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material_linear_isotropic_hardening.cc
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material_linear_isotropic_hardening.cc
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/**
* @file material_linear_isotropic_hardening.cc
*
* @author Ramin Aghababaei <ramin.aghababaei@epfl.ch>
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Benjamin Paccaud <benjamin.paccaud@epfl.ch>
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Mon Apr 07 2014
* @date last modification: Fri Apr 09 2021
*
* @brief Specialization of the material class for isotropic finite deformation
* linear hardening plasticity
*
*
* @section LICENSE
*
* Copyright (©) 2014-2021 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 "material_linear_isotropic_hardening.hh"
#include "solid_mechanics_model.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
template <Int dim>
void MaterialLinearIsotropicHardening<dim>::computeStress(
ElementType el_type, GhostType ghost_type) {
AKANTU_DEBUG_IN();
// NOLINTNEXTLINE(bugprone-parent-virtual-call)
MaterialThermal<dim>::computeStress(el_type, ghost_type);
if (this->finite_deformation) { // Finite deformation
for (auto && data :
zip(Parent::getArguments(el_type, ghost_type),
make_view<dim, dim>(this->green_strain(el_type, ghost_type)))) {
auto && args = std::get<0>(data);
auto & green_strain = std::get<1>(data);
auto & grad_u = args["grad_u"_n];
auto & previous_grad_u = args["previous_grad_u"_n];
Material::gradUToE<dim>(grad_u, green_strain);
Matrix<Real, dim, dim> previous_green_strain =
Material::gradUToE<dim>(previous_grad_u);
Matrix<Real, dim, dim> F_tensor = Material::gradUToF<dim>(grad_u);
computeStressOnQuad(tuple::append(
tuple::replace(tuple::replace(args, "grad_u"_n = green_strain),
"previous_grad_u"_n = previous_green_strain),
"F"_n = F_tensor));
computeStressOnQuad(args);
}
} else { // Infinitesimal deformations
for (auto && args : Parent::getArguments(el_type, ghost_type)) {
computeStressOnQuad(args);
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <Int spatial_dimension>
void MaterialLinearIsotropicHardening<spatial_dimension>::computeTangentModuli(
ElementType el_type, Array<Real> & tangent_matrix, GhostType ghost_type) {
AKANTU_DEBUG_IN();
for (auto && args :
Parent::getArgumentsTangent(tangent_matrix, el_type, ghost_type)) {
computeTangentModuliOnQuad(args);
}
this->was_stiffness_assembled = true;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template class MaterialLinearIsotropicHardening<1>;
template class MaterialLinearIsotropicHardening<2>;
template class MaterialLinearIsotropicHardening<3>;
static bool material_is_allocated_plastic_linear_isotropic_hardening =
instantiateMaterial<MaterialLinearIsotropicHardening>(
"plastic_linear_isotropic_hardening");
} // namespace akantu

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