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rAKA/src/model/solid_mechanics/materials/material_damage/material_phasefield.hh
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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 <UInt spatial_dimension>
class MaterialPhaseField : public MaterialDamage<spatial_dimension> {
using Parent = MaterialDamage<spatial_dimension>;
/* ------------------------------------------------------------------------ */
/* 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;
protected:
/// constitutive law for a given quadrature point
/// compute the tangent stiffness matrix for a given quadrature point
void computeEffectiveDamage(ElementType el_type,
GhostType ghost_type = _not_ghost);
inline void computeEffectiveDamageOnQuad(Matrix<Real> & grad_u, Real & dam,
Real & eff_dam);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* 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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