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plane_stress_toolbox_tmpl.hh
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/**
* @file plane_stress_toolbox_tmpl.hh
*
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
*
* @date creation: Tue Sep 16 2014
* @date last modification: Fri Apr 09 2021
*
* @brief 2D specialization of the akantu::PlaneStressToolbox class
*
*
* @section LICENSE
*
* Copyright (©) 2014-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#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 = "");
PlaneStressToolbox(SolidMechanicsModel & model, UInt dim, const Mesh & mesh,
FEEngine & fe_engine, const ID & id = "");
~PlaneStressToolbox() override = default;
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");
}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
void initMaterial() override {
ParentMaterial::initMaterial();
if (this->plane_stress && this->initialize_third_axis_deformation) {
this->third_axis_deformation.initialize(1);
this->third_axis_deformation.resize();
}
}
/* ------------------------------------------------------------------------ */
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->fem.getMesh().elementTypes(2, ghost_type)) {
this->computeCauchyStressPlaneStress(type, ghost_type);
}
} else {
ParentMaterial::computeAllCauchyStresses(ghost_type);
}
AKANTU_DEBUG_OUT();
}
virtual void
computeCauchyStressPlaneStress(__attribute__((unused)) ElementType el_type,
__attribute__((unused))
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;
/// For non linear materials, the \f[\epsilon_{zz}\f] might be required
bool initialize_third_axis_deformation;
};
template <class ParentMaterial>
inline PlaneStressToolbox<2, ParentMaterial>::PlaneStressToolbox(
SolidMechanicsModel & model, const ID & id)
: ParentMaterial(model, id),
third_axis_deformation("third_axis_deformation", *this),
plane_stress(false), initialize_third_axis_deformation(false) {
/// @todo Plane_Stress should not be possible to be modified after
/// initMaterial (but before)
this->initialize();
}
template <class ParentMaterial>
inline PlaneStressToolbox<2, ParentMaterial>::PlaneStressToolbox(
SolidMechanicsModel & model, UInt dim, const Mesh & mesh,
FEEngine & fe_engine, const ID & id)
: ParentMaterial(model, dim, mesh, fe_engine, id),
third_axis_deformation("third_axis_deformation", *this, dim, fe_engine,
this->element_filter),
plane_stress(false), initialize_third_axis_deformation(false) {
this->initialize();
}
template <>
inline PlaneStressToolbox<2, Material>::PlaneStressToolbox(
SolidMechanicsModel & model, const ID & id)
: Material(model, id),
third_axis_deformation("third_axis_deformation", *this),
plane_stress(false), initialize_third_axis_deformation(false) {
/// @todo Plane_Stress should not be possible to be modified after
/// initMaterial (but before)
this->registerParam("Plane_Stress", plane_stress, false, _pat_parsmod,
"Is plane stress");
}
} // namespace akantu
#endif /* AKANTU_PLANE_STRESS_TOOLBOX_TMPL_HH_ */

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