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test_detection_extrinsic_3d.cc
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Wed, Jul 31, 03:16

test_detection_extrinsic_3d.cc
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/**
* @file test_contact_detection.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Wed Dec 18 2018
* @date last modification: Wed Dec 18 2018
*
* @brief Test for extrinsic detection 3D
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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 "aka_common.hh"
#include "contact_detector.hh"
#include "contact_element.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
Real getAnalyticalGap(Mesh &, UInt &);
const Real radius = 0.5;
const UInt spatial_dimension = 3;
using Elements = std::vector<ContactElement>;
int main(int argc, char *argv[]) {
/*initialize("options.dat", argc, argv);
Mesh mesh(spatial_dimension);
mesh.read("extrinsic_3d.msh");
Elements contact_elements;
ContactDetector detector(mesh);
detector.search(contact_elements);
Real epsilon = 1e-5;
for (auto & element: contact_elements) {
auto node = element.getSlave();
auto gap = element.getGap();
auto normal = element.getNormal();
auto analytical_gap = getAnalyticalGap(mesh, node);
std::cerr << "analytical = " << analytical_gap << " computed = " << gap << std::endl;
std::cerr << " normal = " << normal << std::endl;
//if (abs(analytical_gap - gap) <= epsilon) {
// return EXIT_FAILURE;
//}
}*/
return EXIT_SUCCESS;
}
Real getAnalyticalGap(Mesh & mesh, UInt & node) {
Vector<Real> pos(spatial_dimension);
Vector<Real> center(spatial_dimension);
center(0) = 0.0;
center(1) = 0.501;
center(2) = 0.0;
auto & positions = mesh.getNodes();
for (UInt s: arange(spatial_dimension)) {
pos(s) = positions(node, s);
}
Real distance = Math::distance_3d(pos.storage(), center.storage());
Real analytical_gap = distance - radius;
return analytical_gap;
}

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