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fe_engine_inline_impl.hh
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fe_engine_inline_impl.hh
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/**
* @file fe_engine_inline_impl.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Jul 20 2010
* @date last modification: Fri Dec 11 2020
*
* @brief Implementation of the inline functions of the FEEngine Class
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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 "element_class.hh"
#include "fe_engine.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#include "element_type_conversion.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_FE_ENGINE_INLINE_IMPL_HH_
#define AKANTU_FE_ENGINE_INLINE_IMPL_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
inline Real FEEngine::getElementInradius(const Matrix<Real> & coord,
ElementType type) {
Real inradius = 0;
#define GET_INRADIUS(type) inradius = ElementClass<type>::getInradius(coord);
AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_INRADIUS);
#undef GET_INRADIUS
return inradius;
}
/* -------------------------------------------------------------------------- */
inline Real FEEngine::getElementInradius(const Element & element) const {
auto spatial_dimension = mesh.getSpatialDimension();
auto positions = make_view(mesh.getNodes(), spatial_dimension).begin();
auto connectivity = mesh.getConnectivities().get(element);
Matrix<Real> coords(spatial_dimension, connectivity.size());
for (auto && data : zip(connectivity, coords)) {
Vector<Real>(std::get<1>(data)) =
Vector<Real>(positions[std::get<0>(data)]);
}
return getElementInradius(coords, element.type);
}
/* -------------------------------------------------------------------------- */
inline InterpolationType FEEngine::getInterpolationType(ElementType type) {
return convertType<ElementType, InterpolationType>(type);
}
/* -------------------------------------------------------------------------- */
/// @todo rewrite this function in order to get the cohesive element
/// type directly from the facet
#if defined(AKANTU_COHESIVE_ELEMENT)
inline ElementType FEEngine::getCohesiveElementType(ElementType type) {
ElementType ctype;
#define GET_COHESIVE_TYPE(type) \
ctype = CohesiveFacetProperty<type>::cohesive_type;
AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_COHESIVE_TYPE);
#undef GET_COHESIVE_TYPE
return ctype;
}
#else
inline ElementType FEEngine::getCohesiveElementType(__attribute__((unused))
ElementType type_facet) {
return _not_defined;
}
#endif
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_IGFEM)
} // akantu
#include "igfem_helper.hh"
namespace akantu {
inline Vector<ElementType> FEEngine::getIGFEMElementTypes(ElementType type) {
#define GET_IGFEM_ELEMENT_TYPES(type) \
return IGFEMHelper::getIGFEMElementTypes<type>();
AKANTU_BOOST_REGULAR_ELEMENT_SWITCH(GET_IGFEM_ELEMENT_TYPES);
#undef GET_IGFEM_ELEMENT_TYPES
}
#endif
/* -------------------------------------------------------------------------- */
template <typename T>
void FEEngine::extractNodalToElementField(const Mesh & mesh,
const Array<T> & nodal_f,
Array<T> & elemental_f,
ElementType type,
GhostType ghost_type,
const Array<UInt> & filter_elements) {
AKANTU_DEBUG_IN();
UInt nb_nodes_per_element = Mesh::getNbNodesPerElement(type);
UInt nb_degree_of_freedom = nodal_f.getNbComponent();
UInt nb_element = mesh.getNbElement(type, ghost_type);
UInt * conn_val = mesh.getConnectivity(type, ghost_type).storage();
if (filter_elements != empty_filter) {
nb_element = filter_elements.size();
}
elemental_f.resize(nb_element);
T * nodal_f_val = nodal_f.storage();
T * f_val = elemental_f.storage();
UInt * el_conn;
for (UInt el = 0; el < nb_element; ++el) {
if (filter_elements != empty_filter) {
el_conn = conn_val + filter_elements(el) * nb_nodes_per_element;
} else {
el_conn = conn_val + el * nb_nodes_per_element;
}
for (UInt n = 0; n < nb_nodes_per_element; ++n) {
UInt node = *(el_conn + n);
std::copy(nodal_f_val + node * nb_degree_of_freedom,
nodal_f_val + (node + 1) * nb_degree_of_freedom, f_val);
f_val += nb_degree_of_freedom;
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <typename T>
void FEEngine::filterElementalData(const Mesh & mesh, const Array<T> & elem_f,
Array<T> & filtered_f, ElementType type,
GhostType ghost_type,
const Array<UInt> & filter_elements) {
AKANTU_DEBUG_IN();
UInt nb_element = mesh.getNbElement(type, ghost_type);
if (nb_element == 0) {
filtered_f.resize(0);
return;
}
UInt nb_degree_of_freedom = elem_f.getNbComponent();
UInt nb_data_per_element = elem_f.size() / nb_element;
if (filter_elements != empty_filter) {
nb_element = filter_elements.size();
}
filtered_f.resize(nb_element * nb_data_per_element);
T * elem_f_val = elem_f.storage();
T * f_val = filtered_f.storage();
UInt el_offset;
for (UInt el = 0; el < nb_element; ++el) {
if (filter_elements != empty_filter) {
el_offset = filter_elements(el);
} else {
el_offset = el;
}
std::copy(elem_f_val +
el_offset * nb_data_per_element * nb_degree_of_freedom,
elem_f_val +
(el_offset + 1) * nb_data_per_element * nb_degree_of_freedom,
f_val);
f_val += nb_degree_of_freedom * nb_data_per_element;
}
AKANTU_DEBUG_OUT();
}
} // namespace akantu
#endif /* AKANTU_FE_ENGINE_INLINE_IMPL_HH_ */

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