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test_interpolate_tetrahedron_6.cc
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Wed, Nov 6, 21:10

test_interpolate_tetrahedron_6.cc
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/**
* @file test_interpolate_tetrahedron_6.cc
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Mon Jul 19 10:55:49 2010
*
* @brief test of the fem class
*
* @section LICENSE
*
* \<insert license here\>
*
*/
/* -------------------------------------------------------------------------- */
#include <cstdlib>
#include <fstream>
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "fem.hh"
#include "mesh.hh"
#include "mesh_io.hh"
#include "mesh_io_msh.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char *argv[]) {
UInt dim = 3;
ElementType type = _tetrahedron_6;
MeshIOMSH mesh_io;
Mesh my_mesh(dim);
mesh_io.read("cube1.msh", my_mesh);
FEM *fem = new FEM(my_mesh, dim, "my_fem");
debug::setDebugLevel(dblDump);
fem->initShapeFunctions();
std::cout << *fem << std::endl;
StaticMemory * st_mem = StaticMemory::getStaticMemory();
std::cout << *st_mem << std::endl;
Vector<Real> const_val(fem->getMesh().getNbNodes(), 2, "const_val");
Vector<Real> val_on_quad(0, 2, "val_on_quad");
for (UInt i = 0; i < const_val.getSize(); ++i) {
const_val.values[i * 2 + 0] = 1.;
const_val.values[i * 2 + 1] = 2.;
}
fem->interpolateOnQuadraturePoints(const_val, val_on_quad, 2, type);
std::ofstream my_file("out.txt");
my_file << const_val << std::endl;
my_file << val_on_quad << std::endl;
// interpolate coordinates
Vector<Real> coord_on_quad(0, my_mesh.getSpatialDimension(), "coord_on_quad");
fem->interpolateOnQuadraturePoints(my_mesh.getNodes(), coord_on_quad, my_mesh.getSpatialDimension(), type);
my_file << my_mesh.getNodes() << std::endl;
my_file << coord_on_quad << std::endl;
delete fem;
finalize();
return EXIT_SUCCESS;
}

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