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rAKA/src/model/solid_mechanics/embedded_interface_intersector.cc
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embedded_interface_intersector.cc
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/**
* @file embedded_interface_intersector.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Wed Apr 29 2015
* @date last modification: Wed Apr 29 2015
*
* @brief Class that loads the interface from mesh and computes intersections
*
* @section LICENSE
*
* Copyright (©) 2010-2015 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 "embedded_interface_intersector.hh"
#include "mesh_segment_intersector.hh"
/// Helper macro for types in the mesh. Creates an intersector and computes intersection queries
#define INTERFACE_INTERSECTOR_CASE(dim, type) do { \
MeshSegmentIntersector<dim, type> intersector(this->mesh, interface_mesh); \
name_to_primitives_it = name_to_primitives_map.begin(); \
for (; name_to_primitives_it != name_to_primitives_end ; ++name_to_primitives_it) { \
intersector.computeIntersectionQueryList( \
name_to_primitives_it->second, \
name_to_primitives_it->first); \
} } while(0)
#define INTERFACE_INTERSECTOR_CASE_2D(type) INTERFACE_INTERSECTOR_CASE(2, type)
#define INTERFACE_INTERSECTOR_CASE_3D(type) INTERFACE_INTERSECTOR_CASE(3, type)
__BEGIN_AKANTU__
EmbeddedInterfaceIntersector::EmbeddedInterfaceIntersector(const Mesh & mesh, const Mesh & primitive_mesh) :
MeshGeomAbstract(mesh),
interface_mesh(mesh.getSpatialDimension(), "interface_mesh"),
primitive_mesh(primitive_mesh)
{
// Initiating mesh connectivity and data
interface_mesh.addConnectivityType(_segment_2, _not_ghost);
interface_mesh.addConnectivityType(_segment_2, _ghost);
interface_mesh.registerData<Element>("associated_element").alloc(0, 1, _segment_2);
interface_mesh.registerData<std::string>("physical_names").alloc(0, 1, _segment_2);
}
EmbeddedInterfaceIntersector::~EmbeddedInterfaceIntersector()
{}
void EmbeddedInterfaceIntersector::constructData() {
AKANTU_DEBUG_IN();
const UInt dim = this->mesh.getSpatialDimension();
if (dim == 1)
AKANTU_DEBUG_ERROR("No embedded model in 1D. Deactivate intersection initialization");
Array<std::string> * physical_names = NULL;
try {
physical_names = &const_cast<Array<std::string> &>(this->primitive_mesh.getData<std::string>("physical_names", _segment_2));
} catch (debug::Exception & e) {
AKANTU_DEBUG_ERROR("You must define physical names to reinforcements in order to use the embedded model");
throw e;
}
const UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(_segment_2);
Array<UInt>::const_vector_iterator connectivity = primitive_mesh.getConnectivity(_segment_2).begin(nb_nodes_per_element);
Array<std::string>::scalar_iterator
names_it = physical_names->begin(),
names_end = physical_names->end();
std::map<std::string, std::list<K::Segment_3> > name_to_primitives_map;
// Loop over the physical names and register segment lists in name_to_primitives_map
for (; names_it != names_end ; ++names_it) {
UInt element_id = names_it - physical_names->begin();
const Vector<UInt> el_connectivity = connectivity[element_id];
K::Segment_3 segment = this->createSegment(el_connectivity);
name_to_primitives_map[*names_it].push_back(segment);
}
// Loop over the background types of the mesh
Mesh::type_iterator
type_it = this->mesh.firstType(dim, _not_ghost),
type_end = this->mesh.lastType(dim, _not_ghost);
std::map<std::string, std::list<K::Segment_3> >::iterator
name_to_primitives_it,
name_to_primitives_end = name_to_primitives_map.end();
for (; type_it != type_end ; ++type_it) {
// Used in AKANTU_BOOST_ELEMENT_SWITCH
ElementType type = *type_it;
AKANTU_DEBUG_INFO("Computing intersections with background element type " << type);
switch(dim) {
case 1:
break;
case 2:
// Compute intersections for supported 2D elements
AKANTU_BOOST_ELEMENT_SWITCH(INTERFACE_INTERSECTOR_CASE_2D, (_triangle_3));
break;
case 3:
// Compute intersections for supported 3D elements
AKANTU_BOOST_ELEMENT_SWITCH(INTERFACE_INTERSECTOR_CASE_3D, (_tetrahedron_4));
break;
}
}
AKANTU_DEBUG_OUT();
}
K::Segment_3 EmbeddedInterfaceIntersector::createSegment(const Vector<UInt> & connectivity) {
AKANTU_DEBUG_IN();
K::Point_3 * source = NULL, * target = NULL;
const Array<Real> & nodes = this->primitive_mesh.getNodes();
if (this->mesh.getSpatialDimension() == 2) {
source = new K::Point_3(nodes(connectivity(0), 0), nodes(connectivity(0), 1), 0.);
target = new K::Point_3(nodes(connectivity(1), 0), nodes(connectivity(1), 1), 0.);
} else if (this->mesh.getSpatialDimension() == 3) {
source = new K::Point_3(nodes(connectivity(0), 0), nodes(connectivity(0), 1), nodes(connectivity(0), 2));
target = new K::Point_3(nodes(connectivity(1), 0), nodes(connectivity(1), 1), nodes(connectivity(1), 2));
}
K::Segment_3 segment(*source, *target);
delete source;
delete target;
AKANTU_DEBUG_OUT();
return segment;
}
__END_AKANTU__
#undef INTERFACE_INTERSECTOR_CASE
#undef INTERFACE_INTERSECTOR_CASE_2D
#undef INTERFACE_INTERSECTOR_CASE_3D
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