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rAKA/src/model/solid_mechanics/materials/plane_stress_toolbox_tmpl.hh
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plane_stress_toolbox_tmpl.hh
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/**
* Copyright (©) 2014-2023 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 "plane_stress_toolbox.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_PLANE_STRESS_TOOLBOX_TMPL_HH_
#define AKANTU_PLANE_STRESS_TOOLBOX_TMPL_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
template <class ParentMaterial>
class PlaneStressToolbox<2, ParentMaterial> : public ParentMaterial {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
PlaneStressToolbox(SolidMechanicsModel & model, const ID & id = "",
const ID & fe_engine_id = "");
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(ThirdAxisDeformation,
third_axis_deformation, Real);
protected:
void initialize() {
this->registerParam("Plane_Stress", plane_stress, false, _pat_parsmod,
"Is plane stress");
this->third_axis_deformation.setDefaultValue(1.);
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
decltype(auto) getArguments(ElementType el_type,
GhostType ghost_type = _not_ghost) {
return zip_append(
ParentMaterial::template getArguments<2>(el_type, ghost_type),
"C33"_n = third_axis_deformation(el_type, ghost_type));
}
decltype(auto) getArgumentsTangent(Array<Real> & tangent_matrix,
ElementType el_type,
GhostType ghost_type = _not_ghost) {
return zip_append(ParentMaterial::template getArgumentsTangent<2>(
tangent_matrix, el_type, ghost_type),
"C33"_n = third_axis_deformation(el_type, ghost_type));
}
/* ------------------------------------------------------------------------ */
void computeStress(ElementType el_type, GhostType ghost_type) override {
ParentMaterial::computeStress(el_type, ghost_type);
if (this->plane_stress) {
computeThirdAxisDeformation(el_type, ghost_type);
}
}
/* ------------------------------------------------------------------------ */
virtual void computeThirdAxisDeformation(ElementType /*unused*/,
GhostType /*unused*/) {}
/// Computation of Cauchy stress tensor in the case of finite deformation
void computeAllCauchyStresses(GhostType ghost_type = _not_ghost) override {
AKANTU_DEBUG_IN();
if (this->plane_stress) {
AKANTU_DEBUG_ASSERT(this->finite_deformation,
"The Cauchy stress can only be computed if you are "
"working in finite deformation.");
for (auto && type : this->elementTypes(2, ghost_type)) {
this->computeCauchyStressPlaneStress(type, ghost_type);
}
} else {
ParentMaterial::computeAllCauchyStresses(ghost_type);
}
AKANTU_DEBUG_OUT();
}
virtual void
computeCauchyStressPlaneStress(ElementType /*el_type*/,
GhostType /*ghost_type*/ = _not_ghost){};
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// third axis strain measure value
InternalField<Real> & third_axis_deformation;
/// Plane stress or plane strain
bool plane_stress{false};
};
template <class ParentMaterial>
inline PlaneStressToolbox<2, ParentMaterial>::PlaneStressToolbox(
SolidMechanicsModel & model, const ID & id, const ID & fe_engine_id)
: ParentMaterial(model, id, fe_engine_id),
third_axis_deformation(
this->registerInternal("third_axis_deformation", 1)) {
this->initialize();
}
} // namespace akantu
#endif /* AKANTU_PLANE_STRESS_TOOLBOX_TMPL_HH_ */
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