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igfem_enrichment.cc
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Fri, Sep 20, 03:53

igfem_enrichment.cc
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/**
* Copyright (©) 2018-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "igfem_enrichment.hh"
namespace akantu {
/* -------------------------------------------------------------------------- */
IGFEMEnrichment::IGFEMEnrichment(Mesh & mesh) : intersector_sphere(mesh) {}
/* -------------------------------------------------------------------------- */
void IGFEMEnrichment::initialize() { intersector_sphere.init(); }
/* -------------------------------------------------------------------------- */
void IGFEMEnrichment::update(ID domain) {
if (domain == "")
domain = default_geometry;
Geometry & geometry = getGeometry(domain);
intersector_sphere.buildIGFEMMeshFromSpheres(geometry);
}
/* -------------------------------------------------------------------------- */
void IGFEMEnrichment::unRegisterGeometryObject(const ID & domain) {
GeometryMap::iterator it = geometries.find(domain);
AKANTU_DEBUG_ASSERT(it != geometries.end(), "Geometry object with domain "
<< domain
<< " was not found");
geometries.erase(it);
if (!geometries.empty())
default_geometry = (*geometries.begin()).first;
}
/* -------------------------------------------------------------------------- */
void IGFEMEnrichment::registerGeometryObject(Geometry & geometry,
const ID & domain) {
if (geometries.size() == 0)
default_geometry = domain;
#ifndef AKANTU_NDEBUG
GeometryMap::iterator it = geometries.find(domain);
AKANTU_DEBUG_ASSERT(it == geometries.end(), "Geometry object with domain "
<< domain
<< " was already created");
#endif
std::stringstream sstr;
sstr << "geometry:" << domain;
geometries[domain] = &geometry;
}
/* -------------------------------------------------------------------------- */
IGFEMEnrichment::Geometry & IGFEMEnrichment::getGeometry(ID & domain) const {
AKANTU_DEBUG_IN();
if (domain == "")
domain = default_geometry;
GeometryMap::const_iterator it = geometries.find(domain);
AKANTU_DEBUG_ASSERT(it != geometries.end(),
"The geometry " << domain << " is not registered");
AKANTU_DEBUG_OUT();
return *(it->second);
}
/* -------------------------------------------------------------------------- */
void IGFEMEnrichment::moveInterface(Real new_position, ID domain) {
if (domain == "")
domain = default_geometry;
Geometry & geometry = getGeometry(domain);
/// for this type of IGFEM enrichment the geometry consists of a list of
/// spheres
/// -> need to loop over spheres and change their radius,
/// which specifies the position of interfaces
Geometry::const_iterator query_it = geometry.begin();
Geometry sphere_list;
for (; query_it != geometry.end(); ++query_it) {
SK::Sphere_3 sphere(query_it->center(), new_position * new_position);
sphere_list.push_back(sphere);
}
geometry.zero();
geometry = sphere_list;
this->update(domain);
}
} // namespace akantu

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