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rAKA/src/model/contact_mechanics/surface_selector.cc
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surface_selector.cc
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/**
* @file surface_selector.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Jun 21 2019
* @date last modification: Fri Jun 21 2019
*
* @brief Surface selector for contact detector
*
* @section LICENSE
*
* Copyright (©) 2015-2018 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 "surface_selector.hh"
#include "model.hh"
#include "geometry_utils.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
SurfaceSelector::SurfaceSelector(Mesh & mesh)
: Parsable(ParserType::_contact_detector), mesh(mesh) {}
/* -------------------------------------------------------------------------- */
/**
* class that selects contact surface from physical names
*/
PhysicalSurfaceSelector::PhysicalSurfaceSelector(Mesh & mesh)
: SurfaceSelector(mesh) {
const Parser & parser = getStaticParser();
const ParserSection & section =
*(parser.getSubSections(ParserType::_contact_detector).first);
master = section.getParameterValue<std::string>("master");
slave = section.getParameterValue<std::string>("slave");
UInt surface_dimension = mesh.getSpatialDimension() - 1;
auto & group = mesh.createElementGroup("contact_surface",
surface_dimension);
group.append(mesh.getElementGroup(master));
group.append(mesh.getElementGroup(slave));
group.optimize();
}
/* -------------------------------------------------------------------------- */
Array<UInt> & PhysicalSurfaceSelector::getMasterList() {
return mesh.getElementGroup(master).getNodeGroup().getNodes();
}
/* -------------------------------------------------------------------------- */
Array<UInt> & PhysicalSurfaceSelector::getSlaveList() {
return mesh.getElementGroup(slave).getNodeGroup().getNodes();
}
/* -------------------------------------------------------------------------- */
/**
* class that selects contact surface from cohesive elements
*/
#if defined(AKANTU_COHESIVE_ELEMENT)
/* -------------------------------------------------------------------------- */
CohesiveSurfaceSelector::CohesiveSurfaceSelector(Mesh & mesh)
: SurfaceSelector(mesh), mesh_facets(mesh.getMeshFacets()) {
this->mesh.registerEventHandler(*this, _ehp_lowest);
}
/* -------------------------------------------------------------------------- */
void CohesiveSurfaceSelector::onElementsAdded(const Array<Element> & element_list,
__attribute__((unused)) const NewElementsEvent & event) {
UInt surface_dimension = mesh.getSpatialDimension() - 1;
auto & group = mesh_facets.createElementGroup("contact_surface",
surface_dimension, true);
for(auto elem : element_list) {
if(elem.kind() != _ek_cohesive)
continue;
const auto & subelement_to_element =
mesh_facets.getSubelementToElement(elem.type);
auto && facets = Vector<Element>(
make_view(subelement_to_element,
subelement_to_element.getNbComponent())
.begin()[elem.element]);
for(auto facet : facets) {
group.add(facet, true);
}
}
group.optimize();
for(auto & node : group.getNodeGroup().getNodes())
new_nodes_list.push_back(node);
}
/* -------------------------------------------------------------------------- */
void CohesiveSurfaceSelector::onNodesAdded(__attribute__((unused)) const Array<UInt> & new_nodes,
const NewNodesEvent & event) {
if (not aka::is_of_type<CohesiveNewNodesEvent>(event))
return;
/*const auto & cohesive_event = aka::as_type<CohesiveNewNodesEvent>(event);
const auto & old_nodes = cohesive_event.getOldNodesList();
UInt nb_new_nodes = new_nodes.size();
UInt nb_old_nodes = old_nodes.size();
for (auto n : arange(nb_new_nodes)) {
new_nodes_list.push_back(new_nodes(n));
}
for (auto n : arange(nb_old_nodes)) {
new_nodes_list.push_back(old_nodes(n));
}*/
mesh_facets.fillNodesToElements(mesh.getSpatialDimension() - 1);
/*UInt surface_dimension = mesh.getSpatialDimension() - 1;
auto & group = mesh_facets.createElementGroup("contact_surface",
surface_dimension, true);
for (auto node : new_nodes_list) {
Array<Element> all_elements;
mesh_facets.getAssociatedElements(node, all_elements);
Array<Element> mesh_facet_elements;
this->filterBoundaryElements(all_elements, mesh_facet_elements);
for (auto nb_elem : arange(mesh_facet_elements.size()))
group.add(mesh_facet_elements[nb_elem], true);
}
group.optimize();*/
}
/* -------------------------------------------------------------------------- */
//void CohesiveSurfaceSelector::filterBoundaryElements(
// Array<Element> & subelements, Array<Element> & boundary_elements) {
// for (auto subelem : subelements) {
// if(GeometryUtils::isBoundaryElement(mesh_facets, subelem))
// boundary_elements.push_back(subelem);
// }
//}
/* -------------------------------------------------------------------------- */
Array<UInt> & CohesiveSurfaceSelector::getMasterList() {
return this->getNewNodesList();
}
/* -------------------------------------------------------------------------- */
Array<UInt> & CohesiveSurfaceSelector::getSlaveList() {
return this->getNewNodesList();
}
/* -------------------------------------------------------------------------- */
/**
* class that selects contact surface from both cohesive elements and
* physical names
*/
AllSurfaceSelector::AllSurfaceSelector(Mesh & mesh)
: SurfaceSelector(mesh), mesh_facets(mesh.getMeshFacets()) {
this->mesh.registerEventHandler(*this, _ehp_lowest);
const Parser & parser = getStaticParser();
const ParserSection & section =
*(parser.getSubSections(ParserType::_contact_detector).first);
master = section.getParameterValue<std::string>("master");
slave = section.getParameterValue<std::string>("slave");
UInt surface_dimension = this->mesh.getSpatialDimension() - 1;
auto & group = mesh_facets.createElementGroup("contact_surface",
surface_dimension);
group.append(mesh_facets.getElementGroup(master));
group.append(mesh_facets.getElementGroup(slave));
group.optimize();
for(auto & node : group.getNodeGroup().getNodes())
new_nodes_list.push_back(node);
}
/* -------------------------------------------------------------------------- */
void AllSurfaceSelector::onElementsAdded(const Array<Element> & element_list,
__attribute__((unused)) const NewElementsEvent & event) {
UInt surface_dimension = mesh.getSpatialDimension() - 1;
auto & group = mesh_facets.createElementGroup("contact_surface",
surface_dimension, true);
for(auto elem : element_list) {
if(elem.kind() != _ek_cohesive)
continue;
const auto & subelement_to_element =
mesh_facets.getSubelementToElement(elem.type);
auto && facets = Vector<Element>(
make_view(subelement_to_element,
subelement_to_element.getNbComponent())
.begin()[elem.element]);
for(auto facet : facets) {
group.add(facet, true);
}
}
group.optimize();
for(auto & node : group.getNodeGroup().getNodes())
new_nodes_list.push_back(node);
}
/* -------------------------------------------------------------------------- */
void AllSurfaceSelector::onNodesAdded(__attribute__((unused)) const Array<UInt> & new_nodes,
const NewNodesEvent & event) {
if (not aka::is_of_type<CohesiveNewNodesEvent>(event))
return;
/*const auto & cohesive_event = aka::as_type<CohesiveNewNodesEvent>(event);
const auto & old_nodes = cohesive_event.getOldNodesList();
UInt nb_new_nodes = new_nodes.size();
UInt nb_old_nodes = old_nodes.size();
for (auto n : arange(nb_new_nodes)) {
new_nodes_list.push_back(new_nodes(n));
}
for (auto n : arange(nb_old_nodes)) {
new_nodes_list.push_back(old_nodes(n));
}*/
mesh_facets.fillNodesToElements(mesh.getSpatialDimension() - 1);
/*auto & group = mesh_facets.getElementGroup("contact_surface");
for (auto node : new_nodes_list) {
Array<Element> all_elements;
mesh_facets.getAssociatedElements(node, all_elements);
Array<Element> mesh_facet_elements;
this->filterBoundaryElements(all_elements, mesh_facet_elements);
for (auto nb_elem : arange(mesh_facet_elements.size()))
group.add(mesh_facet_elements[nb_elem], true);
}
group.optimize();*/
}
/* -------------------------------------------------------------------------- */
//void AllSurfaceSelector::filterBoundaryElements(
// Array<Element> & subelements, Array<Element> & boundary_elements) {
// for (auto subelem : subelements) {
// if(GeometryUtils::isBoundaryElement(mesh_facets, subelem))
// boundary_elements.push_back(subelem);
// }
//}
/* -------------------------------------------------------------------------- */
Array<UInt> & AllSurfaceSelector::getMasterList() {
return this->getNewNodesList();
}
/* -------------------------------------------------------------------------- */
Array<UInt> & AllSurfaceSelector::getSlaveList() {
return this->getNewNodesList();
}
#endif
} // namespace akantu
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