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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: Sun Sep 26 2010
* @date last modification: Thu Jun 05 2014
*
* @brief test of the class SolidMechanicsModel
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 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 <limits>
#include <fstream>
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
akantu::UInt spatial_dimension = 1;
akantu::UInt max_steps = 10000;
akantu::Real time_factor = 0.2;
akantu::initialize("material.dat", argc, argv);
akantu::Mesh mesh(spatial_dimension);
akantu::StaticCommunicator & comm = akantu::StaticCommunicator::getStaticCommunicator();
akantu::Int psize = comm.getNbProc();
akantu::Int prank = comm.whoAmI();
akantu::debug::setDebugLevel(akantu::dblInfo);
akantu::MeshPartition * partition = NULL;
if(prank == 0) {
mesh.read("segment.msh");
partition = new akantu::MeshPartitionScotch(mesh, spatial_dimension);
partition->partitionate(psize);
}
akantu::SolidMechanicsModel model(mesh);
model.initParallel(partition);
/// model initialization
model.initFull();
std::cout << model.getMaterial(0) << std::endl;
model.assembleMassLumped();
model.setBaseName("segment_parallel");
model.addDumpField("displacement");
model.addDumpField("mass" );
model.addDumpField("velocity" );
model.addDumpField("acceleration");
model.addDumpField("force" );
model.addDumpField("residual" );
model.addDumpField("stress" );
model.addDumpField("strain" );
/// boundary conditions
for (akantu::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;
}
akantu::Real time_step = model.getStableTimeStep() * time_factor;
std::cout << "Time Step = " << time_step << "s" << std::endl;
model.setTimeStep(time_step);
for(akantu::UInt s = 1; s <= max_steps; ++s) {
model.explicitPred();
model.updateResidual();
model.updateAcceleration();
model.explicitCorr();
akantu::Real epot = model.getPotentialEnergy();
akantu::Real ekin = model.getKineticEnergy();
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;
}
akantu::finalize();
return EXIT_SUCCESS;
}

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