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rAKA/src/mesh_utils/cohesive_element_inserter.cc
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cohesive_element_inserter.cc
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/**
* @file cohesive_element_inserter.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Wed Dec 04 2013
* @date last modification: Tue Jul 29 2014
*
* @brief Cohesive element inserter functions
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include <algorithm>
#include <limits>
#include "cohesive_element_inserter.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
CohesiveElementInserter::CohesiveElementInserter(Mesh & mesh,
bool is_extrinsic,
DistributedSynchronizer * synchronizer,
const ID & id) :
id(id),
mesh(mesh),
mesh_facets(mesh.initMeshFacets()),
insertion_facets("insertion_facets", id),
insertion_limits(mesh.getSpatialDimension(), 2),
check_facets("check_facets", id) {
MeshUtils::buildAllFacets(mesh, mesh_facets, 0, synchronizer);
init(is_extrinsic);
}
/* -------------------------------------------------------------------------- */
CohesiveElementInserter::~CohesiveElementInserter() {
#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
delete distributed_synchronizer;
#endif
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::init(bool is_extrinsic) {
AKANTU_DEBUG_IN();
UInt spatial_dimension = mesh.getSpatialDimension();
MeshUtils::resetFacetToDouble(mesh_facets);
/// initialize facet insertion array
mesh_facets.initElementTypeMapArray(insertion_facets, 1,
spatial_dimension - 1,
false,
_ek_regular,
true);
/// init insertion limits
for (UInt dim = 0; dim < spatial_dimension; ++dim) {
insertion_limits(dim, 0) = std::numeric_limits<Real>::max() * (-1.);
insertion_limits(dim, 1) = std::numeric_limits<Real>::max();
}
if (is_extrinsic) {
mesh_facets.initElementTypeMapArray(check_facets, 1, spatial_dimension - 1);
initFacetsCheck();
}
#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
facet_synchronizer = NULL;
distributed_synchronizer = NULL;
#endif
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::initFacetsCheck() {
AKANTU_DEBUG_IN();
UInt spatial_dimension = mesh.getSpatialDimension();
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType facet_gt = *gt;
Mesh::type_iterator it = mesh_facets.firstType(spatial_dimension - 1, facet_gt);
Mesh::type_iterator last = mesh_facets.lastType(spatial_dimension - 1, facet_gt);
for (; it != last; ++it) {
ElementType facet_type = *it;
Array<bool> & f_check = check_facets(facet_type, facet_gt);
const Array< std::vector<Element> > & element_to_facet
= mesh_facets.getElementToSubelement(facet_type, facet_gt);
UInt nb_facet = element_to_facet.getSize();
f_check.resize(nb_facet);
for (UInt f = 0; f < nb_facet; ++f) {
if (element_to_facet(f)[1] == ElementNull ||
(element_to_facet(f)[0].ghost_type == _ghost &&
element_to_facet(f)[1].ghost_type == _ghost)) {
f_check(f) = false;
}
else f_check(f) = true;
}
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::limitCheckFacets() {
AKANTU_DEBUG_IN();
UInt spatial_dimension = mesh.getSpatialDimension();
Vector<Real> bary_facet(spatial_dimension);
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end();
++gt) {
GhostType ghost_type = *gt;
Mesh::type_iterator it = mesh_facets.firstType(spatial_dimension - 1, ghost_type);
Mesh::type_iterator end = mesh_facets.lastType(spatial_dimension - 1, ghost_type);
for(; it != end; ++it) {
ElementType type = *it;
Array<bool> & f_check = check_facets(type, ghost_type);
UInt nb_facet = mesh_facets.getNbElement(type, ghost_type);
for (UInt f = 0; f < nb_facet; ++f) {
if (f_check(f)) {
mesh_facets.getBarycenter(f, type, bary_facet.storage(), ghost_type);
UInt coord_in_limit = 0;
while (coord_in_limit < spatial_dimension &&
bary_facet(coord_in_limit) > insertion_limits(coord_in_limit, 0) &&
bary_facet(coord_in_limit) < insertion_limits(coord_in_limit, 1))
++coord_in_limit;
if (coord_in_limit != spatial_dimension)
f_check(f) = false;
}
}
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::setLimit(SpacialDirection axis,
Real first_limit,
Real second_limit) {
AKANTU_DEBUG_ASSERT(axis < mesh.getSpatialDimension(),
"You are trying to limit insertion in a direction that doesn't exist");
insertion_limits(axis, 0) = std::min(first_limit, second_limit);
insertion_limits(axis, 1) = std::max(first_limit, second_limit);
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::insertIntrinsicElements() {
AKANTU_DEBUG_IN();
UInt spatial_dimension = mesh.getSpatialDimension();
Vector<Real> bary_facet(spatial_dimension);
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
Mesh::type_iterator it = mesh_facets.firstType(spatial_dimension - 1, ghost_type);
Mesh::type_iterator end = mesh_facets.lastType(spatial_dimension - 1, ghost_type);
for(; it != end; ++it) {
const ElementType type_facet = *it;
Array<bool> & f_insertion = insertion_facets(type_facet, ghost_type);
Array<std::vector<Element> > & element_to_facet
= mesh_facets.getElementToSubelement(type_facet, ghost_type);
UInt nb_facet = mesh_facets.getNbElement(type_facet, ghost_type);
for (UInt f = 0; f < nb_facet; ++f) {
if (element_to_facet(f)[1] == ElementNull) continue;
mesh_facets.getBarycenter(f, type_facet, bary_facet.storage(), ghost_type);
UInt coord_in_limit = 0;
while (coord_in_limit < spatial_dimension &&
bary_facet(coord_in_limit) > insertion_limits(coord_in_limit, 0) &&
bary_facet(coord_in_limit) < insertion_limits(coord_in_limit, 1))
++coord_in_limit;
if (coord_in_limit == spatial_dimension)
f_insertion(f) = true;
}
}
}
insertElements();
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
UInt CohesiveElementInserter::insertElements() {
NewNodesEvent node_event;
node_event.getList().extendComponentsInterlaced(2, 1);
NewElementsEvent element_event;
MeshUtils::insertCohesiveElements(mesh,
mesh_facets,
insertion_facets,
node_event.getList(),
element_event.getList());
UInt nb_new_nodes = node_event.getList().getSize();
UInt nb_new_elements = element_event.getList().getSize();
#if defined(AKANTU_PARALLEL_COHESIVE_ELEMENT)
if (mesh.getNodesType().getSize()) {
/// update nodes type
updateNodesType(mesh, node_event);
updateNodesType(mesh_facets, node_event);
/// update global ids
nb_new_nodes = updateGlobalIDs(node_event);
/// compute total number of new elements
StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
comm.allReduce(&nb_new_elements, 1, _so_sum);
}
#endif
if (nb_new_nodes > 0) {
mesh.nb_global_nodes += nb_new_nodes;
mesh_facets.nb_global_nodes += nb_new_nodes;
mesh.sendEvent(node_event);
}
if (nb_new_elements > 0) {
updateInsertionFacets();
mesh.updateTypesOffsets(_not_ghost);
mesh.sendEvent(element_event);
MeshUtils::resetFacetToDouble(mesh_facets);
}
return nb_new_elements;
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::updateInsertionFacets() {
AKANTU_DEBUG_IN();
UInt spatial_dimension = mesh.getSpatialDimension();
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType facet_gt = *gt;
Mesh::type_iterator it = mesh_facets.firstType(spatial_dimension - 1, facet_gt);
Mesh::type_iterator last = mesh_facets.lastType(spatial_dimension - 1, facet_gt);
for (; it != last; ++it) {
ElementType facet_type = *it;
Array<bool> & ins_facets = insertion_facets(facet_type, facet_gt);
// this is the extrinsic case
if (check_facets.exists(facet_type, facet_gt)) {
Array<bool> & f_check = check_facets(facet_type, facet_gt);
UInt nb_facets = f_check.getSize();
for (UInt f = 0; f < ins_facets.getSize(); ++f) {
if (ins_facets(f)) {
++nb_facets;
ins_facets(f) = false;
f_check(f) = false;
}
}
f_check.resize(nb_facets);
}
// and this the intrinsic one
else {
ins_facets.resize(mesh_facets.getNbElement(facet_type, facet_gt));
ins_facets.set(false);
}
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void CohesiveElementInserter::printself(std::ostream & stream, int indent) const {
std::string space;
for(Int i = 0; i < indent; i++, space += AKANTU_INDENT);
stream << space << "CohesiveElementInserter [" << std::endl;
stream << space << " + mesh [" << std::endl;
mesh.printself(stream, indent + 2);
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << " + mesh_facets [" << std::endl;
mesh_facets.printself(stream, indent + 2);
stream << space << AKANTU_INDENT << "]" << std::endl;
stream << space << "]" << std::endl;
}
__END_AKANTU__
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