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rAKA/src/fe_engine/shape_structural.hh
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shape_structural.hh
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/**
* @file shape_structural.hh
*
* @author Fabian Barras <fabian.barras@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Feb 15 2011
* @date last modification: Tue Feb 20 2018
*
* @brief shape class for element with different set of shapes functions
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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_functions.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_SHAPE_STRUCTURAL_HH__
#define __AKANTU_SHAPE_STRUCTURAL_HH__
namespace akantu {
template <ElementKind kind> class ShapeStructural : public ShapeFunctions {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
// Ctors/Dtors should be explicitely implemented for _ek_structural
public:
ShapeStructural(Mesh & mesh, UInt spatial_dimension,
const ID & id = "shape_structural",
const MemoryID & memory_id = 0);
~ShapeStructural() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// function to print the contain of the class
void printself(std::ostream & stream, int indent = 0) const override {
std::string space;
for (Int i = 0; i < indent; i++, space += AKANTU_INDENT)
;
stream << space << "ShapesStructural [" << std::endl;
rotation_matrices.printself(stream, indent + 1);
ShapeFunctions::printself(stream, indent + 1);
stream << space << "]" << std::endl;
}
/// compute shape functions on given integration points
template <ElementType type>
void computeShapesOnIntegrationPoints(
const Array<Real> &, const Matrix<Real> & integration_points,
Array<Real> & shapes, const GhostType & ghost_type,
const Array<UInt> & filter_elements = empty_filter) const;
/// initialization function for structural elements
inline void initShapeFunctions(const Array<Real> & nodes,
const Matrix<Real> & integration_points,
const ElementType & type,
const GhostType & ghost_type);
/// precompute the rotation matrices for the elements dofs
template <ElementType type>
void precomputeRotationMatrices(const Array<Real> & nodes,
const GhostType & ghost_type);
/// pre compute all shapes on the element integration points from natural
/// coordinates
template <ElementType type>
void precomputeShapesOnIntegrationPoints(const Array<Real> & nodes,
const GhostType & ghost_type);
/// pre compute all shapes on the element integration points from natural
/// coordinates
template <ElementType type>
void
precomputeShapeDerivativesOnIntegrationPoints(const Array<Real> & nodes,
const GhostType & ghost_type);
/// interpolate nodal values on the integration points
template <ElementType type>
void interpolateOnIntegrationPoints(
const Array<Real> & u, Array<Real> & uq, UInt nb_degree_of_freedom,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// compute the gradient of u on the integration points
template <ElementType type>
void gradientOnIntegrationPoints(
const Array<Real> & u, Array<Real> & nablauq, UInt nb_degree_of_freedom,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// interpolate on physical point
template <ElementType type>
void interpolate(const Vector<Real> & /*real_coords*/, UInt /*elem*/,
const Matrix<Real> & /*nodal_values*/,
Vector<Real> & /*interpolated*/,
const GhostType & /*ghost_type*/) const {
AKANTU_TO_IMPLEMENT();
}
/// compute the shapes on a provided point
template <ElementType type>
void computeShapes(const Vector<Real> & /*real_coords*/, UInt /*elem*/,
Vector<Real> & /*shapes*/,
const GhostType & /*ghost_type*/) const {
AKANTU_TO_IMPLEMENT();
}
/// compute the shape derivatives on a provided point
template <ElementType type>
void computeShapeDerivatives(const Matrix<Real> & /*real_coords*/,
UInt /*elem*/, Tensor3<Real> & /*shapes*/,
const GhostType & /*ghost_type*/) const {
AKANTU_TO_IMPLEMENT();
}
/// get the rotations vector
inline const Array<Real> &
getRotations(const ElementType & el_type,
__attribute__((unused))
const GhostType & ghost_type = _not_ghost) const {
return rotation_matrices(el_type);
}
/* ------------------------------------------------------------------------ */
template <ElementType type>
void computeBtD(const Array<Real> & /*Ds*/, Array<Real> & /*BtDs*/,
GhostType /*ghost_type*/,
const Array<UInt> & /*filter_elements*/) const {
AKANTU_TO_IMPLEMENT();
}
template <ElementType type>
void computeBtDB(const Array<Real> & /*Ds*/, Array<Real> & /*BtDBs*/,
UInt /*order_d*/, GhostType /*ghost_type*/,
const Array<UInt> & /*filter_elements*/) const {
AKANTU_TO_IMPLEMENT();
}
/// multiply a field by shape functions
template <ElementType type>
void
computeNtb(const Array<Real> & /*bs*/, Array<Real> & /*Ntbs*/,
const GhostType & /*ghost_type*/,
const Array<UInt> & /*filter_elements*/ = empty_filter) const {
AKANTU_TO_IMPLEMENT();
}
protected:
ElementTypeMapArray<Real> rotation_matrices;
};
} // namespace akantu
#include "shape_structural_inline_impl.cc"
#endif /* __AKANTU_SHAPE_STRUCTURAL_HH__ */
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