Space: 3D Technology Exploration from Home Roaming Mars and Space: 3D Technology Exploration from Home November 5, 2013 - 11:55am Addthis Explore Mars and the solar system at mars.webmaker.org. | Courtesy of mars.webmaker.org. Explore Mars and the solar system at mars.webmaker.org. | Courtesy of mars.webmaker.org. Linda Silverman Team Lead, Education and Workforce Development Erin Twamley Project and Web Manager, Education & Workforce Development KEY FACTS The Mars exploration units are 100% free and open source. You can use them in any learning setting - free of charge - and play around with the source code! Kuda is an open-source application for building 3D simulations like
Geek-Up[6.17.2011]: Metallic Glass and 3D Plasmon Rulers | Department of
7.2011]: Metallic Glass and 3D Plasmon Rulers 7.2011]: Metallic Glass and 3D Plasmon Rulers Geek-Up[6.17.2011]: Metallic Glass and 3D Plasmon Rulers June 17, 2011 - 5:41pm Addthis Check out a short animation of a 3D plasmon ruler as it delivers optical information about the structural dynamics of an attached protein and read more below. Niketa Kumar Niketa Kumar Public Affairs Specialist, Office of Public Affairs What does this mean for me? The discovery of a new property of glass offers new insight into the atomic structure and behavior of metallic glasses, which are in products such as anti-theft tags and power transformers. A new ruler could help provide scientists with unprecedented details into a variety of biological events, including the interaction between DNA and enzymes, protein folding and cell membrane vibrations.
Optimization and validation of discontinuous Galerkin Code for the 3D Navier-Stokes equations
From residual and Jacobian assembly to the linear solve, the components of a high-order, Discontinuous Galerkin Finite Element Method (DGFEM) for the Navier-Stokes equations in 3D are presented. Emphasis is given to residual ...
Liu, Eric Hung-Lin
3D design tools improve efficiency and accuracy of a Hanford site nuclear waste storage project
The complex effort of cleaning up the Hanford K Basins is separated into several individual projects. Fluor Hanford and Fluor Federal Services modeled key elements using a 3D parametric modeling program for mechanical design with training animations.
A New Approach in Metal Artifact Reduction for CT 3D Reconstruction
The 3D representation of CT scans is widely used in medical application such as virtual endoscopy, plastic reconstructive surgery, dental implant planning systems and more. Metallic objects present in CT studies cause strong artifacts like beam hardening ...
Valery Naranjo; Roberto Llorens; Patricia Paniagua; Mariano Alca�iz; Salvador Albalat
Sensitivity Analysis of a 3D Convective Storm: Implications for Variational Data Assimilation and Forecast Error
In this study a nonhydrostatic 3D cloud model, along with an automatic differentiation tool, is used to investigate the sensitivity of a supercell storm to prescribed errors (perturbations) in the water vapor field. The evolution of individual ...
Seon Ki Park; Kelvin K. Droegemeier
Achieving eye contact in a one-to-many 3D video teleconferencing system
We present a set of algorithms and an associated display system capable of producing correctly rendered eye contact between a three-dimensionally transmitted remote participant and a group of observers in a 3D teleconferencing system. The participant's ...
Andrew Jones; Magnus Lang; Graham Fyffe; Xueming Yu; Jay Busch; Ian McDowall; Mark Bolas; Paul Debevec
Longwave 3D Benchmarks for Inhomogeneous Clouds and Comparisons with Approximate Methods
The purpose of this study is twofold: to (i) establish three-dimensional (3D) longwave radiative transfer benchmarks for inhomogeneous cloud fields and (ii) compare the results with three approximate, 1D methods. The benchmark results are ...
George P. Kablick III; Robert G. Ellingson; Ezra E. Takara; Jlujing Gu
1-2-3D Heat Transfer Simulation Software for Buildings by Physibel
1-2-3D Heat Transfer Simulation Software for Buildings by Physibel Speaker(s): Piet Standaert Date: August 8, 2002 - 12:00pm Location: Bldg. 90 Seminar HostPoint of Contact:...
3D Surface Representations The computing community recognizes the tremendous impact that data
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Scarlatos, Lori
3D/4D/5D visualization of material at nano-scale using Transmission...
3D4D5D visualization of material at nano-scale using Transmission X-ray Microscopy Wednesday, May 22, 2013 - 3:00pm SLAC, Redtail Hawk Conference Room 108A Yijin Liu, SSRL The...
Thrift: Local 3D Structure Recognition Alex Flint, Anthony Dick, Anton van den Hengel
Thrift: Local 3D Structure Recognition Alex Flint, Anthony Dick, Anton van den Hengel School of Computer Science The University of Adelaide North Terrace, Adelaide, 5005 South Australia, Australia {alex.flint
van den Hengel, Anton
A Correction Method for Turbulence Measurements with a 3D Acoustic Doppler Velocity Profiler
A method is proposed to reduce the noise contribution to mean turbulence parameters obtained by 3D acoustic Doppler velocity profiler measurements. It is based on a noise spectrum reconstruction from cross-spectra evaluations of two independent ...
D. Hurther; U. Lemmin
Hot embossing for fabrication of a microfluidic 3D cell culture
Clinically relevant studies of cell function in vitro require a physiologically-representative microenvironment possessing aspects such as a 3D extracellular matrix (ECM) and controlled biochemical and biophysical parameters. ...
Jeon, Jessie S.
Exponential Mixing of the 3D Stochastic Navier-Stokes Equations Driven by Mildly Degenerate Noises
We prove the strong Feller property and exponential mixing for 3D stochastic Navier-Stokes equation driven by mildly degenerate noises (i.e. all but finitely many Fourier modes being forced) via a Kolmogorov equation approach.
Albeverio, Sergio [Bonn University, Department of Applied Mathematics (Germany); Debussche, Arnaud, E-mail: firstname.lastname@example.com [ENS Cachan Bretagne and IRMAR Campus de Ker Lann (France); Xu Lihu, E-mail: firstname.lastname@example.com [Brunel University, Mathematics Department (United Kingdom)
Digitisation and 3D Reconstruction of 30 Year Old Microscopic Sections of Human Embryo, Foetus
of our approach, we show a multi-planar reconstruction and a 3-D direct volume rendering, or thin partitions, found within the orbital fat. De Haan studied the development of the bones
The design and implementation of a 3D graphics pipeline for the raw reconfigurable architecture
This thesis presents the design and implementation of a 3D graphics pipeline, built on top of the "Raw" processor developed at MIT. The Raw processor consists of a tiled array of CPUs, caches, and routing processors connected ...
Taylor, Kenneth William, 1980-
3-D Nano-mechanics of an Erythrocyte Junctional Comples in Equibiaxial and Anisotropic Deformations
3-D Nano-mechanics of an Erythrocyte Junctional Complex inCA, 92093, USA Running title: Nano-mechanics of Erythrocytefashion. This newly predicted nano-mechanics in response to
Vera, Carlos; Skelton, Robert; Sung, Amy
A novel thermal optimization flow using incremental floorplanning for 3D ICs
Thermal issue is a critical challenge in 3D IC design. To eliminate hotspots, physical layouts are always adjusted by shifting or duplicating hot blocks. However, these modifications may degrade the packing area as well as interconnect distribution greatly. ...
Xin Li; Yuchun Ma; Xianlong Hong
L.D. Sturges. Engineering Mechanics: Dynamics. Wiley, 1995.3-D Nano-mechanics of an Erythrocyte Junctional Complex inUSA Running title: Nano-mechanics of Erythrocyte Junctional
TBAG: a high level framework for interactive, animated 3D graphics applications
We present a paradigm and toolkit for rapid prototyping of interactive, animated 3D graphics programs. The paradigm has its roots in declarative programming, emphasizing immutable values, first class functions, and relations, applying these concepts ... Keywords: local propagation constraints
Conal Elliott; Greg Schechter; Ricky Yeung; Salim Abi-Ezzi
3D Atmospheric Radiative Transfer for Cloud System-Resolving Models: Forward Modelling and Observations
Utilization of cloud-resolving models and multi-dimensional radiative transfer models to investigate the importance of 3D radiation effects on the numerical simulation of cloud fields and their properties.
Howard Barker; Jason Cole
Tracking random finite objects using 3D-LIDAR in marine environments
This paper presents a random finite set theoretic formulation for multi-object tracking as perceived by a 3D-LIDAR in a dynamic environment. It is mainly concerned with the joint detection and estimation of the unknown and ...
Lee, Kwang Wee
Volume Scanning Strategies for 3D Wind Retrieval from Dual-Doppler Lidar Measurements
Dual-Doppler lidar volume scans for 3D wind retrieval must accommodate the conflicting goals of dense spatial coverage and short scan duration. In this work, various scanning strategies are evaluated with semisynthetic wind fields from analytical ...
Susanne Drechsel; Georg J. Mayr; Michel Chong; Fotini K. Chow
Development of a high throughput 3D perfused liver tissue bioreactor
This thesis describes the development of a device designed for culturing liver tissue in a 3D perfused environment. Cells form tissue inside miniature channels of a scaffold, and the tissue is perfused with culture medium ...
Inman, Samuel Walker
Why 3D Printers Might Create the Next Robotic Champion | Department of
Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion Why 3D Printers Might Create the Next Robotic Champion December 11, 2013 - 4:18pm Addthis As the nation's premier research laboratory, Oak Ridge National Laboratory is one of the world's most capable resources for transforming the next generation of scientific discovery into solutions for rebuilding and revitalizing America's manufacturing industries, with tools like 3D printers. Dot Harris Dot Harris The Honorable Dot Harris, Director, Office of Economic Impact and Diversity The Department of Energy and its partners are adding a new dimension to science, technology, engineering and math education (STEM). This December, high school teams competing in the FIRST Robotics Competition should be racing over to this FIRST Robotics website to put in their bid for a free
3-D Density Model Of Mt Etna Volcano (Southern Italy) | Open Energy
3-D Density Model Of Mt Etna Volcano (Southern Italy) 3-D Density Model Of Mt Etna Volcano (Southern Italy) Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: 3-D Density Model Of Mt Etna Volcano (Southern Italy) Details Activities (0) Areas (0) Regions (0) Abstract: A detailed density model of Mt. Etna and its surrounding areas has been evaluated using a 3-D inversion of the gravimetric data acquired in the 1980's. Several high-density and low-density bodies are found, penetrating from shallow depths as far down as 12 km bsl. A positive correlation (in terms of location, extent, density, and velocity) is established between several anomalies of the density model and features identified in previously published seismic tomographies. A prominent high-density body extending down to 7 km bsl is recognized in the southern
A 3D Magnetic Structure Of Izu-Oshima Volcano And Their Changes After The
Magnetic Structure Of Izu-Oshima Volcano And Their Changes After The Magnetic Structure Of Izu-Oshima Volcano And Their Changes After The Eruption In 1986 As Estimated From Repeated Airborne Magnetic Surveys Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: A 3D Magnetic Structure Of Izu-Oshima Volcano And Their Changes After The Eruption In 1986 As Estimated From Repeated Airborne Magnetic Surveys Details Activities (0) Areas (0) Regions (0) Abstract: A 3D magnetic inversion method using a conjugate gradient method (CG method) was developed for constructing 3D magnetization models of a volcanic edifice and applied to aeromagnetic anomalies of Izu-Oshima Volcano surveyed in 1986 and in 1997. The calculated results of the 1986 data show that the volcanic edifice of Izu-Oshima Volcano has a mean magnetization intensity ranging from 10.4 to 12.1 A/m. The derived 3D
InvenTcl: A Fast Prototyping Environment for 3D Graphics and Multimedia Applications
is ``wrapped'' inside the interpreter Tcl/Tk and [incr Tcl]. To wrap InvenTcl the Open Inventor header files Inventor falls into this category of 3D graphics packages. InvenTcl extends Tcl/Tk/[incr Tcl] by providing teracting with 3D objects. This is achieved by combining the Open Inventor C++ library [21, 9] with the Tcl/Tk
Fels, Sidney S.
Mime: compact, low power 3D gesture sensing for interaction with head mounted displays
We present Mime, a compact, low-power 3D sensor for unencumbered free-form, single-handed gestural interaction with head-mounted displays (HMDs). Mime introduces a real-time signal processing framework that combines a novel three-pixel time-of-flight ... Keywords: 3d sensing, gesture sensing, glasses, hand tracking, head mounted displays, mobile, time-of- flight imaging
Andrea Cola�o, Ahmed Kirmani, Hye Soo Yang, Nan-Wei Gong, Chris Schmandt, Vivek K. Goyal
KENO3D Visualization Tool for KENO V.a and KENO-VI Geometry Models
Criticality safety analyses often require detailed modeling of complex geometries. Effective visualization tools can enhance checking the accuracy of these models. This report describes the KENO3D visualization tool developed at the Oak Ridge National Laboratory (ORNL) to provide visualization of KENO V.a and KENO-VI criticality safety models. The development of KENO3D is part of the current efforts to enhance the SCALE (Standardized Computer Analyses for Licensing Evaluations) computer software system.
Horwedel, J.E.; Bowman, S.M.
Examination of 1D Solar Cell Model Limitations Using 3D SPICE Modeling: Preprint
To examine the limitations of one-dimensional (1D) solar cell modeling, 3D SPICE-based modeling is used to examine in detail the validity of the 1D assumptions as a function of sheet resistance for a model cell. The internal voltages and current densities produced by this modeling give additional insight into the differences between the 1D and 3D models.
McMahon, W. E.; Olson, J. M.; Geisz, J. F.; Friedman, D. J.
Geometric Matching of 3-D Objects: Assessing the Range of Successful Initial Configurations
Abstract: This paper considers the matching of 3D objects by a geometric approach based on the iterative closest point algorithm (ICP), which, starting from an initial configuration of two rigid objects, iteratively finds their best correspondence. The ... Keywords: 3D object geometric matching, SIC-range, convergence, experimental results, global minimum, image correspondence, image matching, iterative closest point algorithm, local minimum, object recognition, optimum matching, rigid object configuration
Oxygen spectral line synthesis: 3D non-LTE with CO5BOLD hydrodynamical model atmospheres
In this work we present first results of our current project aimed at combining the 3D hydrodynamical stellar atmosphere approach with non-LTE (NLTE) spectral line synthesis for a number of key chemical species. We carried out a full 3D-NLTE spectrum synthesis of the oxygen IR 777 nm triplet, using a modified and improved version of our NLTE3D package to calculate departure coefficients for the atomic levels of oxygen in a CO5BOLD 3D hydrodynamical solar model atmosphere. Spectral line synthesis was subsequently performed with the Linfor 3D code. In agreement with previous studies, we find that the lines of the oxygen triplet produce deeper cores under NLTE conditions, due to the diminished line source function in the line forming region. This means that the solar oxygen IR 777 nm lines should be stronger in NLTE, leading to negative 3D NLTE-LTE abundance corrections. Qualitatively this result would support previous claims for a relatively low solar oxygen abundance. Finally, we outline several further steps ...
Prakapavicius, D; Kucinskas, A; Ludwig, H -G; Freytag, B; Caffau, E; Cayrel, R
Natural and Enhanced Attenuation of Chlorinated Solvents Using RT3D
RT3D (Reactive Transport in 3-Dimensions) is a reactive transport code that can be applied to model solute fate and transport for many different purposes. This document specifically addresses application of RT3D for modeling related to evaluation and implementation of Monitored Natural Attenuation (MNA). Selection of MNA as a remedy requires an evaluation process to demonstrate that MNA will meet the remediation goals. The U.S. EPA, through the Office of Solid Waste and Emergency Response (OSWER) Directive 9200.4?17P, provides the regulatory context for the evaluation and implementation of MNA. In a complementary fashion, the context for using fate and transport modeling as part of MNA evaluation is described in the EPA?s technical protocol for chlorinated solvent MNA, the Scenarios Evaluation Tool for Chlorinated Solvent MNA, and in this document. The intent of this document is to describe (1) the context for applying RT3D for chlorinated solvent MNA and (2) the attenuation processes represented in RT3D, (3) dechlorination reactions that may occur, and (4) the general approach for using RT3D reaction modules (including a summary of the RT3D reaction modules that are available) to model fate and transport of chlorinated solvents as part of MNA or for combinations of MNA and selected types of active remediation.
Johnson, Christian D.; Truex, Michael J.; Clement, T P.
Author manuscript, published in "VRST 2010 (2010)" Reconfigurable Tangible Devices for 3D Virtual Object Manipulation by Single or Multiple Users
In this paper we introduce the concept of a Reconfigurable Tangible Device for manipulation of 3D objects in virtual environments by single or multiple users. This Reconfigurable Tangible Device (RTD) provides points of manipulation rigidly linked together. The shape of the RTD can be reconfigured at any time as its arms can be compressed or stretched by users at will. Due to its simple shape the Reconfigurable Tangible Device can be attached to any 3D virtual object. Then, it can fully define the motion of the virtual object in 6 Degrees of Freedom. Two examples of Reconfigurable Tangible Device were developed: one with three points of manipulation (a reconfigurable triangle) and one with four points. We illustrate how these two simple devices can match many different shapes of 3D objects, and in different contexts. Preliminary testing was conducted with the RTD based on three points of manipulation involving a collaborative manipulation task in virtual reality. It produced better subjective appreciation for the RTD compared to more classical 3D collaborative techniques.
Laurent Aguerreche; Universit� Europ�enne De Bretagne; Thierry Duval; Universit� Europ�enne De Bretagne; Anatole L�cuyer; Inria Rennes; Bretagne Atlantique
PalmSpace: Continuous Around-Device Gestures vs. Multitouch for 3D Rotation Tasks on Mobile Devices
Current graphics hardware for mobile devices now allows for rendering sophisticated 3D scenes on mobile on touchscreens caused by the fat finger problem, i.e. occlusion and accu- racy [17], but 3D content itself
1 Underwater 3D SLAM through Entropy Minimization J.M. Sez, A. Hogue, F. Escolano and M. Jenkin
1 Underwater 3D SLAM through Entropy Minimization J.M. Sáez, A. Hogue, F. Escolano and M. Jenkin Underwater 3D SLAM through Entropy Minimization J.M. Sáez*, A. Hogue**, F. Escolano* and M. Jenkin** Underwater 3D SLAM through Entropy Minimization *Robot Vision Group, Dept. de Ciencia de la Computación e
Escolano, Francisco
BEM for 3D unsteady-state flow problems in porous media with a finite-conductivity horizontal wellbore
This paper presents a Boundary Element Method (BEM) for the solution of unsteady-state fluid flow problems in a 3D domain. A general 3D reservoir model was developed in a bounded porous media with Neumann's, Dirichlet's or mixed boundary conditions. ... Keywords: 3D unsteady-state flow problem, BEM, Coupled reservoir/wellbore model, Horizontal well
Yueming Cheng; Duane A. McVay; W. John Lee
On the design of a Dual-Mode User Interface for accessing 3D content on the World Wide Web
The World Wide Web, today's largest and most important online information infrastructure, does not support 3D content and, although various approaches have been proposed, there is still no clear design methodology for user interfaces that tightly integrate ... Keywords: 3D Graphics, 3D Web, Hypertext, User Interface
Jacek Jankowski, Stefan Decker
A global 3D P-velocity model of the Earth's crust and mantle for improved event location : SALSA3D.
To test the hypothesis that high quality 3D Earth models will produce seismic event locations which are more accurate and more precise, we are developing a global 3D P wave velocity model of the Earth's crust and mantle using seismic tomography. In this paper, we present the most recent version of our model, SALSA3D version 1.5, and demonstrate its ability to reduce mislocations for a large set of realizations derived from a carefully chosen set of globally-distributed ground truth events. Our model is derived from the latest version of the Ground Truth (GT) catalog of P and Pn travel time picks assembled by Los Alamos National Laboratory. To prevent over-weighting due to ray path redundancy and to reduce the computational burden, we cluster rays to produce representative rays. Reduction in the total number of ray paths is {approx}50%. The model is represented using the triangular tessellation system described by Ballard et al. (2009), which incorporates variable resolution in both the geographic and radial dimensions. For our starting model, we use a simplified two layer crustal model derived from the Crust 2.0 model over a uniform AK135 mantle. Sufficient damping is used to reduce velocity adjustments so that ray path changes between iterations are small. We obtain proper model smoothness by using progressive grid refinement, refining the grid only around areas with significant velocity changes from the starting model. At each grid refinement level except the last one we limit the number of iterations to prevent convergence thereby preserving aspects of broad features resolved at coarser resolutions. Our approach produces a smooth, multi-resolution model with node density appropriate to both ray coverage and the velocity gradients required by the data. This scheme is computationally expensive, so we use a distributed computing framework based on the Java Parallel Processing Framework, providing us with {approx}400 processors. Resolution of our model is assessed using a variation of the standard checkerboard method. We compare the travel-time prediction and location capabilities of SALSA3D to standard 1D models via location tests on a global event set with GT of 5 km or better. These events generally possess hundreds of Pn and P picks from which we generate different realizations of station distributions, yielding a range of azimuthal coverage and ratios of teleseismic to regional arrivals, with which we test the robustness and quality of relocation. The SALSA3D model reduces mislocation over standard 1D ak135 regardless of Pn to P ratio, with the improvement being most pronounced at higher azimuthal gaps.
Young, Christopher John; Steck, Lee K. (Los Alamos National Laboratory); Phillips, William Scott (Los Alamos National Laboratory); Ballard, Sanford; Chang, Marcus C.; Rowe, Charlotte A. (Los Alamos National Laboratory); Encarnacao, Andre Villanova; Begnaud, Michael A. (Los Alamos National Laboratory); Hipp, James Richard
Print the Fuel Economy Guide
Print the Fuel Economy Guide Print the Fuel Economy Guide 2014 Fuel Economy Guide 2014 Fuel Economy Guide Adobe Acrobat Icon MPG data updated December 19, 2013 The annual fuel cost estimates in the 2008-2014 electronic fuel economy guides are updated weekly to match EIA's current national average prices for gasoline and diesel fuel. Order a printed copy: Order Note that the published guides may not be as up-to-date at the downloadable version. View vehicles from 1984 to the present: Go to Find-a-Car Unlike the annual guides which cover only one model year, Find-a-Car provides the most up-to-date fuel economy information for vehicles from model year 1984 to the present, along with environmental and safety data. Find a Car Developer Tools 2013 Fuel Economy Guide 2013 Fuel Economy Guide Adobe Acrobat Icon
Implementation of DOWTHERM A Properties into RELAP5-3D/ATHENA
DOWTHERM A oil is being considered for use as a heat transfer fluid in experiments to help in the design of heat transfer components for the Next Generation Nuclear Plant (NGNP). In conjection with the experiments RELAP5-3D/ATHENA will be used to help design and analyzed the data generated by the experiments. Inorder to use RELAP5-3D the thermophysical properties of DOWTHERM A were implemented into the fluids package of the RELAP5-3D/ATHENA computer propgram. DOWTHERM A properties were implemented in RELAP5-3D/ATHENA using thermophysical property data obtain from a Dow Chemical Company brochure. The data were curve fit and the polynomial equations developed for each required property were input into a fluid property generator. The generated data was then compared to the orginal DOWTHERM A data to verify that the fluid property data generated by the RELAP5-3D/ATHENA code was representitive of the original input data to the generator.
Richard L. Moore
RELAP5-3D Code Includes Athena Features and Models
Version 2.3 of the RELAP5-3D computer program includes all features and models previously available only in the ATHENA version of the code. These include the addition of new working fluids (i.e., ammonia, blood, carbon dioxide, glycerol, helium, hydrogen, lead-bismuth, lithium, lithium-lead, nitrogen, potassium, sodium, and sodium-potassium) and a magnetohydrodynamic model that expands the capability of the code to model many more thermal-hydraulic systems. In addition to the new working fluids along with the standard working fluid water, one or more noncondensable gases (e.g., air, argon, carbon dioxide, carbon monoxide, helium, hydrogen, krypton, nitrogen, oxygen, sf6, xenon) can be specified as part of the vapor/gas phase of the working fluid. These noncondensable gases were in previous versions of RELAP5- 3D. Recently four molten salts have been added as working fluids to RELAP5-3D Version 2.4, which has had limited release. These molten salts will be in RELAP5-3D Version 2.5, which will have a general release like RELAP5-3D Version 2.3. Applications that use these new features and models are discussed in this paper.
Richard A. Riemke; Cliff B. Davis; Richard R. Schultz
Printing Highly-aligned Single-crystalline Organic Electronic Thin Films |
Printing Highly-aligned Single-crystalline Organic Electronic Thin Films Printing Highly-aligned Single-crystalline Organic Electronic Thin Films Monday, September 23, 2013 Organic semiconductor materials have some intriguing advantages compared to their inorganic counterparts: low-cost and versatile manufacturing (e.g. roll-to-roll printing), material abundance and new form factors (e.g. flexible, transparent and stretchable). However, solution-processed organic devices are usually made and optimized with poorly scalable fabrication using lab-based techniques such as spin coating or dip coating. A better route for organic-electronics fabrication is printing, which can potentially realize large-area, high-throughput, low-cost fabrication on an industrial scale. Fluence image FLUENCE: fluid-enhanced crystal engineering. Solution shearing (a) using a
ARM - PI Product - Large Scale Ice Water Path and 3-D Ice Water Content
ProductsLarge Scale Ice Water Path and 3-D Ice Water ProductsLarge Scale Ice Water Path and 3-D Ice Water Content Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send PI Product : Large Scale Ice Water Path and 3-D Ice Water Content Site(s) SGP TWP General Description Cloud ice water concentration is one of the most important, yet poorly observed, cloud properties. Developing physical parameterizations used in general circulation models through single-column modeling is one of the key foci of the ARM program. In addition to the vertical profiles of temperature, water vapor and condensed water at the model grids, large-scale horizontal advective tendencies of these variables are also required as forcing terms in the single-column models. Observed horizontal advection of condensed water has not been available because the
CAD Tools for Creating Space-filing 3D Escher Tiles
We discuss the design and implementation of CAD tools for creating decorative solids that tile 3-space in a regular, isohedral manner. Starting with the simplest case of extruded 2D tilings, we describe geometric algorithms used for maintaining boundary representations of 3D tiles, including a Java implementation of an interactive constrained Delaunay triangulation library and a mesh-cutting algorithm used in layering extruded tiles to create more intricate designs. Finally, we demonstrate a CAD tool for creating 3D tilings that are derived from cubic lattices. The design process for these 3D tiles is more constrained, and hence more difficult, than in the 2D case, and it raises additional user interface issues.
Howison, Mark; Sequin, Carlo H.
3D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological
D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological Survey Jump to: navigation, search GEOTHERMAL ENERGYGeothermal Home Journal Article: 3D Geological Modelling In Bavaria - State-Of-The-Art At A State Geological Survey Details Activities (0) Areas (0) Regions (0) Abstract: Many Geological Survey Organisations (GSOs) are using 3D modelling software technology for a vast variety of applications. Initially many 3D tools were designed for the exploitation of digital seismic mass data existing in hydrocarbon exploration industry. Accordingly, GSOs have to adapt available software and to modify it to their special requirements, defining their own best practice. The Geological Survey of the Bavarian Environment Agency has developed procedures and workflows for a variety of
Microseismicity and 3-D Mapping of an Active Geothermal Field, Kilauea
Microseismicity and 3-D Mapping of an Active Geothermal Field, Kilauea Microseismicity and 3-D Mapping of an Active Geothermal Field, Kilauea Lower East Rift Zone, Puna, Hawaii Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Microseismicity and 3-D Mapping of an Active Geothermal Field, Kilauea Lower East Rift Zone, Puna, Hawaii Abstract The local fault and dike structures in Puna, southeastern Hawaii, are of interest both in terms of electricity productionand volcanic hazard monitoring. The geothermal powerplant at Puna has a 30 MW capacity and is built on a sectionof the Kilauea Lower East Rift Zone that was resurfaced by lava flows as recently as 1955 and 1960.The Puna Borehole Network was established in 2006 inorder to provide detailed seismic data about the Puna geothermal field. The array consists of eight 3-component borehole
Festival Re-Cap: Energy Bikes, Levitated Trains and 3D Virtual Rides |
Festival Re-Cap: Energy Bikes, Levitated Trains and 3D Virtual Festival Re-Cap: Energy Bikes, Levitated Trains and 3D Virtual Rides Festival Re-Cap: Energy Bikes, Levitated Trains and 3D Virtual Rides October 27, 2010 - 5:29pm Addthis Students experiment with steel balls on a track as they learn about energy exchange during collisions during the USA Science and Engineering Festival held on the National Mall October 23-24. Students experiment with steel balls on a track as they learn about energy exchange during collisions during the USA Science and Engineering Festival held on the National Mall October 23-24. Director Brinkman Director Brinkman Director of the Office of Science I was delighted that the first ever USA Science and Engineering Festival on the National Mall Oct. 23-24 proved to be a fun-filled weekend event for
3D calculations of a fixed field alternating gradient synchrotron magnet
A Spallation neutron source for materials science studies was designed at Argonne and required a fixed field alternating gradient (FFAG) synchrotron magnet. 3D electrostatic calculations were made to obtain the unsaturated magnet pole shape. This pole shape was refined using 3D magnetostatic calculations that included the steel permeability and coil geometry. Details of the calculations are given concerning such things as: size of the problem and how to split it up, the number and shape of the finite elements, choosing the electrostatic potential correctly and selecting the potential of the desired pole. 5 figs.
Lari, R.J.
3D simulations of multipacting in the 56 MHz SRF cavity
The 56 MHz SRF Quarter-Wave Resonator (QWR) is designed for RHIC as a storage cavity to improve the collider performance. 2D multipacting simulation has been done for the cavity alone. Ripples were added to the outer body of the cavity for multipacting suppression based on the simulation findings. During operation, there will be four higher order mode (HOM) couplers. All of these components will be exposed to high RF fields. In this paper we compare 2D and 3D codes simulation results for multipacting in the cavity. We also report 3D simulation results for multipacting simulation at the couplers.
Wu Q.; Belomestnykh, S.; Ge, L.; Ko, K.; Li, Z.; Ng, C.; Xiao, L.
Experimental investigation of electric field distributions in a chaotic 3D microwave rough billiard
We present the first experimental study of the electric field distributions E_N of a three-dimensional (3D) microwave chaotic rough billiard with the translational symmetry. The translational symmetry means that the cross-section of the billiard is invariant under translation along z direction. The 3D electric field distributions were measured up to the level number N = 489. In this way the experimental spatial correlation functions C_{N,p}(x,s) ~ were found and compared with the theoretical ones. The experimental results for higher two-dimensional level number N_{|} appeared to be in good agreement with the theoretical predictions.
Oleg Tymoshchuk; Nazar Savytskyy; Oleh Hul; Szymon Bauch; Leszek Sirko
KIVA: a comprehensive model for 2D and 3D engine simulations
This paper summarizes a comprehensive numerical model that represents the spray dynamics, fluid flow, species transport, mixing, chemical reactions, and accompanying heat release that occur inside the cylinder of an internal combustion engine. The model is embodied in the KIVA computer code. The code calculates both two-dimensional (2D) and three-dimensional (3D) situations. It is an outgrowth of the earlier 2D CONCHAS-SPRAY computer program. Sample numerical calculations are presented to indicate the level of detail that is available from these simulations. These calculations are for a direct injection stratified charge engine with swirl. Both a 2D and a 3D example are shown.
Amsden, A.A.; Butler, T.D.; O'Rourke, P.J.; Ramshaw, J.D.
Author manuscript, published in "3DUI 2013 (2013)" 3-Point++: a new Technique for 3D Manipulation of Virtual Objects
Manipulation in immersive Virtual Environments (VEs) is often difficult and inaccurate because humans have difficulty in performing precise positioning tasks or in keeping the hand motionless in a particular position without any help of external devices or haptic feedback. To address this problem, we propose a set of four manipulation points attached to objects (called a 3-Point++ tool, including three handle points and their barycenter), by which users can control and adjust the position of objects precisely. By determining the relative position between the 3-Point++ tool and the objects, and by defining different states of each manipulation point (called locked/unlocked or inactive/active), these points can be freely configured to be adaptable and flexible to enable users to manipulate objects of varying sizes in many kinds of positioning scenarios.
Thi Thuong; Huyen Nguyen; Irisa Inria; Rennes Bretagne Atlantique; Thierry Duval; Irisa Universit� De Rennes
3D environments as social learning tools: the VIRTU@LIS experience
New forms of dialogue and new mechanisms for introducing scientific issues to non-scientific audiences call for radical design of interfaces between the scientific processes and products and the audiences. In VIRTU@LIS we have explored further the use ... Keywords: 3D, ICT, climate change, convivial social learning tools, fisheries, game
Tiago de Sousa Pedrosa; �gela Guimar�es Pereira; Nuno Cardoso; Manuel Costa; Tiago Carita; Edmundo Nobre; Pedro Pedrosa; Nuno Capeta; S�rgio Est�v�o
Innovative process chain for the development of wear resistant 3D metal microsystems
This paper presents an innovative process chain, that is based on microelectrical discharge machining for the fabrication of 3D microsystems made of stainless steel. The fabrication process cluster consists of three technologies: microelectrical discharge ... Keywords: Die-sinking microelectrical discharge machining, Dispersion, Electrochemical polishing, High pressure homogenization, Microelectrical discharge machining, Microelectrical discharge milling
Claudia Richter, Daniel Stegemann, Anke Vierheller, Thomas Gothsch, Jan Henrik Finke, Arno Kwade, Christel Charlotte M�Ller-Goymann, Andreas Dietzel, Stephanus B�Ttgenbach
Tangible authoring of 3D virtual scenes in dynamic augmented reality environment
This paper proposes tangible interfaces and interactions for authoring 3D virtual and immersive scenes easily and intuitively in tangible augmented reality (AR) environment. It provides tangible interfaces for manipulating virtual objects in a natural ... Keywords: Augmented reality, RFID, Tangible interface, Virtual reality, Virtual studio
Jae Yeol Lee; Dong Woo Seo; Gue Won Rhee
InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl
InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl] Sidney Fels, Silvio Esser development consists of a program/compile/debug iteration cy- cle. This paper introduces InvenTcl which is an in- terpretive version of Open Inventor using Tcl/Tk [4] and [incr Tcl] [3]. The advantages of InvenTcl
InvenTcl: Interpretive 3D graphics using Open Inventor and Tcl/[incr Tcl] Sidney Fels, Silvio Esser development consists of a program/compile/debug iteration cy cle. This paper introduces InvenTcl which is an in terpretive version of Open Inventor using Tcl/Tk [4] and [incr Tcl] [3]. The advantages of InvenTcl
" inside the interpreter Tcl/Tk and incr Tcl]. To wrap InvenTcl the Open Inventor header les are parsed Inventor falls into this category of 3D graphics packages. InvenTcl extends Tcl/Tk/ incr Tcl] by providing- teracting with3Dobjects. Thisis achieved by combiningthe Open Inventor C++ library 21,9] with the Tcl/Tk
threedit .. editing programs VTK and TCL/TK 3D shape editing and registration gui
threedit .. editing programs VTK and TCL/TK 3D shape editing and registration gui programs. without as they are or as base for copy&paste. editing programs You'll need the VTK and the TCL/TK packages for these programs
Towards 3D Architectures: A Comparative Study on Cellular GAs Dimensionality
Cellular Genetic Algorithms (cGAs) have shown their ability to solve not only difficult optimization problems, but also outperform centralized Genetic Algorithms (GAs) in terms of efficiency and efficacy. The study herein presented aims to analyze and ... Keywords: cellular genetic algorithms, optimization engines, 3D architectures
Alicia Morales-Reyes; Asmaa Al-Naqi; Ahmet T. Erdogan; Tughrul Arslan
Recovery of Soft Tissue Object Deformation from 3D Image Sequences Using Biomechanical Models
The estimation of soft tissue deformation from 3D image sequences is an important problem in a number of fields such as diagnosis of heart disease and image guided surgery. In this paper we describe a methodology for using biomechanical material models, ...
Xenophon Papademetris; Pengcheng Shi; Donald P. Dione; Albert J. Sinusas; R. Todd Constable; James S. Duncan
Breast MR segmentation and lesion detection with cellular neural networks and 3D template matching
A novel fully automated system is introduced to facilitate lesion detection in dynamic contrast-enhanced, magnetic resonance mammography (DCE-MRM). The system extracts breast regions from pre-contrast images using a cellular neural network, generates ... Keywords: 3D template matching, Cellular neural network, Lesion detection, MR mammography, Segmentation
G�khan Erta?; H.�zcan G�l��r; Onur Osman; Osman N. U�an; Mehtap Tunac?; Memduh Dursun
A PET/CT directed, 3D ultrasound-guided biopsy system for prostate cancer
Prostate cancer affects 1 in 6 men in the USA. Systematic transrectal ultrasound (TRUS)-guided biopsy is the standard method for a definitive diagnosis of prostate cancer. However, this "blind" biopsy approach can miss at least 20% of prostate cancers. ... Keywords: 3D ultrasound imaging, PET/CT, image segmentation, imageguided biopsy, molecular imaging, nonrigid image registration, prostate cancer, wavelet transform
Baowei Fei; Viraj Master; Peter Nieh; Hamed Akbari; Xiaofeng Yang; Aaron Fenster; David Schuster
Dynamic picking system for 3D seismic data: Design and evaluation
In the framework of data interpretation for petroleum exploration, this paper contributes two contributions for visual exploration aiming to manually segment surfaces embedded in volumetric data. Resulting from a user-centered design approach, the first ... Keywords: 3D interaction, Dynamic picking, Focus+context, Manual segmentation, Projective slice, Structural interpretation, Volumetric data
Pierre Salom; Remi Megret; Marc Donias; Yannick Berthoumieu
Silhouette representation and matching for 3D pose discrimination - A comparative study
Inferring 3D human poses from marker-free images is an important but challenging task. A large body of algorithms has been proposed to that end, among which the discriminative methods using silhouettes as visual inputs are an important category. For ... Keywords: Comparative study, Motion recovery, Performance evaluation, Pose inferring, Shape analysis
Cheng Chen; Yueting Zhuang; Jun Xiao
Architecture and 3D device simulation of a PIN diode-based Gamma radiation detector
In this paper, we present a new IC-based gamma radiation detector. We report 3D simulation results for the PIN diode structure which is used in this detector, along with a discussion of the architecture of the readout electronics for this detector. Gamma ... Keywords: pin diode, radiation detection, solid-state
Amr Elshennawy; Craig M. Marianno; Sunil P. Khatri
The intelligent control based on perceiving-acting cycle by using 3D-range camera
This paper discusses a integrated perceptual system for intelligent control of a service robot. The robot should be able to perceive the environment flexibly to realize intelligent behaviors. We focus on the perceptual system based on the perceiving-acting ... Keywords: 3D-range camera, arm robots, perceiving-acting cycle, spiking-neural network
Hiroyuki Masuta; Naoyuki Kubota