Homec4science
Diffusion akantu (features/friction_examples) Browse

rAKA/src/model/solid_mechanics/materials/plane_stress_toolbox_tmpl.hh
74a41d6f0ef2features/friction_examp…

Last Change
Raw File

plane_stress_toolbox_tmpl.hh
View Options

/**
* @file plane_stress_toolbox_tmpl.hh
*
* @author Daniel Pino Muñoz <daniel.pinomunoz@epfl.ch>
*
* @date creation: Tue Sep 16 2014
* @date last modification: Tue Sep 16 2014
*
* @brief 2D specialization of the akantu::PlaneStressToolbox class
*
* @section LICENSE
*
* Copyright (©) 2014 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__
__BEGIN_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 = "");
virtual ~PlaneStressToolbox() {}
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:
/* ------------------------------------------------------------------------ */
virtual void initMaterial() {
ParentMaterial::initMaterial();
if(this->plane_stress && this->initialize_third_axis_deformation){
this->third_axis_deformation.initialize(1);
this->third_axis_deformation.resize();
}
}
/* ------------------------------------------------------------------------ */
virtual void computeStress(ElementType el_type, GhostType ghost_type) {
ParentMaterial::computeStress(el_type, ghost_type);
if(this->plane_stress) computeThirdAxisDeformation(el_type, ghost_type);
}
/* ------------------------------------------------------------------------ */
virtual void computeThirdAxisDeformation(__attribute__((unused)) ElementType el_type,
__attribute__((unused)) GhostType ghost_type) {
}
/// Computation of Cauchy stress tensor in the case of finite deformation
virtual void computeAllCauchyStresses(GhostType ghost_type = _not_ghost){
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.");
//resizeInternalArray(stress);
Mesh::type_iterator it = this->model->getFEEngine().getMesh().firstType(2, ghost_type);
Mesh::type_iterator last_type = this->model->getFEEngine().getMesh().lastType(2, ghost_type);
for(; it != last_type; ++it)
this->computeCauchyStressPlaneStress(*it, 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;
/// For non linear materials, the \epsilon_{zz} might be required
bool initialize_third_axis_deformation;
};
template<class ParentMaterial>
inline PlaneStressToolbox<2, ParentMaterial>::PlaneStressToolbox(SolidMechanicsModel & model, const ID & id) :
Material(model, 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):
Material(model, dim, mesh, fe_engine, 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");
}
__END_AKANTU__
#endif /* __AKANTU_PLANE_STRESS_TOOLBOX_TMPL_HH__ */
c4science · Help