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rAKA/src/fe_engine/fe_engine_inline_impl.cc
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fe_engine_inline_impl.cc
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/**
* @file fe_engine_inline_impl.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Jul 20 2010
* @date last modification: Fri Jun 13 2014
*
* @brief Implementation of the inline functions of the FEEngine Class
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
inline Real FEEngine::getElementInradius(const Matrix<Real> & coord, const ElementType & type) {
AKANTU_DEBUG_IN();
Real inradius = 0;
#define GET_INRADIUS(type) \
inradius = ElementClass<type>::getInradius(coord); \
AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_INRADIUS);
#undef GET_INRADIUS
AKANTU_DEBUG_OUT();
return inradius;
}
/* -------------------------------------------------------------------------- */
inline InterpolationType FEEngine::getInterpolationType(const ElementType & type) {
AKANTU_DEBUG_IN();
InterpolationType itp_type = _itp_not_defined;
#define GET_ITP(type) \
itp_type = ElementClassProperty<type>::interpolation_type; \
AKANTU_BOOST_ALL_ELEMENT_SWITCH(GET_ITP);
#undef GET_ITP
AKANTU_DEBUG_OUT();
return itp_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(const ElementType & type_facet) {
AKANTU_DEBUG_IN();
ElementType type_cohesive = _not_defined;
if (type_facet == _point_1) type_cohesive = _cohesive_1d_2;
else if (type_facet == _segment_2) type_cohesive = _cohesive_2d_4;
else if (type_facet == _segment_3) type_cohesive = _cohesive_2d_6;
else if (type_facet == _triangle_3) type_cohesive = _cohesive_3d_6;
else if (type_facet == _triangle_6) type_cohesive = _cohesive_3d_12;
AKANTU_DEBUG_OUT();
return type_cohesive;
}
#else
inline ElementType FEEngine::getCohesiveElementType(__attribute__((unused)) const ElementType & type_facet) {
return _not_defined;
}
#endif
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_IGFEM)
__END_AKANTU__
#include "igfem_helper.hh"
__BEGIN_AKANTU__
inline Vector<ElementType> FEEngine::getIGFEMElementTypes(const 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,
const ElementType & type,
const 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.getSize();
}
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,
const ElementType & type,
const 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.getSize() / nb_element;
if(filter_elements != empty_filter) {
nb_element = filter_elements.getSize();
}
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();
}
__END_AKANTU__
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