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material_phasefield.hh
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/**
* @file material_phasefield.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Fri Apr 02 2021
*
* @brief Phasefield damage law
*
*
* @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 "aka_common.hh"
#include "material.hh"
#include "material_damage.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_PHASEFIELD_HH__
#define __AKANTU_MATERIAL_PHASEFIELD_HH__
namespace akantu {
template <Int dim> class MaterialPhaseField : public MaterialDamage<dim> {
using Parent = MaterialDamage<dim>;
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialPhaseField(SolidMechanicsModel & model, const ID & id = "");
~MaterialPhaseField() override = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// constitutive law for all element of a type
void computeStress(ElementType el_type,
GhostType ghost_type = _not_ghost) override;
/// compute the tangent stiffness matrix for an element type
void computeTangentModuli(ElementType el_type, Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost) override;
/* ------------------------------------------------------------------------ */
decltype(auto) getArguments(ElementType el_type,
GhostType ghost_type = _not_ghost) {
return zip_append(Parent::getArguments(el_type, ghost_type),
"effective_damage"_n = make_view(
this->effective_damage(el_type, ghost_type)));
}
decltype(auto) getArgumentsTangent(Array<Real> & tangent_matrix,
ElementType el_type,
GhostType ghost_type) {
return zip_append(
Parent::getArgumentsTangent(tangent_matrix, el_type, ghost_type),
"effective_damage"_n =
make_view(this->effective_damage(el_type, ghost_type)));
}
protected:
/// constitutive law for a given quadrature point
template <class Args> inline void computeStressOnQuad(Args && args);
/// compute the tangent stiffness matrix for a given quadrature point
template <class Args> inline void computeTangentModuliOnQuad(Args && args);
/// Compute the effective damage
void computeEffectiveDamage(ElementType el_type,
GhostType ghost_type = _not_ghost);
template <class Args> inline void computeEffectiveDamageOnQuad(Args && args);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
Real eta;
// effective damage to conserve stiffness in compression
InternalField<Real> effective_damage;
};
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material_phasefield_inline_impl.hh"
#endif /* __AKANTU_MATERIAL_PHASEFIELD_HH__ */

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