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solid_mechanics_model_material.cc
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/**
* @file solid_mechanics_model_material.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Nov 26 2010
* @date last modification: Fri Mar 26 2021
*
* @brief instatiation of materials
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_factory.hh"
#include "aka_math.hh"
#include "material_non_local.hh"
#include "mesh_iterators.hh"
#include "non_local_manager.hh"
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
Material &
SolidMechanicsModel::registerNewMaterial(const ParserSection & section) {
std::string mat_name;
std::string mat_type = section.getName();
std::string opt_param = section.getOption();
try {
std::string tmp = section.getParameter("name");
mat_name = tmp; /** this can seam weird, but there is an ambiguous operator
* overload that i couldn't solve. @todo remove the
* weirdness of this code
*/
} catch (debug::Exception &) {
AKANTU_ERROR("A material of type \'"
<< mat_type
<< "\' in the input file has been defined without a name!");
}
Material & mat = this->registerNewMaterial(mat_name, mat_type, opt_param);
mat.parseSection(section);
return mat;
}
/* -------------------------------------------------------------------------- */
Material & SolidMechanicsModel::registerNewMaterial(const ID & mat_name,
const ID & mat_type,
const ID & opt_param) {
AKANTU_DEBUG_ASSERT(materials_names_to_id.find(mat_name) ==
materials_names_to_id.end(),
"A material with this name '"
<< mat_name << "' has already been registered. "
<< "Please use unique names for materials");
UInt mat_count = materials.size();
materials_names_to_id[mat_name] = mat_count;
std::stringstream sstr_mat;
sstr_mat << this->id << ":" << mat_count << ":" << mat_type;
ID mat_id = sstr_mat.str();
std::unique_ptr<Material> material = MaterialFactory::getInstance().allocate(
mat_type, spatial_dimension, opt_param, *this, mat_id);
materials.push_back(std::move(material));
return *(materials.back());
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::instantiateMaterials() {
ParserSection model_section;
bool is_empty;
std::tie(model_section, is_empty) = this->getParserSection();
if (not is_empty) {
auto model_materials = model_section.getSubSections(ParserType::_material);
for (const auto & section : model_materials) {
this->registerNewMaterial(section);
}
}
auto sub_sections = this->parser.getSubSections(ParserType::_material);
for (const auto & section : sub_sections) {
this->registerNewMaterial(section);
}
#ifdef AKANTU_DAMAGE_NON_LOCAL
for (auto & material : materials) {
if (dynamic_cast<MaterialNonLocalInterface *>(material.get()) == nullptr) {
continue;
}
this->non_local_manager = std::make_unique<NonLocalManager>(
*this, *this, id + ":non_local_manager");
break;
}
#endif
if (materials.empty()) {
AKANTU_EXCEPTION("No materials where instantiated for the model"
<< getID());
}
are_materials_instantiated = true;
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::assignMaterialToElements(
const ElementTypeMapArray<UInt> * filter) {
for_each_element(
mesh,
[&](auto && element) {
UInt mat_index = (*material_selector)(element);
AKANTU_DEBUG_ASSERT(
mat_index < materials.size(),
"The material selector returned an index that does not exists");
material_index(element) = mat_index;
},
_element_filter = filter, _ghost_type = _not_ghost);
if (non_local_manager) {
non_local_manager->synchronize(*this, SynchronizationTag::_material_id);
}
for_each_element(
mesh,
[&](auto && element) {
auto mat_index = material_index(element);
auto index = materials[mat_index]->addElement(element);
material_local_numbering(element) = index;
},
_element_filter = filter, _ghost_type = _not_ghost);
// synchronize the element material arrays
this->synchronize(SynchronizationTag::_material_id);
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::initMaterials() {
AKANTU_DEBUG_ASSERT(not materials.empty(), "No material to initialize !");
// if (!are_materials_instantiated)
// instantiateMaterials();
this->assignMaterialToElements();
for (auto & material : materials) {
/// init internals properties
material->initMaterial();
}
this->synchronize(SynchronizationTag::_smm_init_mat);
if (this->non_local_manager) {
this->non_local_manager->initialize();
}
}
/* -------------------------------------------------------------------------- */
Int SolidMechanicsModel::getInternalIndexFromID(const ID & id) const {
AKANTU_DEBUG_IN();
auto it = materials.begin();
auto end = materials.end();
for (; it != end; ++it) {
if ((*it)->getID() == id) {
AKANTU_DEBUG_OUT();
return (it - 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());
for_each_element(mesh, [&](auto && element) {
auto old_material = material_index(element);
auto 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);
}
});
for (auto && data : enumerate(materials)) {
auto mat_index = std::get<0>(data);
auto & mat = *std::get<1>(data);
mat.removeElements(element_to_remove[mat_index]);
mat.addElements(element_to_add[mat_index]);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void SolidMechanicsModel::applyEigenGradU(
const Matrix<Real> & prescribed_eigen_grad_u, const ID & material_name,
const GhostType ghost_type) {
AKANTU_DEBUG_ASSERT(prescribed_eigen_grad_u.size() ==
spatial_dimension * spatial_dimension,
"The prescribed grad_u is not of the good size");
for (auto & material : materials) {
if (material->getName() == material_name) {
material->applyEigenGradU(prescribed_eigen_grad_u, ghost_type);
}
}
}
/* -------------------------------------------------------------------------- */
} // namespace akantu
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