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embedded.cc
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/**
* @file embedded.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Tue Dec 01 2015
* @date last modification: Wed Feb 06 2019
*
* @brief Embedded solid mechanis model example
*
*
* @section LICENSE
*
* Copyright (©) 2015-2021 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 "embedded_interface_model.hh"
#include "non_linear_solver.hh"
/* -------------------------------------------------------------------------- */
#include <iostream>
/* -------------------------------------------------------------------------- */
using namespace akantu;
int main(int argc, char * argv[]) {
initialize("material.dat", argc, argv);
const Int dim = 2;
// Loading the concrete mesh
Mesh mesh(dim);
mesh.read("concrete.msh");
// Loading the reinforcement mesh
Mesh reinforcement_mesh(dim, "reinforcement_mesh");
// Exception is raised because reinforcement
// mesh contains only segments, i.e. 1D elements
try {
reinforcement_mesh.read("reinforcement.msh");
} catch (debug::Exception & e) {
}
// Model creation
EmbeddedInterfaceModel model(mesh, reinforcement_mesh, dim);
model.initFull(EmbeddedInterfaceModelOptions(_static));
// Boundary conditions
model.applyBC(BC::Dirichlet::FixedValue(0.0, _x), "XBlocked");
model.applyBC(BC::Dirichlet::FixedValue(0.0, _y), "YBlocked");
Vector<Real> force(dim);
force(0) = 0.0;
force(1) = -1.0;
model.applyBC(BC::Neumann::FromTraction(force), "Force");
// Dumping the concrete
model.setBaseName("concrete");
model.addDumpFieldVector("displacement");
model.addDumpFieldVector("external_force");
model.addDumpFieldVector("internal_force");
model.addDumpFieldTensor("stress");
// Dumping the reinforcement
model.setBaseNameToDumper("reinforcement", "reinforcement");
model.addDumpFieldTensorToDumper(
"reinforcement", "stress_embedded"); // dumping stress in reinforcement
auto & solver = model.getNonLinearSolver();
solver.set("max_iterations", 1);
solver.set("threshold", 1e-6);
solver.set("convergence_type", SolveConvergenceCriteria::_residual);
model.solveStep();
// Dumping model
model.dump();
model.dump("reinforcement");
finalize();
return EXIT_SUCCESS;
}

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