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material_damage.hh
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Wed, Jun 26, 11:03

material_damage.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 "aka_common.hh"
#include "material_elastic.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_MATERIAL_DAMAGE_HH_
#define AKANTU_MATERIAL_DAMAGE_HH_
namespace akantu {
template <Int dim, template <Int> class Parent = MaterialElastic>
class MaterialDamage : public Parent<dim> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialDamage(SolidMechanicsModel & model, const ID & id = "");
~MaterialDamage() override = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
void initMaterial() 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;
auto hasStiffnessMatrixChanged() -> bool override { return true; }
protected:
/// update the dissipated energy, must be called after the stress have been
/// computed
void updateEnergies(ElementType el_type) override;
/// compute the tangent stiffness matrix for a given quadrature point
template <class Args>
inline void computeTangentModuliOnQuad(Args && arguments);
auto getDissipatedEnergy() const -> Real;
/* ------------------------------------------------------------------------ */
/* DataAccessor inherited members */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
decltype(auto) getArguments(ElementType el_type,
GhostType ghost_type = _not_ghost) {
return zip_append(Parent<dim>::getArguments(el_type, ghost_type),
"damage"_n =
make_view(this->damage(el_type, ghost_type)));
}
decltype(auto) getArgumentsTangent(Array<Real> & tangent_matrix,
ElementType el_type,
GhostType ghost_type) {
return zip_append(
Parent<dim>::getArgumentsTangent(tangent_matrix, el_type, ghost_type),
"damage"_n = make_view(this->damage(el_type, ghost_type)));
}
Real getEnergy(const std::string & type) override;
AKANTU_GET_MACRO_AUTO_NOT_CONST(Damage, damage);
AKANTU_GET_MACRO_AUTO(Damage, damage);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Damage, damage, Real)
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// damage internal variable
InternalField<Real> damage;
/// dissipated energy
InternalField<Real> dissipated_energy;
/// contain the current value of @f$ \int_0^{\epsilon}\sigma(\omega)d\omega
/// @f$ the dissipated energy
InternalField<Real> int_sigma;
};
} // namespace akantu
#include "material_damage_tmpl.hh"
#endif /* AKANTU_MATERIAL_DAMAGE_HH_ */

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