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rAKA/src/model/structural_mechanics/structural_elements/structural_element_bernoulli_beam_2.hh
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/**
* @file structural_element_bernoulli_beam_2.hh
*
* @author Fabian Barras <fabian.barras@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Sébastien Hartmann <sebastien.hartmann@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Oct 11 2017
* @date last modification: Wed Jan 10 2018
*
* @brief Specific functions for bernoulli beam 2d
*
*
* Copyright (©) 2016-2018 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 "structural_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_STRUCTURAL_ELEMENT_BERNOULLI_BEAM_2_HH_
#define AKANTU_STRUCTURAL_ELEMENT_BERNOULLI_BEAM_2_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
template <>
void StructuralMechanicsModel::computeTangentModuli<_bernoulli_beam_2>(
Array<Real> & tangent_moduli) {
// auto nb_element = getFEEngine().getMesh().getNbElement(_bernoulli_beam_2);
auto nb_quadrature_points =
getFEEngine().getNbIntegrationPoints(_bernoulli_beam_2);
auto tangent_size = 2;
tangent_moduli.zero();
auto D_it = tangent_moduli.begin(tangent_size, tangent_size);
auto el_mat = element_material(_bernoulli_beam_2, _not_ghost).begin();
for (auto & mat : element_material(_bernoulli_beam_2, _not_ghost)) {
auto E = materials[mat].E;
auto A = materials[mat].A;
auto I = materials[mat].I;
for (UInt q = 0; q < nb_quadrature_points; ++q, ++D_it) {
auto & D = *D_it;
D(0, 0) = E * A;
D(1, 1) = E * I;
}
}
}
} // namespace akantu
#endif /* AKANTU_STRUCTURAL_ELEMENT_BERNOULLI_BEAM_2_HH_ */
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