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test_material_non_local.cc
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test_material_non_local.cc
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/**
* @file test_non_local_material.cc
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Mon Aug 22 14:07:08 2011
*
* @brief test of the main part of the non local materials
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "mesh.hh"
#include "mesh_io.hh"
#include "solid_mechanics_model.hh"
#include "material.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
#ifdef AKANTU_USE_IOHELPER
# include "io_helper.hh"
void paraviewInit(iohelper::Dumper & dumper, const SolidMechanicsModel & model);
void paraviewDump(iohelper::Dumper & dumper);
#endif
ByElementTypeReal quadrature_points_volumes("quadrature_points_volumes", "test");
const ElementType TYPE = _triangle_6;
int main(int argc, char *argv[]) {
akantu::initialize(argc, argv);
debug::setDebugLevel(akantu::dblWarning);
UInt spatial_dimension = 2;
Mesh mesh(spatial_dimension);
MeshIOMSH mesh_io;
mesh_io.read("mesh.msh", mesh);
SolidMechanicsModel model(mesh);
model.initModel();
model.initVectors();
model.readMaterials("material_non_local.dat");
model.initMaterials();
// model.getFEM().getMesh().initByElementTypeVector(quadrature_points_volumes, 1, 0);
const MaterialNonLocal<BaseWeightFunction> & mat =
dynamic_cast<const MaterialNonLocal<BaseWeightFunction> &>(model.getMaterial(0));
// mat.computeQuadraturePointsNeighborhoudVolumes(quadrature_points_volumes);
Real radius = mat.getRadius();
UInt nb_element = mesh.getNbElement(TYPE);
UInt nb_tot_quad = model.getFEM().getNbQuadraturePoints(TYPE) * nb_element;
Vector<Real> quads(0, spatial_dimension);
quads.resize(nb_tot_quad);
model.getFEM().interpolateOnQuadraturePoints(mesh.getNodes(),
quads, spatial_dimension,
TYPE);
Vector<Real>::iterator<types::RVector> first_quad_1 = quads.begin(spatial_dimension);
Vector<Real>::iterator<types::RVector> last_quad_1 = quads.end(spatial_dimension);
std::ofstream pout;
pout.open("bf_pairs");
UInt q1 = 0;
Real R = mat.getRadius();
for(;first_quad_1 != last_quad_1; ++first_quad_1, ++q1) {
Vector<Real>::iterator<types::RVector> first_quad_2 = quads.begin(spatial_dimension);
Vector<Real>::iterator<types::RVector> last_quad_2 = quads.end(spatial_dimension);
UInt q2 = 0;
for(;first_quad_2 != last_quad_1; ++first_quad_2, ++q2) {
Real d = first_quad_2->distance(*first_quad_1);
if(d <= radius) {
Real alpha = (1 - d*d/(R*R));
alpha = alpha*alpha;
pout << q1 << " " << q2 << " " << alpha << std::endl;
}
}
}
pout.close();
mat.savePairs("cl_pairs");
ByElementTypeReal constant("constant_value", "test");
mesh.initByElementTypeVector(constant, 1, 0);
Mesh::type_iterator it = mesh.firstType(spatial_dimension);
Mesh::type_iterator last_type = mesh.lastType(spatial_dimension);
for(; it != last_type; ++it) {
UInt nb_quadrature_points = model.getFEM().getNbQuadraturePoints(*it);
UInt nb_element = mesh.getNbElement(*it);
Vector<Real> & constant_vect = constant(*it);
constant_vect.resize(nb_element * nb_quadrature_points);
std::fill_n(constant_vect.storage(), nb_quadrature_points * nb_element, 1.);
}
ByElementTypeReal constant_avg("constant_value_avg", "test");
mesh.initByElementTypeVector(constant_avg, 1, 0);
mat.weightedAvergageOnNeighbours(constant, constant_avg, 1);
debug::setDebugLevel(akantu::dblTest);
std::cout << constant(TYPE) << std::endl;
std::cout << constant_avg(TYPE) << std::endl;
debug::setDebugLevel(akantu::dblWarning);
#ifdef AKANTU_USE_IOHELPER
iohelper::DumperParaview dumper;
paraviewInit(dumper, model);
#endif
akantu::finalize();
return EXIT_SUCCESS;
}
/* -------------------------------------------------------------------------- */
/* iohelper::Dumper vars */
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_IOHELPER
/* -------------------------------------------------------------------------- */
template <ElementType type> iohelper::ElemType paraviewType();
template <> iohelper::ElemType paraviewType<_segment_2>() { return iohelper::LINE1; };
template <> iohelper::ElemType paraviewType<_segment_3>() { return iohelper::LINE2; };
template <> iohelper::ElemType paraviewType<_triangle_3>() { return iohelper::TRIANGLE1; };
template <> iohelper::ElemType paraviewType<_triangle_6>() { return iohelper::TRIANGLE2; };
template <> iohelper::ElemType paraviewType<_quadrangle_4>() { return iohelper::QUAD1; };
template <> iohelper::ElemType paraviewType<_tetrahedron_4>() { return iohelper::TETRA1; };
template <> iohelper::ElemType paraviewType<_tetrahedron_10>() { return iohelper::TETRA2; };
template <> iohelper::ElemType paraviewType<_hexahedron_8>() { return iohelper::HEX1; };
/* -------------------------------------------------------------------------- */
void paraviewInit(iohelper::Dumper & dumper, const SolidMechanicsModel & model) {
UInt spatial_dimension = ElementClass<TYPE>::getSpatialDimension();
UInt nb_nodes = model.getFEM().getMesh().getNbNodes();
UInt nb_element = model.getFEM().getMesh().getNbElement(TYPE);
std::stringstream filename; filename << "material_non_local_" << TYPE;
dumper.SetMode(iohelper::TEXT);
dumper.SetParallelContext(StaticCommunicator::getStaticCommunicator()->whoAmI(),
StaticCommunicator::getStaticCommunicator()->getNbProc());
dumper.SetPoints(model.getFEM().getMesh().getNodes().values,
spatial_dimension, nb_nodes, filename.str().c_str());
dumper.SetConnectivity((int *)model.getFEM().getMesh().getConnectivity(TYPE).values,
paraviewType<TYPE>(), nb_element, iohelper::C_MODE);
dumper.AddElemDataField(quadrature_points_volumes(TYPE).storage(),
1, "volume");
dumper.SetPrefix("paraview/");
dumper.Init();
dumper.Dump();
}
/* -------------------------------------------------------------------------- */
void paraviewDump(iohelper::Dumper & dumper) {
dumper.Dump();
}
/* -------------------------------------------------------------------------- */
#endif

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