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material_damage_linear.cc
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Mon, Nov 4, 23:42

material_damage_linear.cc
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/**
* @file material_damage_linear.cc
*
* @author Marion Estelle Chambart <marion.chambart@epfl.ch>
*
* @date Mon Oct 03 11:53:09 2011
*
* @brief Specialization of the material class for the damage material
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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_damage_linear.hh"
#include "solid_mechanics_model.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
MaterialDamageLinear<spatial_dimension>::MaterialDamageLinear(SolidMechanicsModel & model,
const ID & id) :
Material(model, id),
MaterialDamage<spatial_dimension>(model, id),
K("K", *this) {
AKANTU_DEBUG_IN();
this->registerParam("Sigc", Sigc, 1e5, _pat_parsable, "Sigma Critique");
this->registerParam("Gc" , Gc , 2. , _pat_parsable, "Gc");
this->K.initialize(1);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
void MaterialDamageLinear<spatial_dimension>::initMaterial() {
AKANTU_DEBUG_IN();
MaterialDamage<spatial_dimension>::initMaterial();
Epsmin = Sigc / this->E;
Epsmax = 2 * Gc/ Sigc + Epsmin;
this->K.setDefaultValue(Epsmin);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
void MaterialDamageLinear<spatial_dimension>::computeStress(ElementType el_type,
GhostType ghost_type) {
AKANTU_DEBUG_IN();
Real * dam = this->damage(el_type, ghost_type).storage();
Real * K = this->K(el_type, ghost_type).storage();
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_BEGIN(el_type, ghost_type);
this->computeStressOnQuad(grad_u, sigma, *dam, *K);
++dam;
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_END;
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
INSTANSIATE_MATERIAL(MaterialDamageLinear);
__END_AKANTU__

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