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shape_linked.hh
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/**
* @file shape_linked.hh
*
* @author Fabian Barras <fabian.barras@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Feb 15 2011
* @date last modification: Thu Oct 22 2015
*
* @brief shape class for element with different set of shapes functions
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 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_LINKED_HH__
#define __AKANTU_SHAPE_LINKED_HH__
__BEGIN_AKANTU__
template <ElementKind kind>
class ShapeLinked : public ShapeFunctions {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
typedef ElementTypeMap<Array<Real> **> ElementTypeMapMultiReal;
ShapeLinked(Mesh & mesh, const ID & id = "shape_linked", const MemoryID & memory_id = 0);
virtual ~ShapeLinked();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// initialization function for structural elements
inline void initShapeFunctions(const Array<Real> & nodes,
const Matrix<Real> & integration_points,
const ElementType & type,
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,
bool accumulate = false,
UInt id_shape = 0,
UInt num_degre_of_freedom_to_interpolate = 0,
UInt num_degre_of_freedom_interpolated = 0) 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,
bool accumulate = false,
UInt id_shape = 0,
UInt num_degre_of_freedom_to_interpolate = 0,
UInt num_degre_of_freedom_interpolated = 0) const;
/// multiply a field by shape functions
template <ElementType type>
void fieldTimesShapes(__attribute__((unused)) const Array<Real> & field,
__attribute__((unused)) Array<Real> & fiedl_times_shapes,
__attribute__((unused)) const GhostType & ghost_type) const {
AKANTU_DEBUG_TO_IMPLEMENT();
}
private:
/// extract the nodal field value to fill an elemental field
template <ElementType type>
void extractNodalToElementField(const Array<Real> & nodal_f,
Array<Real> & elemental_f,
UInt num_degre_of_freedom_to_extract,
const GhostType & ghost_type,
const Array<UInt> & filter_elements) const;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get a the shapes vector
inline const Array<Real> & getShapes(const ElementType & type,
const GhostType & ghost_type,
UInt id = 0) const;
/// get a the shapes derivatives vector
inline const Array<Real> & getShapesDerivatives(const ElementType & type,
const GhostType & ghost_type,
UInt id = 0) const;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// shape functions for all elements
ElementTypeMapMultiReal shapes;
/// shape derivatives for all elements
ElementTypeMapMultiReal shapes_derivatives;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#if defined (AKANTU_INCLUDE_INLINE_IMPL)
# include "shape_linked_inline_impl.cc"
#endif
/// standard output stream operator
// inline std::ostream & operator <<(std::ostream & stream, const ShapeLinked & _this)
// {
// _this.printself(stream);
// return stream;
// }
__END_AKANTU__
#endif /* __AKANTU_SHAPE_LINKED_HH__ */

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