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test_solid_mechanics_model_implicit_2d.cc
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test_solid_mechanics_model_implicit_2d.cc
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/**
* @file test_solid_mechanics_model_implicit_2d.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Aug 09 2010
* @date last modification: Sun Oct 19 2014
*
* @brief test of traction in implicit
*
* @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 "communicator.hh"
#include "non_linear_solver.hh"
/* -------------------------------------------------------------------------- */
#define bar_length 1
#define bar_height 1
using namespace akantu;
/* -------------------------------------------------------------------------- */
int main(int argc, char * argv[]) {
debug::setDebugLevel(dblWarning);
initialize("material_implicit.dat", argc, argv);
UInt spatial_dimension = 2;
Mesh mesh(spatial_dimension);
const auto & comm = Communicator::getStaticCommunicator();
Int prank = comm.whoAmI();
if (prank == 0)
mesh.read("square_implicit1.msh");
mesh.distribute();
SolidMechanicsModel model(mesh);
/// model initialization
model.initFull(_analysis_method = _static);
if (prank == 0)
std::cout << model.getMaterial("steel") << std::endl;
/// boundary conditions
const Array<Real> & position = mesh.getNodes();
Array<bool> & boundary = model.getBlockedDOFs();
Array<Real> & displacment = model.getDisplacement();
UInt nb_nodes = model.getFEEngine().getMesh().getNbNodes();
for (UInt n = 0; n < nb_nodes; ++n) {
if (position(n, 0) < Math::getTolerance())
boundary(n, 0) = true;
if (position(n, 1) < Math::getTolerance())
boundary(n, 1) = true;
if (std::abs(position(n, 0) - bar_length) < Math::getTolerance()) {
boundary(n, 0) = true;
displacment(n, 0) = 0.1;
}
}
model.setBaseName("implicit_2d");
model.addDumpField("displacement");
model.addDumpField("blocked_dofs");
model.addDumpField("external_force");
model.addDumpField("internal_force");
model.addDumpField("stress");
model.addDumpField("strain");
model.dump();
try {
model.solveStep();
} catch(const debug::NLSNotConvergedException & ex) {
std::cerr << "Tried " << ex.niter << " iterations reached error of " << ex.error<< std::endl;
}
model.dump();
finalize();
return EXIT_SUCCESS;
}

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