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rAKA/extra_packages/traction-at-split-node-contact/test/test_ntn_model/test_ntn_fixture.hh
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test_ntn_fixture.hh
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/**
* Copyright (©) 2018-2023 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 "mesh_utils.hh"
#include "solid_mechanics_model.hh"
#include "ntn_contact.hh"
#include "ntn_base_contact.hh"
/* -------------------------------------------------------------------------- */
#include <gtest/gtest.h>
#ifndef AKANTU_NTN_TEST_FIXTURE_HH_
#define AKANTU_NTN_TEST_FIXTURE_HH_
// #define DEBUG_TEST
namespace akantu{
class TestNTNFixture : public ::testing::Test{
public:
virtual void SetUp() {
}
virtual void TearDown(){
model.reset(nullptr);
mesh.reset(nullptr);
delete ntn_contact;
}
virtual void initMesh(const std::string & mesh_file){
UInt dim = 2;
mesh = std::make_unique<Mesh>(dim);
mesh->read(mesh_file);
}
virtual void initSolidMechanicsModel(const std::string & material_file){
model = std::make_unique<SolidMechanicsModel>(*mesh);
ntn_contact = new NTNContact(*model);
getStaticParser().parse(material_file);
// Create model
model->initFull(SolidMechanicsModelOptions(_explicit_lumped_mass));
model->assembleInternalForces();
for (Int i = 0; i < model->getNbMaterials(); ++i) {
model->getMaterial(i).setToSteadyState(_not_ghost);
model->getMaterial(i).setToSteadyState(_ghost);
}
model->assembleInternalForces();
model->assembleMassLumped();
model->assembleInternalForces();
}
virtual void initContactModel(){
// Create the contact and node to node interface
contact = NULL;
ntn_contact->addSurfacePair("slider_bottom","base_top",1);
contact = ntn_contact;
contact->updateNormals();
contact->updateLumpedBoundary();
}
virtual void initDynamics(Real time_step_factor){
// Set the time step and compute the impedance
Real stable_time_step = model->getStableTimeStep();
Real time_step = stable_time_step * time_step_factor;
model->setTimeStep(time_step);
contact->updateImpedance();
}
protected:
std::unique_ptr<Mesh> mesh;
std::unique_ptr<SolidMechanicsModel> model;
NTNContact *contact;
NTNContact *ntn_contact;
}; // namespace akantu
}
#endif /* AKANTU_NTN_TEST_FIXTURE_HH_ */
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