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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: VariationalProblemExpression.hpp,v 1.4 2004/08/28 08:28:03 delpinux Exp $
#ifndef VARIATIONAL_PROBLEM_EXPRESSION_HPP
#define VARIATIONAL_PROBLEM_EXPRESSION_HPP
#include <Expression.hpp>
#include <ProblemExpression.hpp>
#include <VariationalFormulaExpression.hpp>
#include <VariationalDirichletListExpression.hpp>
#include <UnknownListExpression.hpp>
#include <TestFunctionExpression.hpp>
#include <BoundaryConditionSet.hpp>
class PDECondition;
class Boundary;
/**
* @file VariationalProblemExpression.hpp
* @author Stephane Del Pino
* @date Wed May 29 17:32:59 2002
*
* @brief This class describes Variational Problems
*
* This class describes Variational Problems
*/
class VariationalProblem;
class VariationalProblemExpression
: public ProblemExpression
{
private:
ReferenceCounting<VariationalFormulaExpression>
__variationalFormula; /**< the variational formula */
ReferenceCounting<VariationalDirichletListExpression>
__dirichletList; /**< the NON-natural boundary conditions */
ReferenceCounting<UnknownListExpression>
__unknownList; /**< list of unknowns */
ReferenceCounting<TestFunctionExpressionList>
__testFunctionList; /**< list of testFunctions */
ReferenceCounting<VariationalProblem>
__variationalProblem; /**< Variational Problem */
/**
* Expression::put() overloading
*
* @param os
*
* @return os
*/
std::ostream& put(std::ostream& os) const
{
os << *__variationalFormula;
return os;
}
class AlgebraicPlus;
class AlgebraicMinus;
/**
* Converts bilinear expression to variationnal form
*
* @param bilinearList the bilinear expression
*
*/
template <typename AlgebraicOperator>
void __internalSetBilinear(VariationalFormulaExpression::BilinearOperatorList& bilinearList);
/**
* Converts linear expression to variationnal form
*
* @param linearList the linear expression
*
*/
template <typename AlgebraicOperator>
void __internalSetLinear(VariationalFormulaExpression::LinearOperatorList& linearList);
/**
* Converts bilinear boundary expression to variationnal form
*
* @param bilinearList the bilinear expression
*
*/
template <typename AlgebraicOperator>
void __internalSetBilinearBC(VariationalFormulaExpression::BilinearOperatorList& bilinearList);
/**
* Converts linear boundary expression to variationnal form
*
* @param linearList the bilinear expression
*
*/
template <typename AlgebraicOperator>
void __internalSetLinearBC(VariationalFormulaExpression::LinearOperatorList& linearList);
void __splitLinearBoundaryList(const size_t& testNumber,
UserFunction* f,
Boundary* b);
void __splitBilinearBoundaryList(const size_t& unknownNumber,
const size_t& testNumber,
UserFunction* alpha,
Boundary* b);
/**
* Splits list of boundary conditions (Dirichlet case)
*
* @param bcSet the set of boundary condition currently created
* @param pde the condition
* @param b the boundary
*/
void __splitBoundaryList(BoundaryConditionSet& bcSet,
PDECondition* pde,
Boundary* b);
public:
/**
*
* Access to the variational problem
*
* @return __variationalProblem
*/
ReferenceCounting<VariationalProblem> variationalProblem();
/**
* Expression::execute() overloading
*
*/
void execute();
/**
* Constructs the variational problem
*
* @param v a variational formula
* @param d dirichlet boundary condtions
* @param t the test functions set
*/
VariationalProblemExpression(ReferenceCounting<VariationalFormulaExpression> v,
ReferenceCounting<VariationalDirichletListExpression> d,
ReferenceCounting<TestFunctionExpressionList> t);
/**
* Copy constructor
*
* @param vp a variational problem
*/
VariationalProblemExpression(const VariationalProblemExpression& vp);
/**
* The destructor
*
*/
~VariationalProblemExpression();
};
#endif // VARIATIONAL_PROBLEM_EXPRESSION_HPP
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