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rAKA/extra_packages/igfem/src/fe_engine_template_tmpl_igfem.hh
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fe_engine_template_tmpl_igfem.hh
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/**
* @file shape_igfem_inline_impl.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
*
* @brief ShapeIGFEM inline implementation
*
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#include "integrator_gauss_igfem.hh"
#include "shape_igfem.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_FE_ENGINE_TEMPLATE_TMPL_IGFEM_HH_
#define AKANTU_FE_ENGINE_TEMPLATE_TMPL_IGFEM_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
/* compatibility functions */
/* -------------------------------------------------------------------------- */
template <>
inline void FEEngineTemplate<IntegratorGauss, ShapeLagrange, _ek_igfem,
DefaultIntegrationOrderFunctor>::
initShapeFunctions(const Array<Real> & nodes,
GhostType ghost_type) {
AKANTU_DEBUG_IN();
Mesh::type_iterator it =
mesh.firstType(element_dimension, ghost_type, _ek_igfem);
Mesh::type_iterator end =
mesh.lastType(element_dimension, ghost_type, _ek_igfem);
for (; it != end; ++it) {
ElementType type = *it;
integrator.initIntegrator(nodes, type, ghost_type);
#define INIT(_type) \
do { \
const Matrix<Real> & all_quads = \
integrator.getIntegrationPoints<_type>(ghost_type); \
const Matrix<Real> & quads_1 = integrator.getIntegrationPoints< \
ElementClassProperty<_type>::sub_element_type_1>(ghost_type); \
const Matrix<Real> & quads_2 = integrator.getIntegrationPoints< \
ElementClassProperty<_type>::sub_element_type_2>(ghost_type); \
shape_functions.initShapeFunctions(nodes, all_quads, quads_1, quads_2, \
_type, ghost_type); \
} while (0)
AKANTU_BOOST_IGFEM_ELEMENT_SWITCH(INIT);
#undef INIT
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template <>
inline void FEEngineTemplate<IntegratorGauss, ShapeLagrange, _ek_igfem,
DefaultIntegrationOrderFunctor>::
computeIntegrationPointsCoordinates(
Array<Real> & quadrature_points_coordinates, ElementType type,
GhostType ghost_type,
const Array<UInt> & filter_elements) const {
const Array<Real> & nodes_coordinates = mesh.getNodes();
UInt spatial_dimension = mesh.getSpatialDimension();
/// create an array with the nodal coordinates that need to be
/// interpolated. The nodal coordinates of the enriched nodes need
/// to be set to zero, because they represent the enrichment of the
/// position field, and the enrichments for this field are all zero!
/// There is no gap in the mesh!
Array<Real> igfem_nodes(nodes_coordinates.getSize(), spatial_dimension);
shape_functions.extractValuesAtStandardNodes(nodes_coordinates, igfem_nodes,
ghost_type);
interpolateOnIntegrationPoints(igfem_nodes, quadrature_points_coordinates,
spatial_dimension, type, ghost_type,
filter_elements);
}
/* -------------------------------------------------------------------------- */
template <>
inline void FEEngineTemplate<IntegratorGauss, ShapeLagrange, _ek_igfem,
DefaultIntegrationOrderFunctor>::
computeIntegrationPointsCoordinates(
ElementTypeMapArray<Real> & quadrature_points_coordinates,
const ElementTypeMapArray<UInt> * filter_elements) const {
const Array<Real> & nodes_coordinates = mesh.getNodes();
UInt spatial_dimension = mesh.getSpatialDimension();
/// create an array with the nodal coordinates that need to be
/// interpolated. The nodal coordinates of the enriched nodes need
/// to be set to zero, because they represent the enrichment of the
/// position field, and the enrichments for this field are all zero!
/// There is no gap in the mesh!
Array<Real> igfem_nodes(nodes_coordinates.getSize(), spatial_dimension);
for (ghost_type_t::iterator gt = ghost_type_t::begin();
gt != ghost_type_t::end(); ++gt) {
GhostType ghost_type = *gt;
shape_functions.extractValuesAtStandardNodes(nodes_coordinates, igfem_nodes,
ghost_type);
}
interpolateOnIntegrationPoints(igfem_nodes, quadrature_points_coordinates,
filter_elements);
}
} // namespace akantu
#endif /* AKANTU_FE_ENGINE_TEMPLATE_TMPL_IGFEM_HH_ */
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