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rAKA/extra_packages/igfem/src/shape_igfem.cc
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shape_igfem.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 "mesh.hh"
#include "shape_igfem.hh"
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_IGFEM)
namespace akantu {
/* -------------------------------------------------------------------------- */
ShapeLagrange<_ek_igfem>::ShapeLagrange(const Mesh & mesh, const ID & id)
: ShapeFunctions(mesh, id), shapes("shapes_generic", id),
shapes_derivatives("shapes_derivatives_generic", id),
igfem_integration_points("igfem_integration_points", id),
shapes_at_enrichments("shapes_at_enrichments", id) {
AKANTU_DEBUG_IN();
AKANTU_DEBUG_OUT();
}
/*-------------------------------------------------------------------------- */
void ShapeLagrange<_ek_igfem>::extractValuesAtStandardNodes(
const Array<Real> & nodal_values, Array<Real> & extracted_values,
GhostType ghost_type) const {
AKANTU_DEBUG_ASSERT(nodal_values.getNbComponent() ==
extracted_values.getNbComponent(),
"The arrays are not of the same size!!!!!");
extracted_values.zero();
Int spatial_dimension = mesh.getSpatialDimension();
Mesh::type_iterator it =
mesh.firstType(spatial_dimension, ghost_type, _ek_igfem);
Mesh::type_iterator end =
mesh.lastType(spatial_dimension, ghost_type, _ek_igfem);
for (; it != end; ++it) {
ElementType type = *it;
UInt nb_elements = mesh.getNbElement(type, ghost_type);
UInt nb_parent_nodes = 0;
UInt nb_nodes_per_element = 0;
#define GET_NODES_INFO(type) \
const ElementType parent_type = \
ElementClassProperty<type>::parent_element_type; \
nb_parent_nodes = \
ElementClass<parent_type>::getNbNodesPerInterpolationElement(); \
nb_nodes_per_element = \
ElementClass<type>::getNbNodesPerInterpolationElement();
AKANTU_BOOST_IGFEM_ELEMENT_SWITCH(GET_NODES_INFO);
#undef GET_NODES_INFO
UInt * conn_val = mesh.getConnectivity(type, ghost_type).data();
for (Int e = 0; e < nb_elements; ++e) {
/// copy the value at standard nodes
UInt offset = e * nb_nodes_per_element;
for (Int n = 0; n < nb_parent_nodes; ++n) {
UInt node = conn_val[offset + n];
for (Int i = 0; i < nodal_values.getNbComponent(); ++i)
extracted_values(node, i) = nodal_values(node, i);
}
}
}
}
/* -------------------------------------------------------------------------- */
void ShapeLagrange<_ek_igfem>::printself(std::ostream & stream,
int indent) const {
std::string space;
for (Int i = 0; i < indent; i++, space += AKANTU_INDENT)
;
stream << space << "Shapes Lagrange [" << std::endl;
ShapeFunctions::printself(stream, indent + 1);
shapes.printself(stream, indent + 1);
shapes_derivatives.printself(stream, indent + 1);
stream << space << "]" << std::endl;
}
} // namespace akantu
#endif
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