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material_damage_linear.cc
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Sun, Jun 23, 13:40

material_damage_linear.cc
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/**
* @file material_damage_linear.cc
*
* @author Marion Estelle Chambart <marion.chambart@epfl.ch>
*
*
* @brief Specialization of the material class for the damage material
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#include "material_damage_linear.hh"
#include "solid_mechanics_model.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
template <UInt spatial_dimension>
MaterialDamageLinear<spatial_dimension>::MaterialDamageLinear(
SolidMechanicsModel & model, const ID & 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();
}
/* -------------------------------------------------------------------------- */
INSTANTIATE_MATERIAL(damage_linear, MaterialDamageLinear);
} // namespace akantu

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