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contact_explicit_static.cc
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Fri, Nov 15, 18:13

contact_explicit_static.cc
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/**
* Copyright (©) 2013-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "contact_mechanics_model.hh"
#include "coupler_solid_contact.hh"
#include "non_linear_solver.hh"
#include "solid_mechanics_model.hh"
#include "surface_selector.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
/* -------------------------------------------------------------------------- */
int main(int argc, char * argv[]) {
const Int spatial_dimension = 2;
initialize("material.dat", argc, argv);
Mesh mesh(spatial_dimension);
mesh.read("hertz.msh");
CouplerSolidContact coupler(mesh);
auto & solid = coupler.getSolidMechanicsModel();
auto & contact = coupler.getContactMechanicsModel();
auto && selector = std::make_shared<MeshDataMaterialSelector<std::string>>(
"physical_names", solid);
solid.setMaterialSelector(selector);
coupler.initFull(_analysis_method = _static);
auto && surface_selector = std::make_shared<PhysicalSurfaceSelector>(mesh);
contact.getContactDetector().setSurfaceSelector(surface_selector);
coupler.applyBC(BC::Dirichlet::FixedValue(0.0, _x), "fixed");
coupler.applyBC(BC::Dirichlet::FixedValue(0.0, _y), "fixed");
coupler.applyBC(BC::Dirichlet::FixedValue(0.0, _x), "loading");
coupler.applyBC(BC::Dirichlet::FixedValue(0.0, _x), "symmetry");
coupler.setBaseName("contact-explicit-static");
coupler.addDumpFieldVector("displacement");
coupler.addDumpFieldVector("normals");
coupler.addDumpFieldVector("contact_force");
coupler.addDumpFieldVector("external_force");
coupler.addDumpFieldVector("internal_force");
coupler.addDumpField("gaps");
coupler.addDumpField("areas");
coupler.addDumpField("blocked_dofs");
coupler.addDumpField("grad_u");
coupler.addDumpField("stress");
auto max_steps = 100u;
for (auto _ [[gnu::unused]] : arange(max_steps)) {
auto increment = 1e-4;
coupler.applyBC(BC::Dirichlet::IncrementValue(-increment, _y), "loading");
coupler.solveStep();
coupler.dump();
}
finalize();
return EXIT_SUCCESS;
}

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