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rAKA/test/test_model/test_phase_field_model/test_solid_one_element.cc
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test_solid_one_element.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 "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
const UInt spatial_dimension = 2;
/* -------------------------------------------------------------------------- */
void applyDisplacement(SolidMechanicsModel &);
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[]) {
initialize("material_solid.dat", argc, argv);
Mesh mesh(spatial_dimension);
mesh.read("test_one_element.msh");
SolidMechanicsModel model(mesh);
model.initFull(_analysis_method = _static);
model.setBaseName("solid_one_element");
model.addDumpField("stress");
model.addDumpField("grad_u");
model.addDumpField("displacement");
model.dump();
UInt nbSteps = 1000;
for (UInt s = 0; s < nbSteps; ++s) {
applyDisplacement(model);
model.solveStep();
model.dump();
}
finalize();
return EXIT_SUCCESS;
}
/* -------------------------------------------------------------------------- */
void applyDisplacement(SolidMechanicsModel & model) {
auto & displacement = model.getDisplacement();
auto & positions = model.getMesh().getNodes();
auto & blocked_dofs = model.getBlockedDOFs();
for (UInt n = 0; n < model.getMesh().getNbNodes(); ++n) {
if (positions(n, 1) == -0.5) {
displacement(n, 0) = 0;
displacement(n, 1) = 0;
blocked_dofs(n, 0) = true;
blocked_dofs(n ,1) = true;
}
else {
displacement(n, 0) = 0;
displacement(n, 1) += 1.e-4;
blocked_dofs(n, 0) = true;
blocked_dofs(n ,1) = true;
}
}
}
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