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material_mazars.cc
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/**
* @file material_mazars.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Marion Estelle Chambart <marion.chambart@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Fri Jul 24 2020
*
* @brief Specialization of the material class for the damage material
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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_mazars.hh"
#include "solid_mechanics_model.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
template <UInt spatial_dimension>
MaterialMazars<spatial_dimension>::MaterialMazars(SolidMechanicsModel & model,
const ID & id)
: MaterialDamage<spatial_dimension>(model, id), K0("K0", *this),
damage_in_compute_stress(true) {
AKANTU_DEBUG_IN();
this->registerParam("K0", K0, _pat_parsable, "K0");
this->registerParam("At", At, Real(0.8), _pat_parsable, "At");
this->registerParam("Ac", Ac, Real(1.4), _pat_parsable, "Ac");
this->registerParam("Bc", Bc, Real(1900.), _pat_parsable, "Bc");
this->registerParam("Bt", Bt, Real(12000.), _pat_parsable, "Bt");
this->registerParam("beta", beta, Real(1.06), _pat_parsable, "beta");
this->K0.initialize(1);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <UInt spatial_dimension>
void MaterialMazars<spatial_dimension>::computeStress(ElementType el_type,
GhostType ghost_type) {
AKANTU_DEBUG_IN();
Real * dam = this->damage(el_type, ghost_type).storage();
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_BEGIN(el_type, ghost_type);
Real Ehat = 0;
computeStressOnQuad(grad_u, sigma, *dam, Ehat);
++dam;
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_END;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
INSTANTIATE_MATERIAL(mazars, MaterialMazars);
} // namespace akantu
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