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rAKA/src/model/solid_mechanics/materials/material_elastic_linear_anisotropic_inline_impl.hh
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material_elastic_linear_anisotropic_inline_impl.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 "material_elastic_linear_anisotropic.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_MATERIAL_ELASTIC_LINEAR_ANISOTROPIC_INLINE_IMPL_HH_
#define AKANTU_MATERIAL_ELASTIC_LINEAR_ANISOTROPIC_INLINE_IMPL_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
template <Int dim>
template <typename Args>
inline void
MaterialElasticLinearAnisotropic<dim>::computeStressOnQuad(Args && args) const {
auto && sigma = args["sigma"_n];
auto && grad_u = args["grad_u"_n];
auto voigt_strain = strainToVoigt<dim>(gradUToEpsilon<dim>(grad_u));
auto voigt_stress = this->C * voigt_strain;
voigtToStress<dim>(voigt_stress, sigma);
}
/* -------------------------------------------------------------------------- */
template <Int dim>
template <class Args>
inline void MaterialElasticLinearAnisotropic<dim>::computeTangentModuliOnQuad(
Args && args) const {
args["tangent_moduli"_n] = this->C;
}
/* -------------------------------------------------------------------------- */
template <Int dim>
template <class Args>
inline void MaterialElasticLinearAnisotropic<dim>::computePotentialEnergyOnQuad(
Args && args, Real & epot) {
AKANTU_DEBUG_ASSERT(this->symmetric,
"The elastic constants matrix is not symmetric,"
"energy is not path independent.");
epot = args["sigma"_n].doubleDot(args["grad_u"_n]) / 2.;
}
} // namespace akantu
#endif /* AKANTU_MATERIAL_ELASTIC_LINEAR_ANISOTROPIC_INLINE_IMPL_HH_ */
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