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test_phase_field_model_2d.cc
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Fri, Jul 12, 06:05

test_phase_field_model_2d.cc
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/**
* @file tets_phase_field_2d.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Mon Oct 1 2018
*
* @brief test of the class PhaseFieldModel on the 2d square
*
* @section LICENSE
*
* Copyright (©) 2015 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 "non_linear_solver.hh"
#include "phase_field_model.hh"
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
const UInt spatial_dimension = 2;
/* -------------------------------------------------------------------------- */
void applyStrainOnQuadPoints(PhaseFieldModel &);
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[]) {
initialize("material.dat", argc, argv);
Mesh mesh(spatial_dimension);
mesh.read("test_one_element.msh");
PhaseFieldModel model(mesh);
model.initFull(_analysis_method = _static);
model.setBaseName("one_element");
model.addDumpFieldVector("damage");
model.dump();
UInt nbSteps = 1000;
for (UInt s = 0; s < nbSteps; ++s) {
applyStrainOnQuadPoints(model);
model.solveStep();
model.dump();
}
finalize();
return EXIT_SUCCESS;
}
/* -------------------------------------------------------------------------- */
void applyStrainOnQuadPoints(PhaseFieldModel & model) {
auto & strain_on_qpoints = model.getStrain();
auto & mesh = model.getMesh();
auto & fem = model.getFEEngine();
for (auto & type: mesh.elementTypes(spatial_dimension, _not_ghost) ) {
auto & strain_on_qpoints_vect = strain_on_qpoints(type, _not_ghost);
UInt nb_quad_points = fem.getNbIntegrationPoints(type, _not_ghost);
UInt nb_elements = mesh.getNbElement(type);
Array<Real> quad_coords(nb_elements * nb_quad_points, spatial_dimension);
fem.interpolateOnIntegrationPoints(mesh.getNodes(), quad_coords, spatial_dimension, type, _not_ghost);
for (auto && values:
zip(make_view(quad_coords),
make_view(strain_on_qpoints_vect, spatial_dimension, spatial_dimension))) {
auto & coord = std::get<0>(values);
auto & strain = std::get<1>(values);
strain(1,1) += 1.e-4;
}
}
}

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