text:
Justin French
Carnival Cruise Line has expanded its travel partner advisory group (TPAC) by adding a dedicated Canadian Travel Partner Advisory Committee. The company says the move is designed to "reinforce Carnival's commitment to this key North American market and Canada's importance to the line's business."
Members of TPAC are nominated by Carnival's sales leadership team and business development managers. Each year, the line invites select travel partners spanning an array of agency models to participate in the committee. The purpose of TPAC is to offer guidance related to various trade programs, tools and initiatives introduced by Carnival.
The Canadian TPAC will be led by Justin French, Carnival's regional vice president of Canada and Northern U.S. sales, and will be part of the overall TPAC group while also taking part in dedicated sub-committee meetings with more focus on the Canadian region throughout 2017.
"The valuable feedback provided by our TPAC members has contributed significantly to the strengthening of our relationship with the agency community," said Carnival's Vice President of North American Field Sales Mike Julius. "We're excited to welcome these esteemed agents to the 2017 group, including a new and extended group of Canadian travel agents, which will provide valuable insights into that market."
Canadian members of Carnival's 2017 Travel Partner Advisory Committee include:
- Cyndi Stone, Travel Consultant - The Travel Agent Next Door
- Evelyne Auger, Travel Counsellor - Expression Voyages
- Gor Mahal, Sales Manager - Expedia CSC Westwood
- Marilyn Tavener, Cruise & Vacation Consultant - Expedia CSC Newmarket Aurora
- Mary Lynn Villeneuve, Travel Consultant - TravelOnly
- Mireille Guertin, Manager - Expedia CruiseShipCenters Ottawa
- Paula Baglole, Cruise & Vacation Specialist - Expedia CruiseShipCenters PEI
TPAC members provide Carnival with feedback throughout the year and participate in quarterly meetings with members of Carnival's sales leadership team. The group is led by Julius, and includes a panel of business development managers and trade marketing team members, as well.


text:
Overall the outcome of the two sessions has been positive, but we still need to improve our car overnight and do some steps forward. I think the one-lap speed was ok, I haven't seen much from the long runs, I have spent most of the afternoon on Soft tires and they were lasting quite long, so I think overall it was ok but we still have to improve. We have to work on the set up of the car, and bring it a bit better together, so that the car feels better for me on track and it suits my driving, then I can attack better and more. As for the new rules on radio communications, it makes it easier for us, in terms of remembering, so I think it is a straightforward decision.
I am not happy with 6th position, it was a difficult session. In the moment I tried to do the best, we didn't get everything together. Somehow we lost a bit and now we need to understand what happened this afternoon. I was reasonaby happy with my lap, but it wasn't quick enough, there was a bit of time we lost here and there, overall we struggled a bit to extract the pace from the car. The balance didn't come together in qualifying, it was better this morning and yesterday. We know the car can be quicker, but we didn't manage to get it in the right window, that's our job and we didn't succeed. I'm sure that tomorrow we'll be competitive, but again we start a little bit from the back foot, so it will be tough because here it's not easy to overtake. I think we don't have to hide, in terms of race pace we are fast, then it should be an interesting race.
I was hoping for more today. I had a good start, maybe too good, because the run into Turn 1 is very long, so I had to get out of the tow a bit too early. It was bit of a shame because I was stuck in fifth position from then onwards. Then I knew everything would have to go through strategy and pitstops and so we overcut Verstappen. We were much stronger at the end of the race, maybe a couple of tenths, but unfortunately not quick enough to pass. If I had been able to, I would have done more, but I tried everything until the end, we were on a good strategy, we had more pace at the end but as I said this is one of the most difficult tracks for overtaking. With a better position yesterday, I think we could have finished P3 without any problem. We are not happy to finish fourth, because we have to win, we need to improve here and there, but I think the difference with Mercedes is not that big as it looks. They seem to be better managing their tires and that makes for a big gap over a number of laps.
Today I think we lost a bit of time in the beginning. Obviously with the red flag it was not ideal, we had to come in a couple of times, re-programme the car and go out again. The good news is that we were able to fix it, but I lost a bit of the rhythm. After this the car felt fine, but I think we can improve the setup for tomorrow, and then we should have a better balance in the car. We need to be better in sector 1, 2, 3, I don't think that there is one sector that stands out. I am not entirely happy with the balance yet, so naturally if everything comes more together I think we can improve overnight and so we will be better in all three sectors. Today is Friday, and I don't value Friday that much. We look at ourselves, here and there we need to improve, and then go from there. Tomorrow is a new day.
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subset: commoncrawl


text:
Bath Accessories
Bath Fittings and Accessories
Establishing a presentable, spa-like atmosphere in your home's bathrooms is a much easier solve than you might expect. At Kitchen Cabinet Central, we've expanded our expertise to include a deep understanding of bathroom design principles. Using this understanding, we have crafted elegant bathroom accessories and fittings that bring effortless style to bathrooms of every size. Every space in your home is an opportunity to realize your own personal tastes, and the bathroom is no exception.
Our modern, yet elegantly tasteful, bath fittings and accessories include options in a wide range of shapes, finishes, and installation types. Every selection has been carefully crafted to satisfy the highest design and quality standards. To learn more about our selection of elegant bathroom accessories and fittings, or if you'd like expert assistance choosing a complementary option for your bathroom, contact us at 336 408 8133.
3 Items
Paper Towel bar single W 28 1/4" x H 4 1/4" Brushed NickelSpecial Price $220.22 Regular Price $293.63
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3 Items


text:
The Federal Support Toolbox for integrated Water Resources is a USACE initiative that started in 2005 prior to
Building Strong Collaborative Relationships for a
Sustainable Water Future project. It is supported by multiple stakeholders participating in the project who are interested in its capability to deepen
knowledge and understanding, build capabilities and foster collaboration opportunities - especially integrated
water resources management.
Resources information applicable to integrated water resources management was collected by the USACE Team and
provided by federal agencies, states, interstate entities, Tribal Governments, non-governmental organizations,
and other water agencies across the United States.
Information is categorized into the following topics (pages). Click on the resources term of interest to go to the page for that particular resource type.
View submitted programs, databases & models
As organizations respond to national water resources challenges, they develop processes and best practices. By sharing these best practices with
the larger water resources community, the efficiency and effectiveness of water resources management is increased while the capacity for collaboration
and technology transfer is developed.
Learn more about best management practices
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text:
This month marks the 15th anniversary of WWF buying WCW in a move that changed the landscape of professional wrestling. In 2001 it seemed like the best thing in the world. Today, that might not be case anymore. Frank Dee and I… Read More ›
Gerweck Report Podcast: nWo Back in Black Series – 1996
The nWo made wrestling cool in the mid to late 90's. Their gang like mentality and infamous black and white colors resonated with fans all over the world. Scott Hall, Kevin Nash, and Hulk Hogan were the founding members of… Read More ›
Five Matches That Should Have Gone Differently
Timing is everything when it comes to the world of professional wrestling. Striking while the iron is hot or simply knowing when you have a good thing is paramount in having a successful business model. However, creative aspirations tangled with… Read More ›
Piledriving introduction to the National Wrestling Alliance
Professional wrestling consumed my life at the early age of 8. In fact, as far as I was concerned, the WWF was the only game in town. This idea that other wrestling promotions existed never dawned on me until a… Read More ›
How Did You Become A Wrestling Fan?
(Column written for gerweck.net) Thanksgiving is right around the corner and while we all have things in our life to be thankful for, I think wrestling can appear on that list in some way, shape, or form. Wrestling fans come… Read More ›
The Conquistadors: All Gold and No Glory
Conquistador is Spanish for "conquerors" and is applied to Spaniard soldiers who explored the New World in the 16th century. In the late 1980's, the squared circle of the World Wrestling Federation were treated to Conquistadors of a different variety. Gone were the… Read More ›
Remember Sean Mooney and the WWF Event Center?!?!
You all remember Sean Mooney? He was a play by play commentator and an interviewer in the WWF from 1988 to 1993. His Event Center segment on weekend television would advertise wrestling matches for the upcoming house shows in whatever area you… Read More ›
Awesome Wrestling Images From Deviant Art
The artists over at DeviantArt.com have produced some cool wrestling art work but their depictions cover all genres. If you think it, someone on this site has probably drawn it. Check out some of their images on this post and head on over… Read More ›
Savio Vega: Wrestling's Worst Mystery Partner Ever
In the spirit of No Way Out this Sunday, I'm reminded of the very first installment of this pay-per-view happening back in 1998. It was the twentieth event under the In Your House banner and the company changed the name two weeks out to No Way… Read More ›
Ten Greatest WWE Intercontinental Champions Of All Time
The WWE Intercontinental championship is one the most revered and perhaps the most respected title belt among professional wrestling fans. For the longest time it was this championship that produced the most anticipated and exciting matches. More times than… Read More ›


text:
jorge raul moreno -at- hot mail -dot- com
I heard that every android has a wish: to be ticklish...
This Android never suffered Pteronophobia (the fear of being tickled by feathers!)
|Practical Programming in Tcl and Tk
|Brent Welch
|Effective Tcl/Tk Programming
|Mark Harrison/Michael McLennan
|Tcl/Tk for Real Programmers
|Clif Flynt
|The Tcl Programming Language
|Ashok P Nadkarni
Effective Tcl/Tk Programming
for XML parsing
web scrapping
Static content
driving other windows application
Most used:
2013-12-07 A few of your favorite things about editing scripts with Tkcon
2014-06-25 Hack-O-Matic
2014-08-09 filewait
2014-08-22 Quick Formatting ANSI Colour Escape Strings
2014-08-22 cgrep - Color your output with regular expressions!
2014-10-03 WikIndent input line by line
2015-03-13 Freecell for a cross platform alternative to SystemButtonFace color
2015-03-13 Invoking browsers to launch firefox under linux
2015-10-15 vgrep: a visual grep
2016-11-17 serial ports on Windows
Matthias Hoffmann
2017-03-17 minimalist wget
2017-07-05 getopt to parse out switches from the command line (argv) by name
2017-07-11 LiSA
SWIG exemples http://wfr.tcl.tk/1693
Scan and modify text files https://wiki.tcl-lang.org/15518
Easy Text Print (includes awk) https://wiki.tcl-lang.org/42409
'xpg' - a text file browser (includes awk) https://wiki.tcl-lang.org/38443 awk and shell script
|Editing the Tcl'ers Wiki using an editor of your choice
|automate web browser with Expect
|Get CPU Temperature Statistics
|Paging with TkTreeCtrl + SQlite
|Heronian triangles
6/7/2018 Web HTML http
Interfacing PS2 Keyboard with Arduino and Androwish
A scale with Arduino and AndroWish
Filtering measurement values with a 1D Kalman filter
BLT-newbie - barchart: How to display value under mouse cursor
BLT graph: Problem setting colors using RGB notation
BLT vector creation: creation time grows as number of vectors created grows
''My quick reference''
My quick reference
'''My formatting guide'''
My formatting guide
puts "Tcl is great!"
puts "did I mention that Tcl is great?"
puts "Tcl/Tk"
For Formatting Rules click here or here
JM 22 Jul 2011 - I was just playing a little bit with tclhttpd by putting the following code on the file: \htdocs\cgi-bin\test.cgi
package require tclodbc set driver "Microsoft Access Driver (*.mdb)" set dbfile "C:\\Program Files\\Microsoft Office\\office11\\samples\\Northwind.mdb" puts [html::h3 "getting info from Access through tclODBC..."] puts "
" database connect db "DRIVER=$driver;DBQ=$dbfile" foreach rec [db "select EmployeeID,LastName,FirstName FROM Employees;"] { puts "
" foreach field $rec { puts "$field	" } puts "
" } puts "
" db disconnect
just after the following existing lines:
puts [html::h1 "Hello, World!"] puts [html::h2 [clock format [clock seconds]]]
and I got a dynamic page that queries the database that comes as a sample with the Microsoft Access installation.
you can get there by means of the CGI link on the home page, then through the Sample form posted to test.cgi and finally hitting the "Submit Query" button.
JM 7 Sep 2013 - pscp from the putty family of tools, see also plink
console show proc action {} { cd c:/putty set f [open "|\"pscp.exe\" -l jorge -pw yourpwd [.from get]:[.path get] ."] puts done } entry .from entry .path -width 50 button .button -text get -command action .from insert 0 [email protected] .path insert 0 /home/jorge/sample.txt pack .from .path .button
JM 26 Oct 2013 - I dont know why, but I had to put some puts commands after the source command to make it work, if not, I was getting an error saying that the gnuplot commmand did not exist
console show #set gpexe C:/gnuplot-4.0/bin/pgnuplot.exe set gpexe "C:/Program Files (x86)/gnuplot/bin/pgnuplot.exe" #set outfile C:/data/resultat.tk set outfile "C:/Users/jmoreno/Documents/code/gnuplot/resultat.tk" set gp [open "|\"$gpexe\"" r+] puts $gp "set term tk" puts $gp "set output '$outfile'" puts $gp "set noborder\nset zeroaxis" puts $gp "set xtics 1\nset ytics .5" puts $gp "plot \[-2:2\] atan(x)" close $gp pack [canvas .c] source $outfile puts $outfile puts [info commands gnu*] update gnuplot .c
JM 7 Nov 2014 - Looks like the real fix is this (just waiting a little, to let pgnuplot.exe to completely close):
console show #set gpexe C:/gnuplot-4.0/bin/pgnuplot.exe set gpexe "C:/Program Files (x86)/gnuplot/bin/pgnuplot.exe" #set outfile C:/data/resultat.tk set outfile "C:/Users/jmoreno/Documents/code/gnuplot/resultat.tk" set gp [open "|\"$gpexe\"" r+] puts $gp "set term tk" puts $gp "set output '$outfile'" puts $gp "set noborder\nset zeroaxis" puts $gp "set xtics 1\nset ytics .5" puts $gp "plot \[-2:2\] atan(x)" close $gp after 1000 pack [canvas .c] source $outfile #puts "we are at: [pwd]" #puts $outfile #puts [info commands gnu*] #update gnuplot .c
JM 18 Feb 2014 - The following example was good for me to try the basics
Remote input-output with Expect
JM 26 Feb 2017 - from:
package require http console show set organism_name "nipah" set xml " <?xml version=\"1.0\" encoding=\"UTF-8\"?> <orgPdbQuery> <version>B0905</version> <queryType>org.pdb.query.simple.OrganismQuery</queryType> <description>Organism Search : Organism Name=$organism_name </description> <organismName>$organism_name</organismName> </orgPdbQuery> " set url "http://www.rcsb.org/pdb/rest/search" set tok [::http::geturl $url -query $xml -type application/x-www-form-urlencoded] set rep [::http::data $tok] puts "[::http::status $tok]" puts $rep ::http::cleanup $tok
% package require tablelist 5.13 % package ifneeded tablelist 5.13 package provide tablelist 5.13;source -encoding utf-8 C:/Tcl/lib/teapot/package/tcl/teapot/tcl8/8.0/tablelist-5.13.tm % C:\Tcl\lib\teapot\package\tcl\lib\tablelist_common5.13
|Web Scraping with htmlparse
|withatt type
|over n


text:
First, I need to get something off my chest. This blog, Thank You For Not Sharing (TY4NS), was not intended to be All Facebook, All The Time. It's supposed to be about privacy and social media in general. But to paraphrase Michael Corleone, every time I try to get away from Facebook, they pull me back in.
OK, now I feel better. On to today's items.
Item #1: Last time out I wrote about Facebook's failure to make parts of my profile private, despite all efforts on my part to do so. I also noted how incredibly difficult it is to go private on Facebook (ie, the 50-click problem), and suggested they adopt a simple, one-click solution.
I also solicited a response from Facebook, hoping to find out why its privacy controls don't actually work as advertised, and how it feels about my one-click privacy idea. I attached a receipt to my e-mail to see what happened.
The box score: Five Facebook flacks read my e-mail; three deleted it without reading. Zero responded. Nice.
I bet if Ellen DeGeneres made a cutesy commercial making fun of Facebook they'd have been all over it.
Item #2: On the same day Facebook was busy ignoring my queries, I received three (count em, 3) e-mails from friends of mine whose accounts had been phished. All of them urged me to join various Groups they apparently liked.
In one instance, a friend mistakenly clicked the "Join" button before changing her mind. That's all it took for some delinquent to spam everyone in her address book. This is the group she sent me to, your garden variety Acai Berry scam:
The box score: Facebook nailed one out of three, or 33 percent. An acceptable percentage for three-point shooting, but otherwise kinda crappy.
I still have a dozen other group invitations from various friends. I don't trust any of them now. I don't even want to click "ignore" on the odd chance it will somehow corrupt my account and spam all 700-odd people in my FB posse. So this spam attack has effectively killed that feature for me. And if spammers can manipulate Facebook's group recommendations that easily, imagine what they could do to Facebook's plan to butter "Like" buttons all over the Web.
Item #3: Finally, there's today's news that a security hole within Facebook could allow you to view your friends' live chats as they occur. Facebook has since patched the hole, but it wasn't even aware of its existence until somebody at TechCrunch pointed it out to them. Lord knows how long this bug has been squirreled away in Facebook's code -- possibly since the very beginning.
The box score: When TechCrunch is your QA department, you've got problems so big I can't begin to describe them.
I like Facebook. But the more I use it, the less I trust it.
Dan Tynan really doesn't spend all his time complaining about Facebook, even if it sometimes seems that way. He also carves out a little time for his burgeoning geek humor empire, eSarcasm .
This story, "Hey, Facebook: You Have Some Serious Privacy and Security Problems" was originally published by ITworld.


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Rosa Ross: All-star chef of Scrimshaw
Rosa Ross did not grow up knowing how to cook.
Her family, one of the most prominent Portuguese-Asian families in Macau, had moved to Hong Kong in the early 20th century, and almost everything young Rosa de Carvalho ate was cooked by servants. Married in 1961 to English advertising executive Ron Ross, she moved to London where, she recalled, "I would look at my hands and cry. I had never had to do dishes before."
Over the years, those hands, small and blunt and nimble, have catered thousands of parties, demonstrated for thousands of students. For the last five years, they have been cooking most of the meals at Scrimshaw, the windswept restaurant on Greenport's Preston's Wharf.
No one would describe Scrimshaw's succinct menu as flashy, but a closer look reveals the imprint of a seasoned chef who has traveled the world, knows who she is and has nothing to prove.
Her Chinese childhood is evident in steamed Cantonese dumplings, densely savory duck-confit spring rolls and a frequent special, Peking duck. The ducks themselves are specially butchered by Crescent Duck Farm in Aquebogue.
But most of her menu is a testament to her perch right on the water in seafaring Greenport: It features plenty of seafood unencumbered by a chef's need to show off, hence her flag-wavingly classic seafood chowder, an oyster po boy with coleslaw, a flounder stuffed with shrimp, crab and scallops.
Ross and her husband, Manhattanites and avid sailors, bought a house in East Marion in 1988. The couple became friends with the family that owned the wharf in Greenport, and the souvenir shop at its shoreward end always struck Ross as a perfect location for a restaurant. In 2004, she took the plunge, installing a kitchen and decorating the dining room in a low-key, maritime style. Her husband came up with the name - scrimshaw is carved whale bone - which alluded to both artistry and to Greenport's whaling heritage.
When she opened the restaurant, Ross, now 72, worked the dining room and hired a chef to run the kitchen. "He was very nice," she recalled, "but he had a drinking problem." The next chef, a Frenchman, "was a good cook, but he was arrogant." In 2005, she took over the kitchen and never looked back.
Aside from a short-lived consulting job in the late 1990s, Ross had never worked in a restaurant kitchen. But that was about the only culinary job she hadn't mastered. Since those days in London, crying over her never-to-be-unblemished-again hands, she had made her career as a leading caterer, cooking teacher, lecturer and cookbook author.
Growing up in the cosmopolitan culinary wellspring that was Hong Kong in the '50s, Ross had a profound appreciation for good food. Soon after they married, her husband was posted to Milan and, the day after she arrived in Italy, she met Marcella Hazan, whose husband, Victor, was also in advertising.
In 1962, Marcella Hazan had never taught a cooking class and was 11 years away from publishing her groundbreaking "Classic Italian Cook Book," the work that established her as the foremost authority on Italian food in the United States. Ross became her first student, learning how to shop for food in Milan's markets, and how to prepare it according to the simple precepts of Italian cooking. Ross found that once she understood how cooking worked, she could work backward from her keen sense of taste to figure out how to make almost anything - not only Italian, but Chinese foods of her childhood and the Portuguese-Asian cuisine of her Macanese household.
In the mid '70s, the couple moved to New York and Ross found herself a job in advertising. Some of her colleagues were taking Chinese cooking classes from "Madame Chu." (Grace Zia Chu was one of the first Chinese cooks to teach non-Chinese students.) "They would tell me they made fried rice with bacon and egg," Ross recalled. "I said, 'You paid money to learn that?'" In 1980, Ross established a mobile cooking school, Wok on Wheels. "All I needed was a wok and a cleaver and I would go to people's homes and teach them to cook Chinese."
Wok on Wheels led Ross to a busy catering career and several cookbooks including "Beyond Bok Choy" (Artisan, $14) and "New Wok Cooking" (Potter, $21.99). In 1983, Peter Kump asked her if she would join his cooking school (renamed the Institute for Culinary Education in 2001) as a teacher of Asian cooking. At Kump's, Ross had the opportunity to learn from the best cooking teachers in the world: James Beard for American, Jacques Pepin for French, Diana Kennedy for Mexican.
With her Asian upbringing, sojourn in Europe and shoulder-rubbing with the international culinary elite, Rosa Ross could have become an early advocate of fusion cuisine, the combination of multiple traditions in one dish. But she is, constitutionally, a purist. Her menu blends various traditions, but the dishes stand on their own as Chinese (dumplings) American (Santa Fe chili), French (duck-liver pate, cassoulet) and South Asian (a frequent special of Thai seafood curry).
"There's a limit to how much you can mix cuisines before it becomes a mishmash," she said, recalling a recent staff meal cooked by one of her line cooks. "We had some Thai rice stick noodles left over from a pad Thai special, and he made them into a stir-fry with chicken and hoisin sauce. It just didn't work."
Ross' Asian background finds its way into many of Scrimshaw's dishes via her "house salt," a mixture of kosher salt, black pepper, fennel, coriander, cardamom and star anise. In Hong Kong, she said, every restaurant had its own house sauce whose makeup was a closely held secret and whose presence lent every dish a unique "house" savor. At Scrimshaw, there are very few dishes that don't benefit from a sprinkling of house salt. The effect is not jarringly global, but rather subtly redolent of China, South Asia, Italy - and everywhere else that has made its mark on Rosa Ross's palate.
This seasoned salt lends a subtle exoticism to meats and fish.
3 1/2 cups kosher salt
5 teaspoons ground coriander seeds
5 teaspoons ground cardamom
4 teaspoons ground black pepper
2 teaspoons ground fennel seed
2 teaspoons ground star anise
Combine all ingredients, and keep a small bowl on hand in the kitchen.


text:
'Havana ooo na na, half of my heart is in Havana ooo na na'.
Ah, the song of last summer on everyone's lips. Ironic how within months of this song being all over my radio, half of my heart was indeed in Havana (ooo na na).
I'm a city girl. I love the convenience of rolling out of bed and heading for a coffee. Popping to the market on a lunchtime. I thrive on the convenience and the hustle and bustle. But, it's not often I fall in love with cities across the world, particularly capital cities.
Usually when I'm travelling that hustle and bustle renders me overwhelmed. It sees me pack my bag and jump on the next bus (or train, or tuk tuk) out of there. I'm always falling in love with new places. Call me a hopeless romantic. But those places are usually far from the city.
Cuba proved to be an exception to my rule. As soon as set foot on Havana's cobbled streets I was overcome by the magic of this irresistible city.
Havana's retro charm is chilled and charismatic, the atmosphere is thick with seduction and nostalgia. Havana is the ultimate throw back to a time gone by.
But of course, all these feels don't come without quirks, so here's a few things to bear in mind before booking that trip.
It's hard to find branded items
As travellers we always carry the necessities anyway. But most countries we visit these days, it's relatively easy to pick up hair conditioner if you run out. Or grab a Coca Cola if you're thirsty.
Don't expect that in Havana.
Sadly, the US embargo and a socialised government has caused some havoc to Cuba's stores.
The range of consumer products does seem to be slowly expanding throughout Cuba's shops, but needless to say, these things take time and the range is still shockingly poor. And, if you do find them, prepare to pay well over the odds.
It's much more fun anyway to join the locals buying fresh food from the street markets and from sellers on bicycles.
One of the things that adds to Havana's charm is a lack of advertising. In a world saturated with adverts, TV and bill board advertising, there is something refreshing about being in a city with a distinct lack of consumerism.
Indeed, there are no chain supermarkets or restaurants here, everywhere remains owned by individuals. If you'll die without your daily Starbucks venti double shot caramel macchiato, then Havana is probably not the city for you.
Who needs Coca Cola anyway when you can have Havana Club?
Peculiar money situation
Surely Cuba is the only country in the world with two currencies?
Locals use Cuban Pesos whilst visitors use the Cuban Convertible Peso (CUC). CUC is a closed currency, so it's not possible to get your currency before entering the country (if you're the organised type of traveller).
With this is mind, it's also worth noting that the ATM game in Cuba is sketchy. For such a big city, Havana seriously has hardly any ATMs. It's worth getting as much as you can from the ATMs at the airport. These seem to be the safest, most reliable, and actually have cash in them.
Don't forget that if your bank is at all associated with the USA, then your card won't work in Cuba. Credit cards are rarely accepted and when they are its always Visa. Hardly ever Mastercard.
Definitely worth preparing for the money situation before arriving.
Me casa es su casa
The usual backpackers' hostels are non-existent in Havana. Hotels are available but are far and few between. The best way to stay in Havana is to find a 'casa particular'. Casas particulares may seem like a strange idea, but living with locals, in their houses, in a private bedroom is by far the easiest (and most fun) way to stay in the city.
The concept may seem strange to you, but to Cuban locals this is nothing out of the ordinary. Their culture is one of 'what's mine is yours'. Casas particulares are all over Havana and are basically the governments version of Airbnb.
A similar thing goes with paladares. Paladares are a relatively new concept in Cuba having only been legalised in recent years. Family run restaurants from family run homes, paladares are small and hidden away, often not visible from the road. But when you find them, they are sure to excite. Menus are usually small, and meals set with rice and beans, vegetables and the main of your choice. Ambiance is authentic, and prices are perfect. Often the families have no professional training, just a cookbook full to bursting with traditional old family recipes handed down the generations.
Off the social media radar
Cuba is the only country I have ever visited where internet consumption is restricted with internet access cards. These cards equate to about $1 for an hour of internet. It's not going to break the bank, but even once you have the pass code there's no guarantees you're logging on as the connection is so terrible.
Certainly not a place for the digital nomads amongst us. It does, however, add to Havana's super chilled vibe where people talk over dinner and play cards over evening rums.
Public phone boxes litter the streets and remain the main source of communication within the city.
If you're going to Cuba be sure to tell friends and family (and followers, clients, facebookers…!) that you'll be uncontactable for while.
I love Havana's quirks. But it's handy to be aware of them before you arrive. Preparation is everything!


text:
This was published 12 years ago
Three die in snowfields
AN AVALANCHE in the Snowy Mountains killed one man, and two others died in skiing accidents on a day of tragedy at the NSW snowfields yesterday.
A skier was buried under several metres of snow and ice near Mount Kosciuszko about 1pm, triggering a large search and rescue operation. In separate incidents two other skiers hit trees on slopes at Perisher Blue.
The avalanche victim was a 22-year-old from Wentworth Falls. He had been skiing with four others in a remote area five kilometres from Charlotte Pass in the Kosciuszko National Park, and was caught under a collapsing cornice, or overhanging crest of hardened snow.
His companions escaped and raised the alarm about 1.30pm. Police co-ordinating the rescue called on emergency teams on snowmobiles and a rescue helicopter was brought in from Sydney.
Earlier yesterday, a 59-year-old man from St Ives, skiing a run called Outer Limits at Blue Cow, slammed into a tree and died at the scene. And as emergency personnel rushed to rescue the avalanche victim, another man died in Sun Valley at Perisher. The 48-year-old Jindabyne man had negotiated the Olympic run, regarded as challenging for experienced skiers, but lost control at the bottom and struck a tree.
By 5.45pm, the search teams had found the body of the avalanche victim where it had been buried in snow for more than four hours. "The body of a man has been found in Kosciuszko National Park following an extensive search and rescue operation this afternoon," a police spokesman said.
The avalanche happened near Blue Lake, in a ridge area favoured by ice climbers. The temperature plunged below zero late yesterday, and rescuers had to contend with snowdrifts of up to 10 metres, said Gary Grant, the general manager of Perisher Blue.
State Emergency Service volunteers and park rangers had prepared to stay overnight at the site of the avalanche, where temperatures were expected to drop to between 5 and 10 degrees below zero.
"They're much further out than we are and the high snowfalls we have been experiencing in the past two weeks mean search patrollers … have to deal with a lot of snow, on top of cold temperatures," Mr Grant said.
The deaths stunned the close-knit alpine community. "Usually we only get one death in a season, but three in one day is unheard of," a Perisher resort worker, Scott Carle, said.
Police were still trying to contact relatives of one of the dead skiers last night. It was the first time there had been multiple skiing fatalities at an Australian resort on the same day. The accidents happened in clear sunny conditions and with good snow cover.
Meanwhile, four of the six Australian climbers rescued after being trapped by heavy snow on New Zealand's highest peak for 36 hours have arrived in Sydney.
Terry Cole, Melissa Clerke, Gerald Osman and Jennie Landon were rescued on Saturday morning after being trapped in a blizzard on Mount Cook.
Ms Clerke's parents were critical of the lack of response from the Department of Foreign Affairs. The family had to call NZ authorities to obtain information about their daughter.
with Noel Towell


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As the UK government continues to contradict itself over Brexit I think the most important story is closer to home.
The National Records of Scotland have produced a series of projections for Scotland's future population growth and the bottom line is simple and unsettling: if EU migration is stopped then the growth of Scotland's population will slow significantly to the extent that our overall population will start to decline again within the next 25 years.
Crucially, all of Scotland's projected population growth in the next 10 years is because of migration. Without EU migration the population of Scotland is projected to decline from 2032 onwards.
This would be disastrous for our economy and society. Scotland's tragic history of exporting our own people has only recently started to be reversed, and it is vital we maintain an open attitude to migration, in and out, and our place in the world. You can read more here:
I realise this is very long term but these figures serve to illustrate that the damage from Brexit will not only be felt today, but for decades to come.
Migration has been great for Scotland, you can read more here:
I want our friends and neighbours from across Europe and the world to have the ability to move here but, for that to be the case, we are going to have to fight against Brexit Britain's immigration policy.
Since 2014 the East of Scotland alone has received £11 million of grants from Erasmus+. Erasmus has created opportunities for Scots (including me) for decades. Not only does this allow university students to travel abroad on exchange but it also provides funding for a variety of projects in Scotland.
Just one example is that St Johnstone Football Club's Under-20s team and the Saints Academy's Under-17s team recently went on a two-week training camp in Portugal which "wouldn't have been feasible without Erasmus funding," according Under-20 coach Alex Cleland. This is just one of the countless opportunities that could be lost without membership of Erasmus+. You can see a list of projects from 2014-17, here
Ian Dunt's account of David Davis's Select Committee on Exiting the European Union appearance shows that even he (surely) doesn't believe the no deal rhetoric.
If you want, you can read a transcript of the entire session here:
Within hours of the appearance, Theresa May contradicted him saying that the House of Commons would have a vote on the deal. His argument that there may not be time is laughable since at least one parliament (the European Parliament) must have time to vote because it is a legal requirement. The EU at least will be democratic.
Ivan Rogers, the UK's former envoy to the EU, was also before the Commons this week. In a fascinating session he said the EU views the UK's plans as "British fantasy land".
Tory whip Chris Heaton Harris wrote to universities demanding they provide him with a list of who is teaching what about Brexit.
Professor Tim Bale provided a wonderfully sarcastic response.
Donald Tusk has emphasised that Brexit can still be reversed.
The CBI, British Chambers of Commerce, the EEF, the Institute of Directors and the Federation of Small Businesses all wrote to David Davis urging a transition deal which May seems to have ignored in her Commons speech.
GlaxoSmithKline is ready to build a new drug-testing facility in the EU because of Brexit.
Liam Fox confirmed that the UK is not bluffing on a 'no deal' Brexit. Assuming we believe him, this is terrifying and has potentially devastating consequences for Scotland.
Fabian Zuleeg of the European Policy Centre has argued that the EU needs to start preparing for a 'no deal' scenario.
Stefaan De Rynck, an advisor to the EU's chief Brexit negotiator Michel Barnier, has conceded that although the EU did not and does not want a 'no deal' outcome, it is preparing for it.
Jens Geier, a German SPD MEP, has emphasised that the EU is in control of the deal: "…in order to get the agreement it wants, Britain has to decide where it's heading. Only then can the rest of the EU know whether no deal is better than a bad deal. For us, that is."
According to an LSE study, young British people feel that the UK Government's Brexit strategy is not focussed on ensuring equality, social justice and shared economic prosperity.
A group of MEPs including Sophie in 't Veld, Seb Dance, Jean Lambert, Claude Moraes, Beatriz Becerra, Cecilia Wikström and Catherine Bearder have written to Home Secretary Amber Rudd saying that plans to force EU nationals to register in any transition period following Brexit would be illegal.
I was in Ireland this week discussing Brexit, the Good Friday Agreement, and how Schrödinger's border is not a credible strategy. Stavros Zenios has written this piece explaining why Cyprus will not work as a model for the Northern Irish border.
The consequences of a hard Brexit could be devastating for the Irish economy and could result in GDP falling by 9%.
Finally, this is a fascinating piece on the potential impact of Brexit on LGBTIQ+ rights by Dr Carmelo Danisi, Dr Moira Dustin and Professor Nuno Ferreira.


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text:
Download the video from iTunes U or the Internet Archive.
Topics: Mode superposition analysis; time history
- Solution of dynamic response by mode superposition
- The basic idea of mode superposition
- Derivation of decoupled equations
- Solution with and without damping
- Caughey and Rayleigh damping
- Calculation of damping matrix for given damping ratios
- Selection of number of modal coordinates
- Errors and use of static correction
- Practical considerations
Instructor: Klaus-Jürgen Bathe
Lecture 11: Mode Superposit...
Related Resources
Study Guide (PDF)
Section 9.3
Problems 9.6-9.11, 9.14
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PROFESSOR: Ladies and gentlemen, welcome to lecture number 11. In this lecture, I would like to continue discussing with you the solution of the dynamic equilibrium equations. We discussed the solution of dynamic equilibrium equations already in lecture number 10. In that lecture, we consider direct integration methods.
In this lecture, I would like to consider with you, discuss with you the mode superposition analysis. The basic idea in the mode superposition analysis is the transformation from the U displacements into a set of new displacements, X.
P is an n by n matrix, which is nonsingular. If P is nonsingular, we should recognize that the vector U of lengths n is uniquely given when we have the vector X, also of lengths n and vice versa. In other words, if we have the vector X, we can calculate U. Or if we have U, we can calculate X. P, of course, has to be a nonsingular matrix. We call this a transformation matrix. And we call the X displacement, that I will be talking about, the generalized displacement.
Now, if we use this transformation, we find that if we substitute this transformation into this equation for U, and we postulate that P shall not be a function of time. So that when we find the derivative of U, with respect to time-- let me denote it by a dot here-- we simply obtain that U dot is equal to P times X dot. And similarly, U double dot is equal to P times X double dot.
If we then substitute for U, U dot, and U double dot-- in other words, for the displacements, velocities, and accelerations-- into this equation, we obtain this equation, provided-- and now, there's one additional step-- after the substitution for the displacements, velocities, and accelerations, we also premultiply the total equation by a P transposed. In other words, what we do is we take a P transposed here, and we are substituting for these vectors here from that relation here.
The P transposed, of course, gives us, also, a P transposed R on the right-hand side. So R curl here is defined as shown down here. Notice that M curl, C curl, and K curl are given as shown here. And they involve, of course, the M, C, and K matrices. And this P here comes via this substitution into these vectors. This P transposed comes from that P transposed here.
Now, what have we been doing so far? Basically, what we have been doing is we have changed bases. We have come from the displacement defined by the finite elements-- by the finite element nodal points-- to generalized displacements. The generalized displacements now govern the equilibrium of the system.
Now, this transformation is effective if we find that our M curl, C curl, and K curl have a better structure than the matrices, M, C, and K. And, of course, if it is simpler to find the P matrix or a P matrix.
Let's look at a very simple case. If, for example, M curl, C curl, and K curl would all be diagonal matrices, then the solution of this set of equations would be very simple. In fact, this is our objective. It is our objective to come up with a P matrix, which when used in this transformation, gives us an M curl, C curl, and K curl matrix that are all diagonal. And, of course, in addition we want to find the P matrix with a minimum amount of effort.
Once we have diagonal matrices here on the left-hand side-- in other words, M curl, C curl, and K curl-- then, we can use our direct time integration schemes, the Newmark method, or the essential difference method. Usually we use the Newmark method. Or we might even be able to solve the decoupled equations. They're decoupled because M curl, CK curl, are diagonal. We might even solve these equations in closed form.
The question then is how do we find P or [UNINTELLIGIBLE] P? We want to find it cheaply. It shall be economical to calculate P. And we want to, of course, have that M curl, C curl, K curl are ideally diagonal matrices.
Well, the P matrix can be constructed-- or a P matrix can be constructed, effectively, by looking at the free vibration equilibrium equations of the system. If we look at these equilibrium equations here, in which we neglect damping and we neglect the right-hand side forces-- we're looking at the equilibrium equations of the dynamic system without damping and without forces applied. And if we look for a solution to this system, then, we can assume a solution of this form. U, of course, being our displacement vector. Phi being all the vector that is independent now of time. And here is the time dependency, sin, omega, omega is a radiant per second circular frequency. t, of course, being the time. And t 0 is a time shift.
If we make this assumption, substitute into here-- when we do substitute, of course, remember we have to take the second derivative of this function here with respect to time because we're taking the second derivative of U here. And that gives us a minus omega squared sin, omega t minus t 0, substituting from here into there. We immediately get this equation because we can cancel out sin omega t minus t 0 on both sides. This is the resulting equation.
So what we now want is to solve for phi and omega squared. This is the generalized eigenvalue problem. The generalized eigenvalue problem because M is a matrix other than the identity matrix in general. And we know that they are n solutions to this problem if K and M are n by n matrices. There are n solutions to this problem.
We call these solutions the eigensolutions. And we call omega 1 squared, I should say, and phi 1 the first eigenpair. This is the second eigenpair, this is the nth eigenpair. There are n such eigenpairs. Each of these eigenpairs satisfies this equation here. Therefore, these are a solution-- we call it an eigensolution-- to this equation.
And in addition, we also can prove-- we can show-- that the phi I vectors-- these vectors here-- are M orthogonal. M orthogonal because phi I transposed M phi j-- for example, phi 1 transposed M phi 2 is equal to 0. And phi 1 transposed M phi j-- sorry phi 1 transposed M phi 1 is equal to 1. And because it's equal to 1, they're not only M orthogonal, they're indeed even M ortho normal.
What we find is that if we look at this eigenproblem, and we notice that a certain vector satisfies this eigenproblem, then also a multiple of that vector satisfies the eigenproblem. And we determine this constant, this undetermined constant, in such a way as to have phi I transposed M phi I equal to 1.
So these are the eigenpairs and the eigenvectors, phi 1 to phi n, satisfy this relation. The eigenvalues, omega 1 squared to omega n squared can be ordered in this way where we find that we might have multiple eigenvalues. Omega 1 might be equal to omega 2. But if we do, we still have only a total number of n such eigenvalues.
I will discuss in the next lecture with you the solution techniques that we're using to calculate these eigenpairs. Let's for the moment assume that we have calculated them. And we want to use them.
Well, if we now define the following matrix, phi capital phi. It's a capital phi because we see crossbars top and bottom here. If we define this matrix as phi 1 to phi n-- in other words, we're taking the first eigenvector, and list it as a first column of this matrix here. The second eigenvector, we list as the second column in this matrix and so on.
So that we find, of course, that this matrix here is an n by n matrix. And if we define a diagonal matrix, omega squared. This is a capital omega. Omega squared, being equal to 0s in the off diagonal elements. But the diagonal elements being omega 1 squared to omega n squared.
Then, we can write the solutions to the eigenproblem. The solutions to the eigenproblem-- and I'm still talking about this eigenproblem problem here. We can write the solutions to this e eigenproblem in the following form.
Notice that this omega squared here has to be on the back of the capital phi. In other words, this is the solution to the problem, K phi equals omega squared M phi, where the omega squared is a scalar and appears here in front. We usually write it in front. Of course, we can put it also at the back because it's a scalar. We can put in front or the back.
However, when we have listed the solutions to this problem in this way, then, we have to put the capital omega squared at the back of M times phi. You can verify that by simply multiplying out the right-hand side.
We also have this relationship here, which is the M ortho normality, the phi ortho normality with M. In other words, this here says nothing else and phi I transposed M phi j is equal to delta I j. We call this the chronica delta. And this chronica delta is equal to 1 for I being equal to j. And it's 0 otherwise.
So we are having this relationship here. And if we use this relationship, and we are premultiplying this equation by phi transposed to capital phi transposed now, both sides. We are finding that we are getting here the identity matrix. And therefore, we're having that this left-hand side is equal to omega squared. This matrix here.
And this is an important fact. In other words, we find that the vectors-- the eigenvectors-- satisfy these two relationships. Now, if we look back at what we started off with in our multiple position analysis discussion, we wanted a matrix that we call P, which is such that P transposed M, P ideally is a diagonal matrix.
Well, we have no such a matrix. If we take phi being equal to P. Then, phi transposed M phi is in fact a diagonal matrix. In fact, a very nice diagonal matrix, the identity matrix, which is a matrix that is diagonal. It has just once on the diagonal.
Similarly, we wondered here that P transposed KP is a diagonal matrix. Well, we have achieved that by this phi matrix. So the phi matrix is, indeed, a particular P matrix that we can use.
So what we are then saying is let us use a multiple position analysis this particular P matrix. The P matrix, which is equal to the phi matrix and phi storing the eigenvectors of the generalized eigenproblem.
Well, substituting from here, as before, into the governing dynamic equilibrium equations, we directly obtain this equation. However, we notice now that this matrix here, in general, is not yet a diagonal matrix. We call that our C curl. And our C curl has not been diagonalized yet. We will have to deal with that matrix still a little later.
How do we solve these equations? Well, if we solve these equations, we have to also recognize, of course, that we have to include the initial conditions to the problem. And the initial conditions mean that the initial displacements are defined and the initial velocities are defined.
These, of course, are the initial conditions that are used in the direct integration solution of the governing dynamic equilibrium equations. Well, if we are now performing the solution of this set of equations, we will have to transform these initial conditions to initial conditions on the generalized displacements. And that is achieved via these relations here.
Let us see how we derive these. Well, if we look at this equation here, and if we notice that, of course, this equation must be applicable 4 times 0. We can simply put a 0 there. And we put a 0 there.
Then, of course, we also recognize that we can premultiply this equation with this relation here. And if we do that on the right-hand side, we notice that phi transposed M times that phi is the identity matrix.
And so we have this relation directly obtained. The left-hand side in this equation is the right-hand side in this equation. And the right-hand side here is simply this 0 x now. The same holds also for the initial velocity. We can simply put dots on top of the U here and of the X. And therefore, we have this relation here.
So the solution of this set of equations and with these initial conditions subject to these initial conditions, gives us a solution to of the dynamic response. Now, I should mention here that we still have to deal with the damping matrix.
The damping matrix here needs particular attention. We do not have, in general, a diagonal matrix here. And we will want to construct specific damping matrices with which we can deal, effectively. And yet, of course, these matrices must make, physically, sense.
Let us look now, however, first at the case where we neglect damping. When we neglect damping, we have this set of equations and individual equations of this form. Notice that these are individual equations because this is a vector. This is a diagonal matrix. And on the right-hand side, we simply have a vector off load, of course, time dependent.
So we can look at the first row in this matrix relation. And the first row in that matrix relation will be this equation here with I equal to 1. The I-th row in this relation here is the I-th equation here. In other words, I subscripts on the [UNINTELLIGIBLE].
And, in general therefore, we want to solve n such equations. I going from 1 to n, with this being the load vector and, of course, with the initial conditions. These initial conditions are obtained by simply looking at this equation here and extracting the I-th row from each of these two relations.
So this is then the problem. Notice the following that if we solve all n equations with these initial conditions, then, if we use, for example, the Newmark direct integration method on these equations, we would obtain exactly the same solution as if we had solved the fully coupled equations. The fully coupled equations-- let me write them down once more here-- plus KU equals R.
In other words, whether we apply the Newmark time integration scheme, a direct integration scheme, to this set of equations with the initial conditions on U and U dot or apply the Newmark direct time integration scheme to this set of equations, or rather this one here with these initial conditions, we obtain exactly the same response provided we use the same time step, delta t in both integrations.
There has been no assumption so far. All we have done is a transformation from the U displacements to the X displacements. And this transformation is effective if we can find the phi matrix that we're using in the transformation very cheaply, very economically. Well, the effectiveness, really, of multiple position goes beyond what I have just described.
The important point in multiple position analysis is that we do not need to solve all of these equations. That we do not need to solve and look at all of the decoupled equations. But let us look first once also at how we can solve the decoupled equations now exactly. Where we can solve them exactly for example using a Duhamel integral formulation as shown here. X i of t is given via this relation here. And we would, of course, substitute our ri of tau where we now assume that this part here is given, directly.
In a computer program, very frequently r i would only be given as a segment of straight lines. And if that is the case, then, of course, we might have to still evaluate all of this here numerically if the segment is very complicated, complex, like an earthquake analysis. ri might be varying very rapidly. And then, we might still want to evaluate this, numerically.
However in general, we can evaluate here this relationship analytically. And we don't need to use numerical integration. Having got xi, of course, we get our U of t as shown here by our transforming back.
Well, the important point that I now would like to get back to you and discuss with you for a little while is that we do not need to use or to solve all of these equations in multiple position analysis. In fact, multiple position analysis is only effective when we do not need to look at all of these decoupled equations. If we have to solve all decoupled equations, then, we would have to calculate, course, first all eigenvalues and eigenvectors, which can be an enormous expense. And then, the multiple position analysis would not be effective.
I would like to repeat, however, if we do solve all decoupled equations, using a specific time integration scheme with a specific data t time step. Then, if we use the same time integration scheme on decoupled equations with the same time step, we must get exactly the same response. Then there has been no assumption so far.
Well, however, if we then do neglect some of the equations here. We do not solve some of the equations. Then, of course, our response will be different that we are predicting via this approach when we compare with the response predicted by solving these equations.
Well, let us look once at this graph again, which we already looked at briefly in the last lecture. And I would like to explain to you now why it is not necessary to solve all of the decoupled equations in multiple position analysis. Why it is not, in general, not necessary?
Well, if we look at a single oscillator equation, as given here. I include a damp in here, of course, side can be equal to 0. Where P is the driving frequency, omega is the frequency of the oscillator itself.
And if we plot the maximum dynamic response observed, which we define if the dynamic load factor when we divide that maximum dynamic response by the static response, we get this set of curves. Let us look at say the curved side equal to 0 a little bit closer. If we do that, and if we solve this equation with side equals 0. This term now not being there. For certain values of P over omega, we are getting this curve here and that curve here.
What do we notice? Well, we notice that when P over omega is equal to 0, we are getting the static response. Or P over omega very small, we're getting the static response. This means, of course, that omega, the system frequency, is much larger than the applied frequency, which means really that this oscillator is extremely stiff. Well, when compared to the frequency of load application.
So then, we are in this range. And we notice that say P over omega in this range here, smaller than a certain value, and this is here 0.5 say, smaller than 0.2. We would see that basically, the maximum dynamic response is really just nothing else than the static response.
So we are talking in this region here really about static response. And in this region here, we are talking about a truly dynamic response. Now what does that mean? Well, if we look at our decoupled equations here, it means that if i consist of frequencies, basically, which when measured on the system of the oscillator frequency are very small, we, basically, would have a static solution. You would, basically, have a static solution for this equilibrium equation.
A truly dynamic solution will only be obtained when P, in other words, the frequency of the load divided by omega, falls into this range here. Well, this is what we are using in most superposition analysis.
We only need to consider those frequencies of the system. And these are the frequencies of the systems, the omegas, which are truly excited by the dynamic loads. We only need to look at those decoupled equilibrium equations for which we have that the frequencies in the decoupled equations are truly excited by the dynamic loads.
Now, I only talked about the P value here. Of course, in an actual analysis, we would find that ri of P contains a number of frequencies, a spectrum of frequencies. Well, what we have to do is look at the highest frequency that is contained in ri. And we measure that highest frequency on the frequencies of the system.
If that highest frequency divided by the frequency of the system is falling into this range here, we are talking about a static response, basically. And we do not need to consider those equilibrium equations in are multiple position analysis.
Well, so what we are then saying is let us all solve these equations not from i equals 1 to n but from i equals 1 to P. And then, instead of obtaining the true response, the "exact" response, we are obtaining a response U P. i equals 1 to P. Phi i, x i gives us U P, where U P is an approximation now to the U displacements. And the U displacements, once again, are the solution to this system of equations.
How can we find out the error? Well, if U P is an approximate solution to the system of equations that we want to solve, then, let us substitute back into that system of equations. Let me write it down once more here. We have MU double dot plus KU equals R that we want to solve.
Well, we can also write that, of course, MU double dot plus KU minus R. And this shall be 0. So if we have an approximate solution to this set of equations, why not just substitute that approximate solution in here and see how large the right-hand side is. If it's exactly 0, well, then we have that our U P is, indeed, very close to U. And if it's exactly 0 because U P would be equal to U.
We will not find this to be 0. We will never find it to be 0 because in a computer, we would, of course, use finite digit arithmetic to evaluate the left-hand side. And we would have at least round off. But what we want is at the right-hand side calculated, which we now might call some value shall be close to 0. And that means really what we want to measure is this part here.
Now what have I written down here? I have here epsilon P of t being this vector here. This is a vector. And we can call this an out of balance load vector divided by the applied load vector. Notice that what I'm doing here, I take the norm of this vector because I want to get a single number. I want to get a single number here, which is representative of all the elements in that vector.
The same applies here. This norm is calculated by taking each value in this vector, squaring that value, adding the squares of the values up, and then, taking a square root out of that final value.
In other words, if we write it down here, quickly, what we do is if we have a vector a, and we want to find this norm. What we do is we take a 1 squared plus a 2 squared, et cetera, add all the individual entries up of that vector here-- squares of the entries up-- and then, take the square root out of it. And that gives us a single number, which is representative of all the elements in that vector. Notice that if one element is large, well then, this value must be large, too, because that one element will make this value large here.
Well, if epsilon t is close to 0, assuming that r of t is not 0, of course. Otherwise, you couldn't use this. You would have to use some equivalent approach. If epsilon P is close to 0, then, we know that our equilibrium equation has been solved quite accurately.
In general, we might find that it's not close to 0. And what we want to do is a static correction. This static correction takes into account the fact that we have neglected the higher modes. And in the higher modes, of course, we know we have basically static response. that's why we did not include those equations in the multiple position analysis.
So what do we do in that static correction? We recognize that R could be written in this form. This RI is exactly the value that I defined earlier. M phi i is a vector. You see, I can take M and multiply it by phi i, and I get a vector.
Now they are in such a vectors. We might not have calculated all n. But you can say that indeed, in theory there are n. So we can write this down.
We also then can calculate the delta R, which is that amount of the load vector, which has not been included in the multiple position analysis. How do we obtain it? Well, we know R is the total load vector. And if we now sum instead of i equals 1 to n, only from i equals 1 to P, we are getting this part here.
But this part is exactly what we have included in the multiple position analysis already. So we are left with a vector on the left-hand side, which we have not included in the multiple position analysis. And we did not include it because we knew at most, we can have static response, corresponding to these loads.
Let us now calculate that static response. That's done right down here. Now, this static response has to be added to the response which we predicted in the multiple position analysis. Let us now go to the case with damping included. So far we neglected that.
Now, with damping included, we have this part here, too. Notice phi transpose C phi, in general, is not a diagonal matrix. And that's why I considered first the case without damping. However, if we have proportionate damping, and in structural analysis, frequently, all that is necessary is to include proportionate damping. Which we postulate to be of this form. 2 omega i xi i. Delta ij is again the chronica delta, which is equal to 1 when i is equal to j and is equal to 0 otherwise.
So if we are postulating this, where omega i, of course, is given. That is the free vibration frequency, which is stored in this matrix here. xi i is a value, which we are not given yet. We have not discussed it yet. But if we postulate that this matrix here, basically, or each entry in that matrix can be written in this way. Then, indeed, we would have decoupled equations.
It turns out that in practice, as I mentioned already, this is all that is necessary to include damping appropriately. Well, if we know these xi i values, then, we can also construct a C matrix with the xi i values given. The xi i values are frequently obtained from experiments. In other words, the structure is taken, its vibrated, it's excited into certain vibration modes. And from these experiments then, we obtain the xi i value.
So once we have the xi i value given, we can calculate the C matrix. And one way of calculating is to use the Caughey series. Here we have the Caughey series, which was proposed for calculating the C matrix, which satisfies this criteria. In other words, damping is proportional.
Well, if the psi i values are given, we can calculate the omega i, of course are also given. We can calculate using this equation, the constants a 0 to ap minus 1. Once we have these constants, we can substitute them into here and be coming up with a C matrix. And this C matrix here, indeed, satisfies the normality property shown here.
So, in other words, given the psi i values from experimental results, given the omega i values, we can calculate a C matrix that, in fact, gives us a diagonal matrix when we carry out phi i transposed C phi j.
A special case of this C matrix is Rayleigh damping, used abundantly in practice. Where we just include the first two terms, alpha and beta being constants now. Let us go through a particular example.
Let's say that we know the critical damping psi 1 is 0.02 and psi 2 is 0.10. In other words, 10% critical damping in the second mode and 2% critical damping in the first mode. The corresponding frequencies are 1 and 3.
We want to calculate our friend, beta. Well, what we do is use this C matrix in the relation, phi i transposed, C times phi i. And that should give us 2 omega psi i. Of course, we have two i values, i equals 1 and i equals 2. So we can apply this equation twice.
Well, when we calculate it out, we get this. Applying it twice, we directly obtain these two equations here. And we solve these two equations for alpha and beta. Having alpha and beta, we can substitute now back into this equation here and have our C matrix.
This would be, for example, a C matrix that we could use in a direct integration analysis. You see, if we are performing a multiple position analysis, we might know, from experience, from experimental results, that psi 1 and psi 2 are of these two values.
And then, if we know that we have so much critical damping or so much damping in the first and second vibration mode, and we want to perform a step-by-step direct integration analysis, we would have to construct a C matrix. And this is the procedure to construct a C matrix.
Then, of course, we would have to ask ourselves well, knowing these psi values for omega 1 and omega 2, what are now the psi values that we are implicitly using for the higher modes when we employ this specific C matrix? And we use now, this equation here. This is the equation, which we already derived on this view graph here by looking at this relation. You are now using this equation because this equation must be applicable not just for psi 1 and psi 2 but for all psi values.
Well, then using this equation, we can solve for the psi values. And, of course, psi 1 and psi 2, substituting alpha and beta in here and omega 1 and omega 2 would, indeed, be just 2% and 10%, 0.02 and 0.10.
However, we can now use this equation to get the high xi values. And there's something to be observed, which is quite important, namely we notice that the beta value that we calculated is associated with the high frequencies, basically. And the alpha value goes away. Or this contribution goes away when we're looking at the high frequencies.
For high frequencies therefore, the beta value is a dominant factor. And for low frequencies, the alpha value is the dominant factor. In other words, once again, looking at this equation here, in the high frequency response, beta K, really, will determine the damping. And in the low frequency, the response is really the alpha value that determines the damping.
Well, the response solution now would be performed in exactly the same way as before. As in the case of no damping, we solve now again P equations. P equations only. And we are doing that by looking at this equation and with, of course, ri being given as shown here and the initial conditions being given here.
Solving this equation here via numerical integration or exact integration, using, for something, Duhamel integral, we obtain the xi values as a function of time. We substitute into here to get our U P, which is an approximation to the solution of the dynamic equilibrium equations. The dynamic equilibrium equations now being MU double dot plus CU dot plus KU, being equal to r.
Notice we have a C matrix in here now. However, and this is an important point, we have a specific C matrix constructed such that the phi i transposed C phi j gives us a diagonal matrix with the diagonal elements being equal to 2 omega i, psi i. And one of these matrices, for example, would be the Rayleigh matrix. The matrix obtained using Rayleigh damping, rather.
The important point is, once again, that all we have been doing so far is to make a change of bases from the finite element coordinates to the generalized displacements, xi. That was the first step. The second step was that we are neglecting the modes P plus 1 to n by only solving the first P equations here and using this as an approximation to the actual solution.
The important point, of course, is now that we have to ask ourselves when is multiple position analysis really effective? Some considerations I have here summarized on the last view graph. The multiple position analysis is effective when the response lies in only a few modes.
What does this mean? It means that if we look at our eigenvalue problem, K phi equals omega squared M phi. We only need to solve this eigenvalue problem for a very few modes. In other words, P being much smaller than M, I will only have to solve for phi 1 up to phi P and omega 1 squared up to omega P squared.
This is a very important point. I assumed here that we are taking the lowest frequencies, omega 1 to omega P. Of course, in general analysis, it might just be necessary to calculate certain frequencies, say omega 10 to omega 20. We only want to find the frequencies in a certain range because we know that the excitation frequency only lies in a particular range. That would be, for example, the case in vibration excitation analysis.
This then is a requirement for multiple position analysis, really, to be effective. When the response is obtained over many time intervals, then multiple position analysis also becomes effective. We should remember here that if we perform a direct integration analysis, and if that is an implicit direct integration analysis, using the Newmark method, for example.
Then, the number of operations that we talked about in the Newmark method was 1/2 nm squared. That is the initial triangular factorization that we have to perform. m being the half bandwidth. Plus 2 nm. n is the order, of course, of the system. m is the half bandwidth, once again. Times t, the number of time steps.
This is an initial expense that we have to perform, using the direct integration Newmark method, for example. The same holds for the Wilson Theta method. or the Houbolt method. This is an initial expense.
And then, we perform this number of operations for each time step. Now, if we have to run 5,000 time steps, then direct integration would be extremely, extremely expensive. And, in fact, you might not be able to afford it, using implicit direct integration.
Well, therefore, you can see directed by looking at this operation column. What should make the analysis more effective is to bring down the bandwidths. And, of course, this is exactly what we're doing in multiple position analysis. We are going from a bandwidth of m to a bandwidth of 0. You are having a diagonal matrix.
Remember, the bandwidths we defined to be the number of off diagonal elements here that we are having. We did not include the diagonal. That is a half bandwidth. If you look at the total band here-- that total band here was equal to 2m plus 1.
So if we are reducing the bandwidths, as we do in multiple position analysis, then we can see immediately that this number of operations here, which is directly proportional to the number of times steps goes down. And that is exactly the objective in multiple position analysis that I talked about earlier. That is the first important objective. We want to reduce the bandwidths for the direct integration analysis.
The second objective, of course, is that we do not need to even consider all of the equations. So looking at n. We are reducing n, also. We are not looking anymore at n equations. We are looking at P equations. And we are reducing the bandwidths as I said earlier. m goes to 0. And n goes to P. Of course, this is an approximate count here.
So basically, you can see that in the solution using multiple position analysis, the number of operations in the time integration of the decoupled equations is relatively small, is little. And, in fact, this solution here can be obtained very, very effectively. The time integration of the decoupled equations is very effective in an actual practical analysis.
Where the expense lies in multiple position is really in the calculation of the required frequencies and motions. And, of course, this is exactly the subject of the next lecture where I want to discuss with you the effective solution techniques for calculating these vectors and frequencies. Multiple position analysis is effective, altogether only, when we can calculate these eigenvalues and eigenvectors in an effective way.
I should also finally, once again, emphasize that it may be important to calculate the error, epsilon pt that I referred to. Or to add a static correction to the predicted response in the multiple position analysis when P is, of course, much smaller than n. We have neglected the high frequency response here. That high frequency response is a static response, in general. And should be taken into account via say static correction, as I have been discussing with you.
This is all I wanted to say in this lecture. Thank you very much for your attention.
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text:
Cabinet passes model law: Malls, cinemas can stay open 24/7 for 365 days
The Union Cabinet chaired by the Prime Minister Narendra Modi has considered the Model Shops and Establishment (Regulation of Employment and Conditions of Service) Bill, 2016 which allows shops, restaurants, cinemas, banks and other such establishments to be open round the clock for 365 days.
The Bill will be further sent to States/UTs so that they will be able to modify their individual Acts, if they so desire. The States/UTs can either adopt the Bill as it is or modify its provisions as per their requirements.
Objective : The model law is aimed at generating addition employment as the shops and establishment will have freedom to operate for longer hours requiring more manpower.
The main features of the draft model Bill are as follows:-
⇒ It will cover only establishments employing ten or more workers except manufacturing units.
⇒ The Bill provides for freedom to operate 365 days in a year and opening/closing time of establishment.
⇒ The bill provides for women to be employed on night shifts with adequate security , provision of rest rooms and transportation while also listing working conditions such as drinking water, canteens, first aid, lavatory and a creche.
⇒ No discrimination against women in the matter of recruitment, training, transfer or promotions.
⇒ Online one common Registration through a simplified procedure.
⇒ Powers of Government to make rules regarding adequate measures to be taken by the employer for the safety and health of workers.
⇒ Clean and safe drinking water.
⇒ Lavatory, creche, first aid and canteen by group of establishments, in case, it is not possible due to constraint in space or otherwise by individual establishment.
⇒ Five paid festival holidays in addition to national holidays etc.
⇒ Exemption of highly skilled workers (for example workers employed in IT, Biotechnology and R&D division) from daily working hours of 9 hours and weekly working hours of 48 hours subject to maximum 125 over-time hours in a quarter.
⇒ Provides freedom to the establishment to operate 365 days and also their opening/closing time.
Comment : The Model Bill would bring about uniformity in the legislative provisions, making it easier for all the States to adopt it and thereby ensuring uniform working conditions across the country and facilitate the ease of doing business and generate employment opportunities.


text:
My dad very quickly developed Alzheimer's. He was fine this summer. This evening, he wrote down and explained to us how my aunt should carry out some bank transactions. He was very lucid and logical. Two minutes later, he got lost and my mom had to show him where his bed is. He is already on medication and seeing a specialist, and my mom is selling his car so he won't drive. It's very odd how only certain parts of his memory regarding location are affected.
Tomorrow, I'm putting signs on all the doors in the house, and posting maps. Any other suggestions?


text:
To assist a Hopewell Resident to remain informed of all aspects of their treatment and care, the following guidelines have been adopted to ensure that their rights are preserved and also that they are aware of their responsibilities.
Residents have the right to:
- Health care of the highest quality, maintaining standards of professional excellence.
- Be informed of the health care service provided including the extent of insurance coverage for services and supplementary costs.
- Have impartial access to treatment that is available regardless of race, creed, sex or national origin.
- Courteous, considerate care with respect for the resident's feelings, personal privacy and dignity at all times.
- Obtain from the health care professional responsible for coordinating their care complete and current information concerning investigations to be performed, diagnosis (to the degree known) and nature and risks of any proposed treatment.
- Have information communicated in terms they can be reasonably expected to understand.
- Refuse treatment to the extent permitted by law.
- Residents' responsibilities
- Advise their treating health care professional if they do not understand any aspect of their care including their own condition and the purpose of their treatment before agreeing to that treatment.
- Know their own health history and provide, to the best of their knowledge, accurate and complete information about present complaints, past illnesses, hospitalisations, medications and other matters regarding their health.
- Follow the Resident-focused Care Plans developed in consultation with the Resident's family and the Health Practitioner.
- Be considerate of the rights of the other Residents and of Hopewell Hospice personnel.
Privacy and confidentiality
The collection of information pertaining to the provision of care is collected under strict guidelines in accordance with the National Privacy Principles 1-10 of the Privacy Act. Residents have the right to expect consultation and discussion regarding any aspect of the client's care be conducted in total confidentiality and not be released without written consent from the client unless considered medically necessary in emergency circumstances.


text:
Sea Eagles focused on title not probe
MANLY skipper Daly Cherry-Evans insists the NRL's salary cap probe will not disrupt the Sea Eagles premiership focus.
The NRL integrity unti began investigations this week after the club was accused of making illegal top-up payments to players.
However Cherry-Evans said rumours and speculation will not distract the club who currently sit in the top four ahead of the finals in seven weeks.
"If something actually goes wrong, of course it will. But as far as speculation goes, that's not derailing anyone's season," Cherry-Evans said.
"We'll continue to do our job as players and try and win football games. And front office are going to make sure that they do everything they can to get this club's name cleared again."
While frustrated he and his teammates have had to address the allegations publicly Cherry-Evans applauded his club's approach to the issue.
"I applaud the front-foot mentality to have it all done as soon as possible," he said.
"The damage can be done just from the allegations themselves but hopefully there's a big song and dance about it if and when we are cleared."


text:
Diagnostic value of 8-isoprostane and transforming growth factor-β in bronchial asthma patients
Amgad Frahat1, Yousef Mansour1, Ayman Eldib1, Doaa Alsed2
1 Chest Department, Faculty of Medicine, Tanta University, Tanta, Egypt2 Tanta Chest Hospital, Tanta, Egypt
Correspondence Address:Source of Support: None, Conflict of Interest: NoneCheckDOI: 10.4103/ejb.ejb_18_17
Source of Support: None, Conflict of Interest: None
DOI: 10.4103/ejb.ejb_18_17
Background Asthma is an airway inflammatory disease with functional and structural changes, leading to bronchial hyperreponsiveness and airflow obstruction. 8-Isoprostane (8-iso-PGF2α) is considered a marker of oxidative stress specific to lipid peroxidation, transforming growth factor β1 (TGFβ1) as an important fibrogenic and immunomodulatory factor known to induce structural changes associated with asthma. Objective We aimed to study the diagnostic value of 8-iso-PGF2α and TGFβ1 in asthmatic patients. Patients and methods Samples of serum and bronchoalveolar lavage fluid from 40 asthmatic patients (20 moderate and 20 severe) and 10 healthy volunteers were assessed for their levels of 8-iso-PGF2α and TGFβ1. Results Bronchoalveolar lavage 8-iso-PGF2α and TGFβ1 was higher in asthmatic patients. It was significantly increased with increased asthma severity. Conclusion Increased levels of TGFβ1 and 8-iso-PGF2α is associated with disease severity. However, there is need for continued exploration on the mechanisms responsible for these structural changes.
Keywords: airflow obstruction, asthma, biomarker, hyperreponsiveness, inflammation, 8-iso-prostaglandin F2α, transforming growth factor β1


text:
Welcome inside
The columns and the large copper ports makes an impressive main entrance to Konserthuset Stockholm. But there are also other entrances to our beautiful venue!
Opening hours during concerts
Konserthuset Stockholm opens when:
- Concert in the Main Hall: 90 minutes before a concert (except for Family and Organ concerts).
- Family concert: 60 minutes before the concert.
- Organ Concert: 30 minutes before the concert.
- Concert in Grünewald Hall: 60 minutes before the concert (except for the Sopp Concert).
- Sopp Concert: 35 minutes before concert.
Our entrances
- Enter the Main Hall from Hötorget via the main entrance or via the entrance next to the box office.
- The entrance to the Grünewald Hall is on Kungsgatan 43.
- The entrance to the Aulin Auditorium is on Hötorget 12. The entrance can be found on the side of Konserthuset Stockholm which faces the tall buildings beside Hötorget.
Detailed information on Konserthuset Stockholm's entrances
To ensure evacuation routes are kept clear, prams may not be taken into the halls or foyers. They may be left at a designated location in the vestibule inside the main entrance from Hötorget.
Entrance lift
A manned lift is accessible from the Stockholm Metro exit to Konserthuset Stockholm (on Kungsgatan 41) and next to the box office. The lift normally opens one hour before the concert begins.
- Main Hall: You can gain access to all floors (cloakrooms, stalls, first and second balcony) directly using the lift.
- The Grünewald Hall: You can access the Grünewald Hall stalls via the lift. Our ushers can show you the way. There are two steps between the lift level and the Grünewald Hall stalls level, with a stairlift located in between. You can access the Grünewald Hall gallery via the lift and the foyers on the second balcony. Our ushers can help you here too.
- The Aulin Auditorium: The Aulin Auditorium is currently closed for public activities due to redevelopment work. Among other things, we are improving accessibility through the addition of a ramp between the lift level and the hall itself.
Detailed information about the lifts at Konserthuset Stockholm


text:
Mike has over 30 years' industry experience and is the Managing Director of Pensionlite. He is a Chartered Financial Planner & Fellow of the Personal Finance Society. In addition he is a pension transfer specialist and holds the Certificate in Discretionary Investment Management.
Michael Shaw FPFS
Lorna is an experienced Chartered Financial Planner with 14 years' experience within the banking and finance industry and is a Fellow of the Personal Finance Society. Lorna is also a Pension Transfer Specialist and has been nominated for the Women in Financial Advice Awards 2019.
Lorna Young FPFS
Alex is a Chartered Financial Planner and Pension Specialist. He focuses on pension savings and consolidation, retirement options and transfers of Final Salary/Defined Benefit pension schemes.
Alexander Milligan BA (Hons), APFS
Louise is a Financial Adviser and Pension Transfer Specialist. Louise can provide advice in areas of investments and pensions, including Defined Benefit/Final Salary arrangements.
Louise Morgan DipPFS
Tom is a fully qualified Financial Adviser specialising in pensions and investments. He completed an undergraduate degree and additional masters' degree in business and finance.
Thomas Williams BA (Hons), PGDip, DipPFS
Hayley has worked in Financial Services for 20 years, the first 10 years in Training & Compliance for a Network. Hayley manages the Client Support Team here at Pensionlite and takes care of new enquiries and existing clients.
Hayley Beddow Cert CII (FS)
Sharon has been working in Financial Services for over 20 years. She has experience in management and technical research roles and oversees the operational running of the business. Sharon holds the Diploma in Financial Planning and the Certificate in Discretionary Investment Management.
Sharon Purewal DipPFS
Rod has over 30 years' experience as a Financial Planner and heads up the Pensionlite Wealth Management Service providing holistic financial advice to the firm's High Net Worth Clients.
Rodney Ings ACII, FPFS
Rob is an experienced Financial Planner with over 17 years' in the industry, providing advice ranging from pensions, pre and post retirement, investments, inheritance tax planning and estate planning.
Rob Venvil BA (Hons), DipPFS
Andy has over 40 years' industry experience as a Financial Adviser and specialises in advising on pension planning and investments.
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Pippa has worked for the firm for over eight years and specialises predominantly in pensions and investments. Pippa graduated with a 1st class honours degree in International Business Management and has since completed a Diploma in Financial Services.
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text:
Accounting Seminar(2019-17)
Topic:Earnings Management via Not-wholly-owned Subsidiaries
Speaker:Frank Zhang,Yale University
Time:Wednesday, Dec 25th, 10:00-11:30 a.m
Place:Room 217, Guanghua Building 2
We explore a new mechanism of earnings management whereby a parent company shifts income from not-wholly-owned subsidiaries to itself to avoid losses. Consolidated net income attributable to the parent company increases if earnings are shifted from not-wholly-owned subsidiaries to the parent, as the parent company enjoys the full amount of earnings shifted rather than sharing earnings with minority investors. In general, net income and noncontrolling interest in subsidiary earnings exhibit a strong positive correlation, suggesting that a firm's earnings performance tends to co-move with its subsidiaries' earnings. However, this positive relation turns significantly negative for firms just meeting or beating zero earnings, indicating that firms opportunistically decrease earnings of not-wholly-owned subsidiaries to manage consolidated net income to avoid losses. Income shifting from subsidiaries to the parent firm is mainly driven by firms with a very large percentage of noncontrolling ownership. In addition, related-party transactions and concurrent appointment of a parent' s top management member to subsidiaries' management team play a complementary role in facilitating such income shifting. Overall, our evidence not only demonstrates a new mechanism of earnings management via not-wholly-owned subsidiaries, but also highlights the negative consequences to minority investors of income shifting from subsidiaries to the publicly listed company.
Frank Zhang is a professor at Yale University. His research focuses on empirical capital market researches, including stock anomalies, fundamental analysis, investor and analyst behavior, management incentives, and corporate financial reporting. He has published about 20 papers in leading accounting and finance journals, such as The Accounting Review, Journal of Accounting Research, Review of Accounting Studies, Journal of Finance, and Review of Financial Studies. He is currently a member of the FARS Steering Boad and an Associate Editor of Management Science. He has a PhD from the University of Chicago.
Your participation is warmly welcomed!