Homec4science
Diffusion akantu (master) Browse

rAKA/src/fem/shape_cohesive.hh
aad3be075688master

Last Change
Raw File

shape_cohesive.hh
View Options

/**
* @file shape_cohesive.hh
* @author Marco Vocialta <marco.vocialta@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Thu Feb 2 15:44:27 2012
*
* @brief
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "aka_vector.hh"
#include "shape_lagrange.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_SHAPE_COHESIVE_HH__
#define __AKANTU_SHAPE_COHESIVE_HH__
__BEGIN_AKANTU__
class CohesiveReduceFunctionMean {
inline Real operator()(Real u_plus, Real u_minus) {
return .5*(u_plus + u_minus);
}
};
class CohesiveReduceFunctionOpening {
inline Real operator()(Real u_plus, Real u_minus) {
return (u_plus - u_minus);
}
};
template <class ShapeFunction>
class ShapeCohesive {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
ShapeCohesive();
virtual ~ShapeCohesive();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// pre compute all shapes on the element control points from natural coordinates
template <ElementType type>
void precomputeShapesOnControlPoints(GhostType ghost_type);
/// pre compute all shapes on the element control points from natural coordinates
template <ElementType type>
void precomputeShapeDerivativesOnControlPoints(GhostType ghost_type);
/// interpolate nodal values on the control points
template <ElementType type, class ReduceFunction>
void interpolateOnControlPoints(const Vector<Real> &u,
Vector<Real> &uq,
UInt nb_degre_of_freedom,
GhostType ghost_type = _not_ghost,
const Vector<UInt> * filter_elements = NULL) const;
/// compute the gradient of u on the control points
template <ElementType type>
void gradientOnControlPoints(const Vector<Real> &u,
Vector<Real> &nablauq,
UInt nb_degre_of_freedom,
GhostType ghost_type = _not_ghost,
const Vector<UInt> * filter_elements = NULL) const;
/// multiply a field by shape functions
template <ElementType type>
void fieldTimesShapes(const Vector<Real> & field,
Vector<Real> & fiedl_times_shapes,
GhostType ghost_type) const;
/// function to print the contain of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// shape
ShapeFunction sub_type_shape_function;
};
typedef ShapeCohesive<ShapeLagrange> ShapeCohesiveLagrange;
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
//#include "shape_cohesive_inline_impl.cc"
/// standard output stream operator
template <class ShapeFunction>
inline std::ostream & operator <<(std::ostream & stream, const ShapeCohesive<ShapeFunction> & _this)
{
_this.printself(stream);
return stream;
}
__END_AKANTU__
#endif /* __AKANTU_SHAPE_COHESIVE_HH__ */
c4science · Help