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shape_lagrange_base.cc
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Wed, Jun 19, 08:26

shape_lagrange_base.cc
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/**
* @file shape_lagrange_base.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Aug 09 2017
* @date last modification: Wed Dec 09 2020
*
* @brief common part for the shape lagrange
*
*
* @section LICENSE
*
* Copyright (©) 2016-2021 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 "shape_lagrange_base.hh"
#include "mesh_iterators.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
ShapeLagrangeBase::ShapeLagrangeBase(const Mesh & mesh, Int spatial_dimension,
ElementKind kind, const ID & id)
: ShapeFunctions(mesh, spatial_dimension, id), _kind(kind) {}
/* -------------------------------------------------------------------------- */
ShapeLagrangeBase::~ShapeLagrangeBase() = default;
/* -------------------------------------------------------------------------- */
void ShapeLagrangeBase::computeShapesOnIntegrationPoints(
const Array<Real> & nodes, const Ref<const MatrixXr> integration_points,
Array<Real> & shapes, ElementType type, GhostType ghost_type,
const Array<Idx> & filter_elements) const {
auto && call = [&](auto && enum_type) {
constexpr ElementType type = std ::decay_t<decltype(enum_type)>::value;
this->computeShapesOnIntegrationPoints<type>(
nodes, integration_points, shapes, ghost_type, filter_elements);
};
tuple_dispatch<
tuple::cat_t<ElementTypes_t<_ek_regular>, ElementTypes_t<_ek_cohesive>>>(
call, type);
}
/* -------------------------------------------------------------------------- */
void ShapeLagrangeBase::onElementsAdded(const Array<Element> & new_elements) {
AKANTU_DEBUG_IN();
const auto & nodes = mesh.getNodes();
for (auto elements_range : MeshElementsByTypes(new_elements)) {
auto type = elements_range.getType();
auto ghost_type = elements_range.getGhostType();
if (mesh.getSpatialDimension(type) != _spatial_dimension) {
continue;
}
if (Mesh::getKind(type) != _kind) {
continue;
}
const auto & elements = elements_range.getElements();
auto itp_type = FEEngine::getInterpolationType(type);
if (not shapes.exists(itp_type, ghost_type)) {
auto size_of_shapes = this->getShapeSize(type);
this->shapes.alloc(0, size_of_shapes, itp_type, ghost_type);
}
const auto & natural_coords = integration_points(type, ghost_type);
computeShapesOnIntegrationPoints(nodes, natural_coords,
shapes(itp_type, ghost_type), type,
ghost_type, elements);
if (_spatial_dimension != mesh.getSpatialDimension()) {
continue;
}
if (not this->shapes_derivatives.exists(itp_type, ghost_type)) {
auto size_of_shapesd = this->getShapeDerivativesSize(type);
this->shapes_derivatives.alloc(0, size_of_shapesd, itp_type, ghost_type);
}
computeShapeDerivativesOnIntegrationPoints(
nodes, natural_coords, shapes_derivatives(itp_type, ghost_type), type,
ghost_type, elements);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void ShapeLagrangeBase::onElementsRemoved(
const Array<Element> &, const ElementTypeMapArray<Idx> & new_numbering) {
this->shapes.onElementsRemoved(new_numbering);
this->shapes_derivatives.onElementsRemoved(new_numbering);
}
/* -------------------------------------------------------------------------- */
void ShapeLagrangeBase::printself(std::ostream & stream, int indent) const {
std::string space(indent, 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

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