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test_solid_mechanics_model_segment_parallel.cc
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test_solid_mechanics_model_segment_parallel.cc
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/**
* @file test_solid_mechanics_model_segment_parallel.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Aug 09 2010
* @date last modification: Thu Aug 06 2015
*
* @brief test of the class SolidMechanicsModel
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 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 <fstream>
#include <limits>
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model.hh"
#include "static_communicator.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char * argv[]) {
UInt spatial_dimension = 1;
UInt max_steps = 10000;
Real time_factor = 0.2;
initialize("material.dat", argc, argv);
Mesh mesh(spatial_dimension);
StaticCommunicator & comm =
StaticCommunicator::getStaticCommunicator();
Int prank = comm.whoAmI();
debug::setDebugLevel(dblInfo);
if (prank == 0) mesh.read("segment.msh");
mesh.distribute();
SolidMechanicsModel model(mesh);
/// model initialization
model.initFull();
std::cout << model.getMaterial(0) << std::endl;
model.setBaseName("segment_parallel");
model.addDumpField("displacement");
model.addDumpField("mass");
model.addDumpField("velocity");
model.addDumpField("acceleration");
model.addDumpField("external_force");
model.addDumpField("internal_force");
model.addDumpField("stress");
model.addDumpField("strain");
/// boundary conditions
for (UInt i = 0; i < mesh.getNbNodes(); ++i) {
model.getDisplacement().storage()[spatial_dimension * i] =
model.getFEEngine().getMesh().getNodes().storage()[i] / 100.;
if (model.getFEEngine().getMesh().getNodes().storage()[spatial_dimension *
i] <= 1e-15)
model.getBlockedDOFs().storage()[i] = true;
}
Real time_step = model.getStableTimeStep() * time_factor;
std::cout << "Time Step = " << time_step << "s" << std::endl;
model.setTimeStep(time_step);
for (UInt s = 1; s <= max_steps; ++s) {
model.solveStep();
Real epot = model.getEnergy("potential");
Real ekin = model.getEnergy("kinetic");
if (prank == 0) {
std::cout << s << " " << epot << " " << ekin << " " << epot + ekin
<< std::endl;
}
model.dump();
if (s % 10 == 0)
std::cerr << "passing step " << s << "/" << max_steps << std::endl;
}
finalize();
return EXIT_SUCCESS;
}

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