Homec4science
Diffusion akantu (releases/4.0.0) Browse

rAKA/extra_packages/igfem/src/non_local_manager_igfem.cc
783f10b751b3releases/4.0.0

Last Change
Raw File

non_local_manager_igfem.cc
View Options

/**
* @file non_local_manager_igfem.cc
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @date Mon Sep 21 15:32:10 2015
*
* @brief Implementation of non-local manager igfem
*
*
* Copyright (©) 2010-2011 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_DAMAGE_NON_LOCAL
#include "non_local_manager_igfem.hh"
#include "material_non_local.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
NonLocalManagerIGFEM::NonLocalManagerIGFEM(SolidMechanicsModelIGFEM & model,
const ID & id)
: NonLocalManager(model, id) {
Mesh & mesh = this->model.getMesh();
/// initialize the element type map array
/// it will be resized to nb_quad * nb_element during the computation of
/// coords
mesh.initElementTypeMapArray(quad_positions, spatial_dimension,
spatial_dimension, false, _ek_igfem, true);
}
/* -------------------------------------------------------------------------- */
NonLocalManagerIGFEM::~NonLocalManagerIGFEM() =default;
/* -------------------------------------------------------------------------- */
void NonLocalManagerIGFEM::init() {
/// store the number of current ghost elements for each type in the mesh
ElementTypeMap<UInt> nb_ghost_protected;
Mesh & mesh = this->model.getMesh();
for (UInt k = _ek_regular; k <= _ek_igfem; ++k) {
ElementKind el_kind = (ElementKind)k;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
Mesh::type_iterator last_type =
mesh.lastType(spatial_dimension, _ghost, el_kind);
for (; it != last_type; ++it)
nb_ghost_protected(mesh.getNbElement(*it, _ghost), *it, _ghost);
}
/// exchange the missing ghosts for the non-local neighborhoods
this->createNeighborhoodSynchronizers();
/// insert the ghost quadrature points of the non-local materials into the
/// non-local neighborhoods
for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
switch (spatial_dimension) {
case 1:
dynamic_cast<MaterialNonLocal<1> &>(*(this->non_local_materials[m]))
.insertQuadsInNeighborhoods(_ghost);
break;
case 2:
dynamic_cast<MaterialNonLocal<2> &>(*(this->non_local_materials[m]))
.insertQuadsInNeighborhoods(_ghost);
break;
case 3:
dynamic_cast<MaterialNonLocal<3> &>(*(this->non_local_materials[m]))
.insertQuadsInNeighborhoods(_ghost);
break;
}
}
FEEngine & fee_regular = this->model.getFEEngine();
FEEngine & fee_igfem = this->model.getFEEngine("IGFEMFEEngine");
this->updatePairLists();
/// cleanup the unneccessary ghost elements
this->cleanupExtraGhostElements(nb_ghost_protected);
this->initElementTypeMap(1, volumes, fee_regular, _ek_regular);
this->initElementTypeMap(1, volumes, fee_igfem, _ek_igfem);
this->setJacobians(fee_regular, _ek_regular);
this->setJacobians(fee_igfem, _ek_igfem);
this->initNonLocalVariables();
this->computeWeights();
}
/* -------------------------------------------------------------------------- */
void NonLocalManagerIGFEM::computeAllNonLocalStresses() {
/// update the flattened version of the internals
std::map<ID, NonLocalVariable *>::iterator non_local_variable_it =
non_local_variables.begin();
std::map<ID, NonLocalVariable *>::iterator non_local_variable_end =
non_local_variables.end();
for (; non_local_variable_it != non_local_variable_end;
++non_local_variable_it) {
non_local_variable_it->second->local.zero();
non_local_variable_it->second->non_local.zero();
for (UInt gt = _not_ghost; gt <= _ghost; ++gt) {
GhostType ghost_type = (GhostType)gt;
this->flattenInternal(non_local_variable_it->second->local, ghost_type,
_ek_regular);
this->flattenInternal(non_local_variable_it->second->local, ghost_type,
_ek_igfem);
}
}
this->volumes.zero();
/// loop over all the neighborhoods and compute intiate the
/// exchange of the non-local_variables
std::set<ID>::const_iterator global_neighborhood_it =
global_neighborhoods.begin();
NeighborhoodMap::iterator it;
for (; global_neighborhood_it != global_neighborhoods.end();
++global_neighborhood_it) {
it = neighborhoods.find(*global_neighborhood_it);
if (it != neighborhoods.end())
it->second->getSynchronizerRegistry().asynchronousSynchronize(
SynchronizationTag::_mnl_for_average);
else
dummy_synchronizers[*global_neighborhood_it]->asynchronousSynchronize(
dummy_accessor, SynchronizationTag::_mnl_for_average);
}
this->averageInternals(_not_ghost);
AKANTU_DEBUG_INFO("Wait distant non local stresses");
/// loop over all the neighborhoods and block until all non-local
/// variables have been exchanged
global_neighborhood_it = global_neighborhoods.begin();
it = neighborhoods.begin();
for (; global_neighborhood_it != global_neighborhoods.end();
++global_neighborhood_it) {
it = neighborhoods.find(*global_neighborhood_it);
if (it != neighborhoods.end())
it->second->getSynchronizerRegistry().waitEndSynchronize(
SynchronizationTag::_mnl_for_average);
else
dummy_synchronizers[*global_neighborhood_it]->waitEndSynchronize(
dummy_accessor, SynchronizationTag::_mnl_for_average);
}
this->averageInternals(_ghost);
/// copy the results in the materials
this->distributeInternals(_ek_regular);
/// loop over all the materials and update the weights
for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
switch (spatial_dimension) {
case 1:
dynamic_cast<MaterialNonLocal<1> &>(*(this->non_local_materials[m]))
.computeNonLocalStresses(_not_ghost);
break;
case 2:
dynamic_cast<MaterialNonLocal<2> &>(*(this->non_local_materials[m]))
.computeNonLocalStresses(_not_ghost);
break;
case 3:
dynamic_cast<MaterialNonLocal<3> &>(*(this->non_local_materials[m]))
.computeNonLocalStresses(_not_ghost);
break;
}
}
++this->compute_stress_calls;
}
/* -------------------------------------------------------------------------- */
void NonLocalManagerIGFEM::cleanupExtraGhostElements(
ElementTypeMap<UInt> & nb_ghost_protected) {
typedef std::set<Element> ElementSet;
ElementSet relevant_ghost_elements;
ElementSet to_keep_per_neighborhood;
/// loop over all the neighborhoods and get their protected ghosts
NeighborhoodMap::iterator neighborhood_it = neighborhoods.begin();
NeighborhoodMap::iterator neighborhood_end = neighborhoods.end();
for (; neighborhood_it != neighborhood_end; ++neighborhood_it) {
neighborhood_it->second->cleanupExtraGhostElements(
to_keep_per_neighborhood);
ElementSet::const_iterator it = to_keep_per_neighborhood.begin();
for (; it != to_keep_per_neighborhood.end(); ++it)
relevant_ghost_elements.insert(*it);
to_keep_per_neighborhood.zero();
}
/// remove all unneccessary ghosts from the mesh
/// Create list of element to remove and new numbering for element to keep
Mesh & mesh = this->model.getMesh();
ElementSet ghost_to_erase;
RemovedElementsEvent remove_elem(mesh);
Element element;
for (UInt k = _ek_regular; k < _ek_igfem; ++k) {
ElementKind el_kind = (ElementKind)k;
element.kind = _ek_igfem;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
Mesh::type_iterator last_type =
mesh.lastType(spatial_dimension, _ghost, el_kind);
element.ghost_type = _ghost;
for (; it != last_type; ++it) {
element.type = *it;
UInt nb_ghost_elem = mesh.getNbElement(*it, _ghost);
UInt nb_ghost_elem_protected = 0;
try {
nb_ghost_elem_protected = nb_ghost_protected(*it, _ghost);
} catch (...) {
}
if (!remove_elem.getNewNumbering().exists(*it, _ghost))
remove_elem.getNewNumbering().alloc(nb_ghost_elem, 1, *it, _ghost);
else
remove_elem.getNewNumbering(*it, _ghost).resize(nb_ghost_elem);
Array<UInt> & new_numbering = remove_elem.getNewNumbering(*it, _ghost);
for (UInt g = 0; g < nb_ghost_elem; ++g) {
element.element = g;
if (element.element >= nb_ghost_elem_protected &&
relevant_ghost_elements.find(element) ==
relevant_ghost_elements.end()) {
remove_elem.getList().push_back(element);
new_numbering(element.element) = UInt(-1);
}
}
/// renumber remaining ghosts
UInt ng = 0;
for (UInt g = 0; g < nb_ghost_elem; ++g) {
if (new_numbering(g) != UInt(-1)) {
new_numbering(g) = ng;
++ng;
}
}
}
}
for (UInt k = _ek_regular; k < _ek_igfem; ++k) {
ElementKind el_kind = (ElementKind)k;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, _ghost, el_kind);
Mesh::type_iterator last_type =
mesh.lastType(spatial_dimension, _ghost, el_kind);
for (; it != last_type; ++it) {
UInt nb_elem = mesh.getNbElement(*it, _not_ghost);
if (!remove_elem.getNewNumbering().exists(*it, _not_ghost))
remove_elem.getNewNumbering().alloc(nb_elem, 1, *it, _not_ghost);
Array<UInt> & new_numbering =
remove_elem.getNewNumbering(*it, _not_ghost);
for (UInt e = 0; e < nb_elem; ++e) {
new_numbering(e) = e;
}
}
}
mesh.sendEvent(remove_elem);
}
/* -------------------------------------------------------------------------- */
void NonLocalManagerIGFEM::onElementsAdded(__attribute__((unused))
const Array<Element> & element_list,
__attribute__((unused))
const NewElementsEvent & event) {
FEEngine & fee = this->model.getFEEngine("IGFEMFEEngine");
this->resizeElementTypeMap(1, volumes, fee, _ek_igfem);
this->resizeElementTypeMap(spatial_dimension, quad_positions, fee, _ek_igfem);
NonLocalManager::onElementsAdded(element_list, event);
}
/* -------------------------------------------------------------------------- */
void NonLocalManagerIGFEM::onElementsRemoved(
const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
__attribute__((unused)) const RemovedElementsEvent & event) {
FEEngine & fee = this->model.getFEEngine("IGFEMFEEngine");
this->removeIntegrationPointsFromMap(event.getNewNumbering(),
spatial_dimension, quad_positions, fee,
_ek_igfem);
this->removeIntegrationPointsFromMap(event.getNewNumbering(), 1, volumes, fee,
_ek_igfem);
NonLocalManager::onElementsRemoved(element_list, new_numbering, event);
}
} // namespace akantu
#endif /* AKANTU_DAMAGE_NON_LOCAL */
c4science · Help