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rAKA/test/test_model/test_solid_mechanics_model/test_embedded_interface/test_embedded_interface_model.cc
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test_embedded_interface_model.cc
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/**
* @file test_embedded_interface_model.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Wed Mar 25 2015
* @date last modification: Wed Jan 31 2018
*
* @brief Embedded model test based on potential energy
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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 <iostream>
#include "aka_common.hh"
#include "embedded_interface_model.hh"
#include "sparse_matrix.hh"
using namespace akantu;
int main(int argc, char * argv[]) {
debug::setDebugLevel(dblWarning);
initialize("material.dat", argc, argv);
UInt dim = 2;
Math::setTolerance(1e-7);
// Mesh here is a 1x1 patch
Mesh mesh(dim);
mesh.read("embedded_mesh.msh");
Array<Real> nodes_vec(2, dim, "reinforcement_nodes");
nodes_vec.storage()[0] = 0;
nodes_vec.storage()[1] = 0.5;
nodes_vec.storage()[2] = 1;
nodes_vec.storage()[3] = 0.5;
Array<UInt> conn_vec(1, 2, "reinforcement_connectivity");
conn_vec.storage()[0] = 0;
conn_vec.storage()[1] = 1;
Array<std::string> names_vec(1, 1, "reinforcement", "reinforcement_names");
Mesh reinforcement_mesh(dim, "reinforcement_mesh");
reinforcement_mesh.getNodes().copy(nodes_vec);
reinforcement_mesh.addConnectivityType(_segment_2);
reinforcement_mesh.getConnectivity(_segment_2).copy(conn_vec);
reinforcement_mesh.registerElementalData<std::string>("physical_names")
.alloc(1, 1, _segment_2);
reinforcement_mesh.getData<std::string>("physical_names")(_segment_2)
.copy(names_vec);
EmbeddedInterfaceModel model(mesh, reinforcement_mesh, dim);
model.initFull(_analysis_method = _static);
Array<Real> & nodes = mesh.getNodes();
Array<Real> & forces = model.getForce();
Array<bool> & bound = model.getBlockedDOFs();
forces(2, 0) = -250;
forces(5, 0) = -500;
forces(8, 0) = -250;
for (UInt i = 0; i < mesh.getNbNodes(); i++) {
if (Math::are_float_equal(nodes(i, 0), 0.))
bound(i, 0) = true;
if (Math::are_float_equal(nodes(i, 1), 0.))
bound(i, 1) = true;
}
model.addDumpFieldVector("displacement");
model.addDumpFieldTensor("stress");
model.setBaseNameToDumper("reinforcement", "reinforcement");
model.addDumpFieldTensorToDumper("reinforcement", "stress_embedded");
model.solveStep();
model.getDOFManager().getMatrix("K").saveMatrix("matrix_test");
model.dump();
Real pot_energy = model.getEnergy("potential");
if (std::abs(pot_energy - 7.37343e-06) > 1e-5)
return EXIT_FAILURE;
finalize();
return 0;
}
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