text: /*
  ==============================================================================
  KratosULFApplication 
  A library based on:
  Kratos
  A General Purpose Software for Multi-Physics Finite Element Analysis
  Version 1.0 (Released on march 05, 2007).
  
  Copyright 2007
  Pooyan Dadvand, Riccardo Rossi, Pawel Ryzhakov
  pooyan@cimne.upc.edu 
  rrossi@cimne.upc.edu
  - CIMNE (International Center for Numerical Methods in Engineering),
  Gran Capita' s/n, 08034 Barcelona, Spain
  
  
  Permission is hereby granted, free  of charge, to any person obtaining
  a  copy  of this  software  and  associated  documentation files  (the
  "Software"), to  deal in  the Software without  restriction, including
  without limitation  the rights to  use, copy, modify,  merge, publish,
  distribute,  sublicense and/or  sell copies  of the  Software,  and to
  permit persons to whom the Software  is furnished to do so, subject to
  the following condition:
  
  Distribution of this code for  any  commercial purpose  is permissible
  ONLY BY DIRECT ARRANGEMENT WITH THE COPYRIGHT OWNERS.
  
  The  above  copyright  notice  and  this permission  notice  shall  be
  included in all copies or substantial portions of the Software.
  
  THE  SOFTWARE IS  PROVIDED  "AS  IS", WITHOUT  WARRANTY  OF ANY  KIND,
  EXPRESS OR  IMPLIED, INCLUDING  BUT NOT LIMITED  TO THE  WARRANTIES OF
  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  IN NO EVENT  SHALL THE AUTHORS OR COPYRIGHT HOLDERS  BE LIABLE FOR ANY
  CLAIM, DAMAGES OR  OTHER LIABILITY, WHETHER IN AN  ACTION OF CONTRACT,
  TORT  OR OTHERWISE, ARISING  FROM, OUT  OF OR  IN CONNECTION  WITH THE
  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  
  ==============================================================================
  */
   
   
  //   
  //   Project Name:        Kratos       
  //   Last Modified by:    $Author: rrossi $
  //   Date:                $Date: 2007-05-16 13:59:01 $
  //   Revision:            $Revision: 1.3 $ 
  //
  //  this process puts a IS_FLUID flag on the nodes of fluid elements 
  
  #if !defined(KRATOS_MARK_FLUID_PROCESS_INCLUDED )
  #define  KRATOS_MARK_FLUID_PROCESS_INCLUDED
  
  
  
  // System includes
  #include <string>
  #include <iostream> 
  #include <algorithm>
  
  // External includes 
  
  
  // Project includes
  #include "includes/define.h"
  #include "processes/process.h"
  #include "includes/node.h"
  #include "includes/element.h"
  #include "includes/model_part.h"
  //#include "custom_utilities/geometry_utilities2D.h"
  #include "custom_elements/updated_lagrangian_fluid.h"
  
  
  namespace Kratos
  {
  
  	///@name Kratos Globals
  	///@{ 
  
  	///@} 
  	///@name Type Definitions
  	///@{ 
  
  
  	///@} 
  	///@name  Enum's
  	///@{
  
  	///@}
  	///@name  Functions 
  	///@{
  
  	///@}
  	///@name Kratos Classes
  	///@{
  
  	/// Short class definition.
  	/** Detail class definition.
  		Update the PRESSURE_FORCE on the nodes
  
  		
  	*/
  
  	class MarkFluidProcess 
  		: public Process
  	{
  	public:
  		///@name Type Definitions
  		///@{
  
  		/// Pointer definition of PushStructureProcess
  		KRATOS_CLASS_POINTER_DEFINITION(MarkFluidProcess);
  
  		///@}
  		///@name Life Cycle 
  		///@{ 
  
  		/// Default constructor.
  		MarkFluidProcess(ModelPart& model_part)
  			: mr_model_part(model_part)
  		{
  		}
  
  		/// Destructor.
  		virtual ~MarkFluidProcess()
  		{
  		}
  
  
  		///@}
  		///@name Operators 
  		///@{
  
  		void operator()()
  		{
  			Execute();
  		}
  
  
  		///@}
  		///@name Operations
  		///@{
  
  		virtual void Execute()
  		{
  		KRATOS_TRY
  			
  		for(ModelPart::NodesContainerType::const_iterator in = mr_model_part.NodesBegin(); in!=mr_model_part.NodesEnd(); in++)
  		{
  			in->FastGetSolutionStepValue(IS_FLUID) = 0.0;	
  		}
  
  		ProcessInfo& proc_info = mr_model_part.GetProcessInfo();
  		double dummy;
  		for(ModelPart::ElementsContainerType::iterator im = mr_model_part.ElementsBegin() ; 
  				im != mr_model_part.ElementsEnd() ; ++im)
  		{  
  			im->Calculate(IS_FLUID,dummy,proc_info);
  		}
  /*				if( (in->GetValue(NEIGHBOUR_ELEMENTS)).size() != 0)
  					{
  					in->FastGetSolutionStepValue(IS_FLUID) = 1.0;
  					
  					}
  				else 
  							in->FastGetSolutionStepValue(IS_FLUID) = 0.0;
  		}*/	
  		KRATOS_CATCH("")
  		}
  
  
  		///@}
  		///@name Access
  		///@{ 
  
  
  		///@}
  		///@name Inquiry
  		///@{
  
  
  		///@}      
  		///@name Input and output
  		///@{
  
  		/// Turn back information as a string.
  		virtual std::string Info() const
  		{
  			return "MarkFluidProcess";
  		}
  
  		/// Print information about this object.
  		virtual void PrintInfo(std::ostream& rOStream) const
  		{
  			rOStream << "MarkFluidProcess";
  		}
  
  		/// Print object's data.
  		virtual void PrintData(std::ostream& rOStream) const
  		{
  		}
  
  
  		///@}      
  		///@name Friends
  		///@{
  
  
  		///@}
  
  	protected:
  		///@name Protected static Member Variables 
  		///@{ 
  
  
  		///@} 
  		///@name Protected member Variables 
  		///@{ 
  
  
  		///@} 
  		///@name Protected Operators
  		///@{ 
  
  
  		///@} 
  		///@name Protected Operations
  		///@{ 
  
  
  		///@} 
  		///@name Protected  Access 
  		///@{ 
  
  
  		///@}      
  		///@name Protected Inquiry 
  		///@{ 
  
  
  		///@}    
  		///@name Protected LifeCycle 
  		///@{ 
  
  
  		///@}
  
  	private:
  		///@name Static Member Variables 
  		///@{ 
  
  
  		///@} 
  		///@name Member Variables 
  		///@{ 
  		ModelPart& mr_model_part;
  		
  		///@} 
  		///@name Private Operators
  		///@{ 
  		
  	
  		///@} 
  		///@name Private Operations
  		///@{ 
  
  
  		///@} 
  		///@name Private  Access 
  		///@{ 
  
  
  		///@}    
  		///@name Private Inquiry 
  		///@{ 
  
  
  		///@}    
  		///@name Un accessible methods 
  		///@{ 
  
  		/// Assignment operator.
  //		MarkFluidProcess& operator=(MarkFluidProcess const& rOther);
  
  		/// Copy constructor.
  //		MarkFluidProcess(MarkFluidProcess const& rOther);
  
  
  		///@}    
  
  	}; // Class MarkFluidProcess 
  
  	///@} 
  
  	///@name Type Definitions       
  	///@{ 
  
  
  	///@} 
  	///@name Input and output 
  	///@{ 
  
  
  	/// input stream function
  	inline std::istream& operator >> (std::istream& rIStream, 
  		MarkFluidProcess& rThis);
  
  	/// output stream function
  	inline std::ostream& operator << (std::ostream& rOStream, 
  		const MarkFluidProcess& rThis)
  	{
  		rThis.PrintInfo(rOStream);
  		rOStream << std::endl;
  		rThis.PrintData(rOStream);
  
  		return rOStream;
  	}
  	///@} 
  
  
  }  // namespace Kratos.
  
  #endif // KRATOS_MARK_FLUID_PROCESS_INCLUDED  defined 
  
  
  