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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFEMGenerateMeshTest.cxx,v $
Language: C++
Date: $Date: 2003-12-15 14:13:21 $
Version: $Revision: 1.9 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
// disable debug warnings in MS compiler
#ifdef _MSC_VER
#pragma warning(disable: 4786)
#endif
#include "itkFEMGenerateMesh.h"
#include "itkFEMElement2DC0LinearQuadrilateralStrain.h"
#include "itkFEMMaterialLinearElasticity.h"
#include "itkExceptionObject.h"
#include "itkFEMElement3DC0LinearHexahedronStrain.h"
//
int itkFEMGenerateMeshTest(int, char*[])
{
// Generate2DRectilinearMesh(m_Element,mySolver,MeshOriginV,MeshSizeV,ElementsPerDim);
// Generate3DRectilinearMesh(m_Element,mySolver,MeshOriginV,MeshSizeV,ElementsPerDim);
// Set up the solver object
itk::fem::Solver S;
itk::fem::LinearSystemWrapperVNL lsw;
S.SetLinearSystemWrapper(&lsw);
// Set up mesh dimensions
vnl_vector<double> MeshOriginV;
vnl_vector<double> MeshSizeV;
vnl_vector<double> ElementsPerDim;
MeshOriginV.set_size(2);
MeshSizeV.set_size(2);
ElementsPerDim.set_size(2);
for ( unsigned int j=0; j<2; j++ )
{
MeshOriginV[j]=0.0;
MeshSizeV[j]=10;
ElementsPerDim[j]=5.0;
}
typedef itk::fem::MaterialLinearElasticity ElasticityType;
// Create the material
ElasticityType::Pointer m = ElasticityType::New();
m->GN = 0;
m->E = 1000.;
m->A = 1.0;
m->h = 1.0;
m->I = 1.0;
m->nu = 0.4;
m->RhoC = 1.0;
// Create the element type
typedef itk::fem::Element2DC0LinearQuadrilateralStrain StrainType;
StrainType::Pointer e1 = StrainType::New();
e1->m_mat = dynamic_cast< ElasticityType * >( m );
try
{
itk::fem::Generate2DRectilinearMesh(e1,S,MeshOriginV,MeshSizeV,ElementsPerDim);
std::cout << "Generated 2D rectilinear mesh" << std::endl;
}
catch ( itk::ExceptionObject& )
{
std::cerr << "Could not generate 2D mesh - test FAILED" << std::endl;
return EXIT_FAILURE;
}
MeshOriginV.set_size(3);
MeshSizeV.set_size(3);
ElementsPerDim.set_size(3);
for (unsigned int j=0;j<3;j++)
{
MeshOriginV[j]=0.;
MeshSizeV[j]=10;
ElementsPerDim[j]=5.;
}
itk::fem::Element3DC0LinearHexahedronStrain::Pointer e2=itk::fem::Element3DC0LinearHexahedronStrain::New();
e2->m_mat=dynamic_cast<itk::fem::MaterialLinearElasticity*>(m);
try
{
itk::fem::Generate3DRectilinearMesh(e2,S,MeshOriginV,MeshSizeV,ElementsPerDim);
std::cout << "Generated 3D rectilinear mesh" << std::endl;
}
catch ( itk::ExceptionObject&)
{
std::cerr << "Could not create 3D mesh - test FAILED" << std::endl;
return EXIT_FAILURE;
}
delete e1;
delete m;
delete e2;
std::cout << "Test PASSED!" << std::endl;
return EXIT_SUCCESS;
}
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