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rAKA/src/model/solid_mechanics/materials/material_plastic/material_plastic_inline_impl.cc
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material_plastic_inline_impl.cc
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/**
* @file material_plastic_inline_impl.cc
*
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
*
* @date creation: Mon Apr 07 2014
* @date last modification: Mon Apr 07 2014
*
* @brief Implementation of the inline functions of akantu::MaterialPlastic
*
* @section LICENSE
*
* Copyright (©) 2014 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/>.
*
*/
/* -------------------------------------------------------------------------- */
template<UInt dim>
inline void
MaterialPlastic<dim>::computeStressAndInelasticStrainOnQuad(const Matrix<Real> & delta_grad_u,
Matrix<Real> & sigma,
const Matrix<Real> & previous_sigma,
Matrix<Real> & inelastic_strain,
const Matrix<Real> & previous_inelastic_strain,
const Matrix<Real> & delta_inelastic_strain) const {
Matrix<Real> grad_u_elastic(dim, dim);
grad_u_elastic.copy(delta_grad_u);
grad_u_elastic -= delta_inelastic_strain;
Matrix<Real> sigma_elastic(dim, dim);
MaterialElastic<dim>::computeStressOnQuad(grad_u_elastic, sigma_elastic);
sigma.copy(previous_sigma);
sigma += sigma_elastic;
inelastic_strain.copy(previous_inelastic_strain);
inelastic_strain += delta_inelastic_strain;
}
/* -------------------------------------------------------------------------- */
template<UInt dim>
inline void
MaterialPlastic<dim>::computeStressAndInelasticStrainOnQuad(const Matrix<Real> & grad_u,
const Matrix<Real> & previous_grad_u,
Matrix<Real> & sigma,
const Matrix<Real> & previous_sigma,
Matrix<Real> & inelastic_strain,
const Matrix<Real> & previous_inelastic_strain,
const Matrix<Real> & delta_inelastic_strain) const {
Matrix<Real> delta_grad_u(grad_u);
delta_grad_u -= previous_grad_u;
computeStressAndInelasticStrainOnQuad(delta_grad_u, sigma, previous_sigma,
inelastic_strain, previous_inelastic_strain, delta_inelastic_strain);
}
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