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rAKA/src/mesh_utils/mesh_utils_inline_impl.cc
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mesh_utils_inline_impl.cc
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/**
* @file mesh_utils_inline_impl.cc
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Aug 20 2010
* @date last modification: Mon Jun 09 2014
*
* @brief Mesh utils inline functions
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
inline bool MeshUtils::hasElement(const Array<UInt> & connectivity,
const Element & el,
const Vector<UInt> & nodes) {
UInt nb_nodes_per_element = connectivity.getNbComponent();
const Vector<UInt> el_nodes(connectivity.storage()
+ el.element * nb_nodes_per_element,
nb_nodes_per_element);
UInt matched_nodes = 0;
for (UInt n = 0; n < nodes.size(); ++n) {
if (std::find(el_nodes.storage(),
el_nodes.storage() + nb_nodes_per_element,
nodes[n])
!= (el_nodes.storage() + nb_nodes_per_element))
++matched_nodes;
}
return (matched_nodes == nodes.size());
}
/* -------------------------------------------------------------------------- */
inline void MeshUtils::updateElementalConnectivity(Mesh & mesh,
UInt old_node,
UInt new_node,
const std::vector<Element> & element_list,
const std::vector<Element> * facet_list) {
AKANTU_DEBUG_IN();
ElementType el_type = _not_defined;
GhostType gt_type = _casper;
Array<UInt> * conn_elem = NULL;
#if defined(AKANTU_COHESIVE_ELEMENT)
const Array<Element> * cohesive_facets = NULL;
#endif
UInt nb_nodes_per_element = 0;
UInt * n_update = NULL;
for (UInt el = 0; el < element_list.size(); ++el) {
const Element & elem = element_list[el];
if (elem.type == _not_defined) continue;
if (elem.type != el_type || elem.ghost_type != gt_type) {
el_type = elem.type;
gt_type = elem.ghost_type;
conn_elem = & mesh.getConnectivity(el_type, gt_type);
nb_nodes_per_element = conn_elem->getNbComponent();
#if defined(AKANTU_COHESIVE_ELEMENT)
if (elem.kind == _ek_cohesive)
cohesive_facets = & mesh.getMeshFacets().getSubelementToElement(el_type, gt_type);
#endif
}
#if defined(AKANTU_COHESIVE_ELEMENT)
if (elem.kind == _ek_cohesive) {
AKANTU_DEBUG_ASSERT(facet_list != NULL,
"Provide a facet list in order to update cohesive elements");
/// loop over cohesive element's facets
for (UInt f = 0, n = 0; f < 2; ++f, n += nb_nodes_per_element / 2) {
const Element & facet = (*cohesive_facets)(elem.element, f);
/// skip facets if not present in the list
if (std::find(facet_list->begin(), facet_list->end(), facet)
== facet_list->end()) continue;
n_update
= std::find(conn_elem->storage() + elem.element * nb_nodes_per_element + n,
conn_elem->storage() + elem.element * nb_nodes_per_element + n
+ nb_nodes_per_element / 2,
old_node);
AKANTU_DEBUG_ASSERT(n_update != conn_elem->storage()
+ elem.element * nb_nodes_per_element + n
+ nb_nodes_per_element / 2,
"Node not found in current element");
/// update connectivity
*n_update = new_node;
}
}
else {
#endif
n_update
= std::find(conn_elem->storage() + elem.element * nb_nodes_per_element,
conn_elem->storage() + elem.element * nb_nodes_per_element
+ nb_nodes_per_element,
old_node);
AKANTU_DEBUG_ASSERT(n_update != conn_elem->storage()
+ elem.element * nb_nodes_per_element
+ nb_nodes_per_element,
"Node not found in current element");
/// update connectivity
*n_update = new_node;
#if defined(AKANTU_COHESIVE_ELEMENT)
}
#endif
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
inline bool MeshUtils::removeElementsInVector(const std::vector<Element> & elem_to_remove,
std::vector<Element> & elem_list) {
if (elem_list.size() <= elem_to_remove.size())
return true;
std::vector<Element>::const_iterator el_it = elem_to_remove.begin();
std::vector<Element>::const_iterator el_last = elem_to_remove.end();
std::vector<Element>::iterator el_del;
UInt deletions = 0;
for (; el_it != el_last; ++el_it) {
el_del = std::find(elem_list.begin(), elem_list.end(), *el_it);
if (el_del != elem_list.end()) {
elem_list.erase(el_del);
++deletions;
}
}
AKANTU_DEBUG_ASSERT(deletions == 0 || deletions == elem_to_remove.size(),
"Not all elements have been erased");
return deletions == 0;
}
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