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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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/**
* Copyright (©) 2010-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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.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 = "");
/* ------------------------------------------------------------------------ */
/* 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;
/// get mass density degraded by damage
void getRho(Ref<Vector<Real>> rhos, const Element & element) const override;
bool hasMassMatrixChanged() override { return degrade_mass; };
/* ------------------------------------------------------------------------ */
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)));
}
/* ------------------------------------------------------------------------ */
/* DataAccessor inherited members */
/* ------------------------------------------------------------------------ */
public:
[[nodiscard]] inline Int
getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) override;
inline InternalField<Real> & getDamage() override {
this->was_stiffness_assembled = false;
return this->damage;
}
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);
auto hasStiffnessMatrixChanged() -> bool override {
return (not this->was_stiffness_assembled);
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
Real eta{0.};
/// Phasefield isotropic
bool is_hybrid;
bool degrade_mass;
// 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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