/usr/include/ITK-4.5/itkFEMElement3DMembrane1DOF.hxx is in libinsighttoolkit4-dev 4.5.0-3.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkFEMElement3DMembrane1DOF_hxx
#define __itkFEMElement3DMembrane1DOF_hxx
#include "itkFEMElement3DMembrane1DOF.h"
namespace itk
{
namespace fem
{
template <typename TBaseClass>
Element3DMembrane1DOF<TBaseClass>
::Element3DMembrane1DOF() : Superclass(), m_Mat(0)
{
}
// ////////////////////////////////////////////////////////////////////////
/*
* Methods related to the physics of the problem.
*/
template <typename TBaseClass>
void
Element3DMembrane1DOF<TBaseClass>
::GetStrainDisplacementMatrix(MatrixType & /*HACK B*/, const MatrixType & /*HACK shapeDgl*/) const
{
//HACK: Comment.
}
template <typename TBaseClass>
void
Element3DMembrane1DOF<TBaseClass>
::GetMassMatrix(MatrixType & Me) const
{
// Call the parent's get matrix function
Superclass::GetMassMatrix(Me);
// Since parent class doesn't have the material properties,
// we need to adjust Me matrix here for the density of the element.
Me = Me * m_Mat->GetDensityHeatProduct();
}
template <typename TBaseClass>
void
Element3DMembrane1DOF<TBaseClass>
::GetMaterialMatrix(MatrixType & D) const
{
unsigned int d = 3;
D.set_size(d, d);
D.fill(0.0);
// This is the main difference from the linear elasticity problem.
/* Material properties matrix. Simpler than linear elasticity. */
Float disot = m_Mat->GetYoungsModulus();
for( unsigned int i = 0; i < d; i++ )
{
D[i][i] = disot;
}
}
template <typename TBaseClass>
void Element3DMembrane1DOF<TBaseClass>
::GetStiffnessMatrix(MatrixType & Ke) const
{
Superclass::GetStiffnessMatrix(Ke);
}
template <typename TBaseClass>
void
Element3DMembrane1DOF<TBaseClass>
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os, indent);
os << indent << "Materials: " << this->m_Mat << std::endl;
}
}
} // end namespace itk::fem
#endif // #ifndef __itkFEMElement3DMembrane1DOF_hxx
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