Page MenuHomec4science
Files F90762549

solid_mechanics_model_material.cc
No OneTemporary
Actions

File Metadata

Created
Mon, Nov 4, 13:00

solid_mechanics_model_material.cc
View Options

/**
* @file solid_mechanics_model_material.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Nov 26 2010
* @date last modification: Tue Jun 24 2014
*
* @brief instatiation of materials
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model.hh"
#include "material_list.hh"
#include "aka_math.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#define AKANTU_INTANTIATE_MATERIAL_BY_DIM_NO_TMPL(dim, elem) \
registerNewMaterial< BOOST_PP_ARRAY_ELEM(1, elem)< dim > >(section)
#define AKANTU_INTANTIATE_MATERIAL_BY_DIM_TMPL_EACH(r, data, i, elem) \
BOOST_PP_EXPR_IF(BOOST_PP_NOT_EQUAL(0, i), else ) \
if(opt_param == BOOST_PP_STRINGIZE(BOOST_PP_TUPLE_ELEM(2, 0, elem))) { \
registerNewMaterial< BOOST_PP_ARRAY_ELEM(1, data)< BOOST_PP_ARRAY_ELEM(0, data), \
BOOST_PP_SEQ_ENUM(BOOST_PP_TUPLE_ELEM(2, 1, elem)) > >(section); \
}
#define AKANTU_INTANTIATE_MATERIAL_BY_DIM_TMPL(dim, elem) \
BOOST_PP_SEQ_FOR_EACH_I(AKANTU_INTANTIATE_MATERIAL_BY_DIM_TMPL_EACH, \
(2, (dim, BOOST_PP_ARRAY_ELEM(1, elem))), \
BOOST_PP_ARRAY_ELEM(2, elem)) \
else { \
AKANTU_INTANTIATE_MATERIAL_BY_DIM_NO_TMPL(dim, elem); \
}
#define AKANTU_INTANTIATE_MATERIAL_BY_DIM(dim, elem) \
BOOST_PP_IF(BOOST_PP_EQUAL(3, BOOST_PP_ARRAY_SIZE(elem) ), \
AKANTU_INTANTIATE_MATERIAL_BY_DIM_TMPL, \
AKANTU_INTANTIATE_MATERIAL_BY_DIM_NO_TMPL)(dim, elem)
#define AKANTU_INTANTIATE_MATERIAL(elem) \
switch(spatial_dimension) { \
case 1: { AKANTU_INTANTIATE_MATERIAL_BY_DIM(1, elem); break; } \
case 2: { AKANTU_INTANTIATE_MATERIAL_BY_DIM(2, elem); break; } \
case 3: { AKANTU_INTANTIATE_MATERIAL_BY_DIM(3, elem); break; } \
}
#define AKANTU_INTANTIATE_MATERIAL_IF(elem) \
if (mat_type == BOOST_PP_STRINGIZE(BOOST_PP_ARRAY_ELEM(0, elem))) { \
AKANTU_INTANTIATE_MATERIAL(elem); \
}
#define AKANTU_INTANTIATE_OTHER_MATERIAL(r, data, elem) \
else AKANTU_INTANTIATE_MATERIAL_IF(elem)
#define AKANTU_INSTANTIATE_MATERIALS() \
do { \
AKANTU_INTANTIATE_MATERIAL_IF(BOOST_PP_SEQ_HEAD(AKANTU_MATERIAL_LIST)) \
BOOST_PP_SEQ_FOR_EACH(AKANTU_INTANTIATE_OTHER_MATERIAL, \
_, \
BOOST_PP_SEQ_TAIL(AKANTU_MATERIAL_LIST)) \
else { \
if(getStaticParser().isPermissive()) \
AKANTU_DEBUG_INFO("Malformed material file " << \
": unknown material type '" \
<< mat_type << "'"); \
else \
AKANTU_DEBUG_WARNING("Malformed material file " \
<<": unknown material type " << mat_type \
<< ". This is perhaps a user" \
<< " defined material ?"); \
} \
} while(0)
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::instantiateMaterials() {
std::pair<Parser::const_section_iterator, Parser::const_section_iterator>
sub_sect = this->parser->getSubSections(_st_material);
Parser::const_section_iterator it = sub_sect.first;
for (; it != sub_sect.second; ++it) {
const ParserSection & section = *it;
std::string mat_type = section.getName();
std::string opt_param = section.getOption();
AKANTU_INSTANTIATE_MATERIALS();
}
are_materials_instantiated = true;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::assignMaterialToElements(const ElementTypeMapArray<UInt> * filter) {
Material ** mat_val = &(materials.at(0));
Element element;
element.ghost_type = _not_ghost;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, _not_ghost, _ek_not_defined);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, _not_ghost, _ek_not_defined);
if(filter != NULL) {
it = filter->firstType(spatial_dimension, _not_ghost, _ek_not_defined);
end = filter->lastType(spatial_dimension, _not_ghost, _ek_not_defined);
}
// Fill the element material array from the material selector
for(; it != end; ++it) {
UInt nb_element = mesh.getNbElement(*it, _not_ghost);
const Array<UInt> * filter_array = NULL;
if (filter != NULL) {
filter_array = &((*filter)(*it, _not_ghost));
nb_element = filter_array->getSize();
}
element.type = *it;
element.kind = mesh.getKind(element.type);
Array<UInt> & mat_indexes = material_index(*it, _not_ghost);
for (UInt el = 0; el < nb_element; ++el) {
if (filter != NULL)
element.element = (*filter_array)(el);
else
element.element = el;
UInt mat_index = (*material_selector)(element);
AKANTU_DEBUG_ASSERT(mat_index < materials.size(),
"The material selector returned an index that does not exists");
mat_indexes(element.element) = mat_index;
}
}
// synchronize the element material arrays
synch_registry->synchronize(_gst_material_id);
/// fill the element filters of the materials using the element_material arrays
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
it = mesh.firstType(spatial_dimension, gt, _ek_not_defined);
end = mesh.lastType(spatial_dimension, gt, _ek_not_defined);
if(filter != NULL) {
it = filter->firstType(spatial_dimension, gt, _ek_not_defined);
end = filter->lastType(spatial_dimension, gt, _ek_not_defined);
}
for(; it != end; ++it) {
UInt nb_element = mesh.getNbElement(*it, gt);
const Array<UInt> * filter_array = NULL;
if (filter != NULL) {
filter_array = &((*filter)(*it, gt));
nb_element = filter_array->getSize();
}
Array<UInt> & mat_indexes = material_index(*it, gt);
Array<UInt> & mat_local_num = material_local_numbering(*it, gt);
for (UInt el = 0; el < nb_element; ++el) {
UInt element;
if (filter != NULL) element = (*filter_array)(el);
else element = el;
UInt mat_index = mat_indexes(element);
UInt index = mat_val[mat_index]->addElement(*it, element, gt);
mat_local_num(element) = index;
}
}
}
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initMaterials() {
AKANTU_DEBUG_ASSERT(materials.size() != 0, "No material to initialize !");
if(!are_materials_instantiated) instantiateMaterials();
this->assignMaterialToElements();
std::vector<Material *>::iterator mat_it;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
/// init internals properties
(*mat_it)->initMaterial();
}
synch_registry->synchronize(_gst_smm_init_mat);
// initialize mass
switch(method) {
case _explicit_lumped_mass:
assembleMassLumped();
break;
case _explicit_consistent_mass:
case _implicit_dynamic:
assembleMass();
break;
case _static:
break;
default:
AKANTU_EXCEPTION("analysis method not recognised by SolidMechanicsModel");
break;
}
// initialize the previous displacement array if at least on material needs it
for (mat_it = materials.begin(); mat_it != materials.end(); ++mat_it) {
Material & mat = **mat_it;
if (mat.isFiniteDeformation() || mat.isInelasticDeformation()) {
initArraysPreviousDisplacment();
break;
}
}
}
/* -------------------------------------------------------------------------- */
Int SolidMechanicsModel::getInternalIndexFromID(const ID & id) const {
AKANTU_DEBUG_IN();
std::vector<Material *>::const_iterator first = materials.begin();
std::vector<Material *>::const_iterator last = materials.end();
for (; first != last; ++first)
if ((*first)->getID() == id) {
AKANTU_DEBUG_OUT();
return (first - materials.begin());
}
AKANTU_DEBUG_OUT();
return -1;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::reassignMaterial() {
AKANTU_DEBUG_IN();
std::vector< Array<Element> > element_to_add (materials.size());
std::vector< Array<Element> > element_to_remove(materials.size());
Element element;
for (ghost_type_t::iterator gt = ghost_type_t::begin(); gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
element.ghost_type = ghost_type;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, ghost_type, _ek_not_defined);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, ghost_type, _ek_not_defined);
for(; it != end; ++it) {
ElementType type = *it;
element.type = type;
element.kind = Mesh::getKind(type);
UInt nb_element = mesh.getNbElement(type, ghost_type);
Array<UInt> & mat_indexes = material_index(type, ghost_type);
for (UInt el = 0; el < nb_element; ++el) {
element.element = el;
UInt old_material = mat_indexes(el);
UInt new_material = (*material_selector)(element);
if(old_material != new_material) {
element_to_add [new_material].push_back(element);
element_to_remove[old_material].push_back(element);
}
}
}
}
std::vector<Material *>::iterator mat_it;
UInt mat_index = 0;
for(mat_it = materials.begin(); mat_it != materials.end(); ++mat_it, ++mat_index) {
(*mat_it)->removeElements(element_to_remove[mat_index]);
(*mat_it)->addElements (element_to_add[mat_index]);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__

Event Timeline

c4science · Help