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acurnier_2D_3.cc
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acurnier_2D_3.cc
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/**
* @file acurnier_2D_3.cc
*
* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
*
* @date creation: Mon Sep 15 2014
* @date last modification: Fri Sep 19 2014
*
* @brief This file implements the third simple test suggested by Alain Curnier
* for the verification of the implicit contact implementation of the Augmented
* lagrangian formulation
*
* @section LICENSE
*
* Copyright (©) 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 "contact_impl.hh"
using namespace akantu;
int main(int argc, char *argv[]) {
// set dimension
static const UInt dim = 2;
// type definitions
typedef SolidMechanicsModel model_type;
typedef Contact<dim, MasterAssignator,
SelectResolution<_static, _augmented_lagrangian> >
contact_type;
initialize("material.dat", argc, argv);
// create meshes
Mesh mesh(dim);
// read meshes
mesh.read("acurnier_2D_3.msh");
// create models
model_type model(mesh);
SolidMechanicsModelOptions opt(_static);
MeshDataMaterialSelector<std::string> material_selector("physical_names",
model);
model.setMaterialSelector(material_selector);
// initialize material
model.initFull(opt);
model.updateCurrentPosition();
// create data structure that holds contact data
contact_type cd(argc, argv, model);
// set Paraview output resluts
model.setBaseName("contact");
model.addDumpFieldVector("displacement");
mesh.createGroupsFromMeshData<std::string>("physical_names");
cd.addSlave(4);
cd.addSlave(7);
cd.addSlave(9);
cd.addArea(4, 1.0);
cd.addArea(7, 1.0);
cd.addArea(9, 1.0);
// add master surface to find pairs
cd.searchSurface("Contact");
model.applyBC(BC::Dirichlet::FixedValue(0., _x), "Top");
// fix entire contact body
model.applyBC(BC::Dirichlet::FixedValue(0., _x), "Bottom");
model.applyBC(BC::Dirichlet::FixedValue(0., _y), "Bottom");
Real U = 0.5;
Real Du = 0.01;
for (Real u = Du; u <= U; u += Du) {
model.applyBC(BC::Dirichlet::FixedValue(-u, _y), "Top");
// solve contact step (no need to call solve on the model object)
solveContactStep<_generalized_newton>(cd);
}
cout << "Force: " << cd.getForce() << endl;
// finalize simulation
finalize();
return EXIT_SUCCESS;
}

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