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rAKA/src/model/common/non_local_toolbox/non_local_manager.cc
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non_local_manager.cc
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/**
* @file non_local_manager.cc
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @date Mon Sep 21 15:32:10 2015
*
* @brief Implementation of non-local manager
*
* @section LICENSE
*
* 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "non_local_manager.hh"
#include "non_local_neighborhood.hh"
#include "material_non_local.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
NonLocalManager::NonLocalManager(SolidMechanicsModel & model,
const ID & id,
const MemoryID & memory_id) :
Memory(id, memory_id),
Parsable(_st_neighborhoods, id),
model(model),
default_neighborhood("default_neighborhood"),
quad_positions("quad_positions", id),
volumes("volumes", id),
spatial_dimension(this->model.getSpatialDimension()),
compute_stress_calls(0){
Mesh & mesh = this->model.getMesh();
/// initialize the element type map arrays
mesh.initElementTypeMapArray(quad_positions, spatial_dimension, spatial_dimension, false, _ek_regular, true);
/// parse the neighborhood information from the input file
const Parser & parser = getStaticParser();
const ParserSection & non_local_section = *(parser.getSubSections(_st_neighborhoods).first);
/// iterate over all the non-local sections and store them in a map
std::pair<Parser::const_section_iterator, Parser::const_section_iterator>
weight_sect = non_local_section.getSubSections(_st_non_local);
Parser::const_section_iterator it = weight_sect.first;
for (; it != weight_sect.second; ++it) {
const ParserSection & section = *it;
ID name = section.getName();
this->weight_function_types[name] = section;
}
}
/* -------------------------------------------------------------------------- */
NonLocalManager::~NonLocalManager() {
NeighborhoodMap::iterator it;
for (it = neighborhoods.begin(); it != neighborhoods.end(); ++it) {
if(it->second) delete it->second;
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::setJacobians(const FEEngine & fe_engine, const ElementKind & kind) {
Mesh & mesh = this->model.getMesh();
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, gt, kind);
Mesh::type_iterator last_type = mesh.lastType(spatial_dimension, gt, kind);
for(; it != last_type; ++it) {
jacobians(*it, gt) = &fe_engine.getIntegratorInterface().getJacobians(*it, gt);
}
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::createNeighborhood(const ID & weight_func, const ID & neighborhood_id) {
AKANTU_DEBUG_IN();
const ParserSection & section = this->weight_function_types[weight_func];
const ID weight_func_type = section.getOption();
/// create new neighborhood for given ID
std::stringstream sstr; sstr << id << ":neighborhood:" << neighborhood_id;
if (weight_func_type == "base_wf")
neighborhoods[neighborhood_id] = new NonLocalNeighborhood<TestWeightFunction>(*this, this->quad_positions, sstr.str());
else
{std::cout << "error here" << std::endl;}
neighborhoods[neighborhood_id]->parseSection(section);
neighborhoods[neighborhood_id]->initNeighborhood();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::createNeighborhoodSynchronizers() {
NeighborhoodMap::iterator it;
for (it = neighborhoods.begin(); it != neighborhoods.end(); ++it) {
it->second->createGridSynchronizer();
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::flattenInternal(ElementTypeMapReal & internal_flat,
const GhostType & ghost_type,
const ElementKind & kind) {
const ID field_name = internal_flat.getName();
for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
Material & material = *(this->non_local_materials[m]);
if (material.isInternal(field_name, kind))
material.flattenInternal(field_name, internal_flat, ghost_type, kind);
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::averageInternals(const GhostType & ghost_type) {
/// loop over all neighborhoods and compute the non-local variables
NeighborhoodMap::iterator neighborhood_it = neighborhoods.begin();
NeighborhoodMap::iterator neighborhood_end = neighborhoods.end();
for (; neighborhood_it != neighborhood_end; ++neighborhood_it) {
/// update the weights of the weight function
if (ghost_type == _not_ghost)
neighborhood_it->second->updateWeights();
/// loop over all the non-local variables
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) {
NonLocalVariable * non_local_var = non_local_variable_it->second;
neighborhood_it->second->weightedAverageOnNeighbours(non_local_var->local, non_local_var->non_local, non_local_var->nb_component, ghost_type);
}
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::init(){
/// 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;
}
}
this->setJacobians(this->model.getFEEngine(), _ek_regular);
this->initNonLocalVariables();
this->updatePairLists();
this->initElementTypeMap(1, volumes);
this->computeWeights();
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::initNonLocalVariables(){
/// loop over all the non-local variables
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) {
NonLocalVariable & variable = *(non_local_variable_it->second);
this->initElementTypeMap(variable.nb_component, variable.non_local);
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::initElementTypeMap(UInt nb_component, ElementTypeMapReal & element_map) {
Mesh & mesh = this->model.getMesh();
/// need to resize the arrays
for(UInt g = _not_ghost; g <= _ghost; ++g) {
GhostType gt = (GhostType) g;
Mesh::type_iterator it = mesh.firstType(spatial_dimension, gt, _ek_regular);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, gt, _ek_regular);
for(; it != end; ++it) {
ElementType el_type = *it;
UInt nb_element = mesh.getNbElement(*it, gt);
UInt nb_quads = this->model.getFEEngine().getNbQuadraturePoints(*it, gt);
if (!element_map.exists(el_type, gt)) {
element_map.alloc(nb_element * nb_quads,
nb_component,
el_type,
gt);
}
}
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::distributeInternals(ElementKind kind) {
/// loop over all the non-local variables and copy back their values into the materials
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) {
NonLocalVariable * non_local_var = non_local_variable_it->second;
const ID field_name = non_local_var->non_local.getName();
/// loop over all the materials
for (UInt m = 0; m < this->non_local_materials.size(); ++m) {
if (this->non_local_materials[m]->isInternal(field_name, kind))
switch (spatial_dimension) {
case 1:
dynamic_cast<MaterialNonLocal<1> &>(*(this->non_local_materials[m])).updateNonLocalInternals(non_local_var->non_local, field_name, non_local_var->nb_component);
break;
case 2:
dynamic_cast<MaterialNonLocal<2> &>(*(this->non_local_materials[m])).updateNonLocalInternals(non_local_var->non_local, field_name, non_local_var->nb_component);
break;
case 3:
dynamic_cast<MaterialNonLocal<3> &>(*(this->non_local_materials[m])).updateNonLocalInternals(non_local_var->non_local, field_name, non_local_var->nb_component);
break;
}
}
}
}
/* -------------------------------------------------------------------------- */
void NonLocalManager::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.clear();
non_local_variable_it->second->non_local.clear();
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->volumes.clear();
SynchronizerRegistry & synch_registry = this->model.getSynchronizerRegistry();
synch_registry.asynchronousSynchronize(_gst_mnl_for_average);
AKANTU_DEBUG_INFO("Compute non local variables for local elements");
synch_registry.asynchronousSynchronize(_gst_mnl_weight);
this->averageInternals(_not_ghost);
AKANTU_DEBUG_INFO("Wait distant non local stresses");
synch_registry.waitEndSynchronize(_gst_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;
}
__END_AKANTU__
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