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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: BoundaryConditionDiscretizationFEM.hpp,v 1.7 2005/09/25 18:04:32 delpinux Exp $
#ifndef BOUNDARY_CONDITION_DISCRETIZATION_FEM_HPP
#define BOUNDARY_CONDITION_DISCRETIZATION_FEM_HPP
#include <BoundaryConditionDiscretization.hpp>
#include <BoundaryConditionCommonFEMDiscretization.hpp>
#include <SurfaceMesh.hpp>
#include <UnAssembledMatrix.hpp>
#include <ErrorHandler.hpp>
/**
* @file BoundaryConditionDiscretizationFEM.hpp
* @author Stephane Del Pino
* @date Tue Nov 11 20:05:20 2003
*
* @brief Finite Element boundary conditions discretization
*
*/
template <typename MeshType,
DiscretizationType::Type TypeOfDiscretization>
class BoundaryConditionDiscretizationFEM
: public BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>
{
public:
void getDiagonal (BaseVector& Z) const
{
Vector<real_t>& z = dynamic_cast<Vector<real_t>&>(Z);
// Natural Boundary conditions
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>
::__StandardGetDiagonalVariationalBorderBilinearOperator(*this, z);
// Dirichlet on the mesh border ...
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>
::__StandardGetDiagonalDirichletBorderBilinearOperator(*this, z);
}
void setMatrix (ReferenceCounting<BaseMatrix> givenA,
ReferenceCounting<BaseVector> b) const
{
switch((*givenA).type()) {
case BaseMatrix::doubleHashedMatrix: {
DoubleHashedMatrix& A = dynamic_cast<DoubleHashedMatrix&>(*givenA);
// Variational Problem's Natural BC
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>
::__StandardVariationalBorderBilinearOperator(*this, A);
// Dirichlet on the mesh border ...
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>
::__StandardDirichletBorderBilinearOperator(*this, A);
break;
}
case BaseMatrix::unAssembled: {
UnAssembledMatrix& A = dynamic_cast<UnAssembledMatrix&>(*givenA);
A.setBoundaryConditions(this);
break;
}
default: {
throw ErrorHandler(__FILE__,__LINE__,
"unexected matrix type",
ErrorHandler::unexpected);
}
}
}
void setSecondMember (ReferenceCounting<BaseMatrix> givenA,
ReferenceCounting<BaseVector> givenB) const
{
Vector<real_t>& b = dynamic_cast<Vector<real_t>&>(*givenB);
BaseMatrix& A = *givenA;
//! Natural boundary conditions
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardVariationalBorderLinearOperator(*this, b);
//! Dirichlet Boundary conditions
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardDirichletBorderLinearOperator(*this, A, b);
}
void timesX(const BaseVector& X, BaseVector& Z) const
{
const Vector<real_t>& x = dynamic_cast<const Vector<real_t>&>(X);
Vector<real_t>& z = dynamic_cast<Vector<real_t>&>(Z);
// Natural Boundary Conditions.
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardVariationalBorderBilinearOperatorTimesX(*this,
x, z);
// Dirichlet on the mesh border ...
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardDirichletBorderBilinearOperatorTimesX(*this,
x, z);
}
void transposedTimesX(const BaseVector& X, BaseVector& Z) const
{
const Vector<real_t>& x = dynamic_cast<const Vector<real_t>&>(X);
Vector<real_t>& z = dynamic_cast<Vector<real_t>&>(Z);
// Natural Boundary Conditions.
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardVariationalBorderBilinearOperatorTransposedTimesX(*this,
x, z);
// Dirichlet on the mesh border ...
BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>::
__StandardDirichletBorderBilinearOperatorTransposedTimesX(*this,
x, z);
}
BoundaryConditionDiscretizationFEM(const Problem& problem,
const MeshType& mesh,
const DegreeOfFreedomSet& dof)
: BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>(problem, mesh, dof)
{
;
}
BoundaryConditionDiscretizationFEM(const BoundaryConditionDiscretizationFEM<MeshType, TypeOfDiscretization>& b)
: BoundaryConditionCommonFEMDiscretization<MeshType,
TypeOfDiscretization>(b)
{
;
}
~BoundaryConditionDiscretizationFEM()
{
;
}
};
#endif // BOUNDARY_CONDITION_DISCRETIZATION_FEM_HPP
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