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rAKA/src/fe_engine/fe_engine_template.hh
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/**
* @file fe_engine_template.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Tue Feb 15 2011
* @date last modification: Mon Jul 07 2014
*
* @brief templated class that calls integration and shape objects
*
* @section LICENSE
*
* Copyright (©) 2014 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/>.
*
*/
#ifndef __AKANTU_FE_ENGINE_TEMPLATE_HH__
#define __AKANTU_FE_ENGINE_TEMPLATE_HH__
/* -------------------------------------------------------------------------- */
#include "fe_engine.hh"
#include "integrator.hh"
#include "shape_functions.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
template<ElementKind k> class AssembleLumpedTemplateHelper;
template<ElementKind k> class AssembleFieldMatrixHelper;
/* -------------------------------------------------------------------------- */
template<template <ElementKind> class I,
template <ElementKind> class S,
ElementKind kind = _ek_regular>
class FEEngineTemplate : public FEEngine {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
typedef I<kind> Integ;
typedef S<kind> Shape;
FEEngineTemplate(Mesh & mesh, UInt spatial_dimension = _all_dimensions,
ID id = "fem", MemoryID memory_id = 0);
virtual ~FEEngineTemplate();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// pre-compute all the shape functions, their derivatives and the jacobians
void initShapeFunctions(const GhostType & ghost_type = _not_ghost);
void initShapeFunctions(const Array<Real> & nodes,
const GhostType & ghost_type = _not_ghost);
/* ------------------------------------------------------------------------ */
/* Integration method bridges */
/* ------------------------------------------------------------------------ */
/// integrate f for all elements of type "type"
void integrate(const Array<Real> & f,
Array<Real> &intf,
UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// integrate a scalar value on all elements of type "type"
Real integrate(const Array<Real> & f,
const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// integrate one element scalar value on all elements of type "type"
virtual Real integrate(const Vector<Real> & f,
const ElementType & type,
UInt index, const GhostType & ghost_type = _not_ghost) const;
/// integrate partially around a quadrature point (@f$ intf_q = f_q * J_q * w_q @f$)
void integrateOnQuadraturePoints(const Array<Real> & f,
Array<Real> &intf,
UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// interpolate on a phyiscal point inside an element
void interpolate(const Vector<Real> & real_coords,
const Matrix<Real> & nodal_values,
Vector<Real> & interpolated,
const Element & element) const;
/// get the number of quadrature points
UInt getNbQuadraturePoints(const ElementType & type,
const GhostType & ghost_type = _not_ghost) const;
/// get shapes precomputed
const Array<Real> & getShapes(const ElementType & type,
const GhostType & ghost_type = _not_ghost,
UInt id=0) const;
/// get the derivatives of shapes
const Array<Real> & getShapesDerivatives(const ElementType & type,
const GhostType & ghost_type = _not_ghost,
UInt id=0) const;
/// get quadrature points
const inline Matrix<Real> & getQuadraturePoints(const ElementType & type,
const GhostType & ghost_type = _not_ghost) const;
/* ------------------------------------------------------------------------ */
/* Shape method bridges */
/* ------------------------------------------------------------------------ */
/// compute the gradient of a nodal field on the quadrature points
void gradientOnQuadraturePoints(const Array<Real> &u,
Array<Real> &nablauq,
const UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// interpolate a nodal field on the quadrature points
void interpolateOnQuadraturePoints(const Array<Real> &u,
Array<Real> &uq,
UInt nb_degree_of_freedom,
const ElementType & type,
const GhostType & ghost_type = _not_ghost,
const Array<UInt> & filter_elements = empty_filter) const;
/// interpolate a nodal field on the quadrature points given a by_element_type
void interpolateOnQuadraturePoints(const Array<Real> & u,
ElementTypeMapArray<Real> & uq,
const ElementTypeMapArray<UInt> * filter_elements = NULL) const;
/// find natural coords from real coords provided an element
void inverseMap(const Vector<Real> & real_coords,
UInt element,
const ElementType & type,
Vector<Real> & natural_coords,
const GhostType & ghost_type = _not_ghost) const;
/// return true if the coordinates provided are inside the element, false otherwise
inline bool contains(const Vector<Real> & real_coords,
UInt element,
const ElementType & type,
const GhostType & ghost_type = _not_ghost) const;
/// compute the shape on a provided point
inline void computeShapes(const Vector<Real> & real_coords,
UInt element,
const ElementType & type,
Vector<Real> & shapes,
const GhostType & ghost_type = _not_ghost) const;
/// compute the shape derivatives on a provided point
inline void computeShapeDerivatives(const Vector<Real> & real__coords,
UInt element,
const ElementType & type,
Matrix<Real> & shape_derivatives,
const GhostType & ghost_type = _not_ghost) const;
/* ------------------------------------------------------------------------ */
/* Other methods */
/* ------------------------------------------------------------------------ */
/// pre-compute normals on control points
void computeNormalsOnControlPoints(const GhostType & ghost_type = _not_ghost);
void computeNormalsOnControlPoints(const Array<Real> & field,
const GhostType & ghost_type = _not_ghost);
void computeNormalsOnControlPoints(const Array<Real> & field,
Array<Real> & normal,
const ElementType & type,
const GhostType & ghost_type = _not_ghost) const;
template<ElementType type>
void computeNormalsOnControlPoints(const Array<Real> & field,
Array<Real> & normal,
const GhostType & ghost_type) const;
/// function to print the contain of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
void assembleFieldLumped(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
Array<Real> & lumped,
const Array<Int> & equation_number,
ElementType type,
const GhostType & ghost_type = _not_ghost) const;
void assembleFieldMatrix(const Array<Real> & field,
UInt nb_degree_of_freedom,
SparseMatrix & matrix,
ElementType type,
const GhostType & ghost_type = _not_ghost) const;
#ifdef AKANTU_STRUCTURAL_MECHANICS
void assembleFieldMatrix(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
SparseMatrix & M,
Array<Real> * n,
ElementTypeMapArray<Real> & rotation_mat,
const ElementType & type,
const GhostType & ghost_type = _not_ghost) const;
void computeShapesMatrix(const ElementType & type,
UInt nb_degree_of_freedom,
UInt nb_nodes_per_element,
Array<Real> * n,
UInt id,
UInt degree_to_interpolate,
UInt degree_interpolated,
const bool sign,
const GhostType & ghost_type = _not_ghost) const;
#endif
private:
friend class AssembleLumpedTemplateHelper<kind>;
friend class AssembleFieldMatrixHelper<kind>;
template <ElementType type>
void assembleLumpedTemplate(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
Array<Real> & lumped,
const Array<Int> & equation_number,
const GhostType & ghost_type) const;
/// @f$ \tilde{M}_{i} = \sum_j M_{ij} = \sum_j \int \rho \varphi_i \varphi_j dV = \int \rho \varphi_i dV @f$
template <ElementType type>
void assembleLumpedRowSum(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
Array<Real> & lumped,
const Array<Int> & equation_number,
const GhostType & ghost_type) const;
/// @f$ \tilde{M}_{i} = c * M_{ii} = \int_{V_e} \rho dV @f$
template <ElementType type>
void assembleLumpedDiagonalScaling(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
Array<Real> & lumped,
const Array<Int> & equation_number,
const GhostType & ghost_type) const;
template <ElementType type>
void assembleFieldMatrix(const Array<Real> & field,
UInt nb_degree_of_freedom,
SparseMatrix & matrix,
const GhostType & ghost_type) const;
#ifdef AKANTU_STRUCTURAL_MECHANICS
template <ElementType type>
void assembleFieldMatrix(const Array<Real> & field_1,
UInt nb_degree_of_freedom,
SparseMatrix & M,
Array<Real> * n,
ElementTypeMapArray<Real> & rotation_mat,
const GhostType & ghost_type) const;
#endif
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
const ShapeFunctions & getShapeFunctionsInterface() const { return shape_functions; };
const Shape & getShapeFunctions() const { return shape_functions; };
const Integrator & getIntegratorInterface() const { return integrator; };
const Integ & getIntegrator() const { return integrator; };
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
Integ integrator;
Shape shape_functions;
};
__END_AKANTU__
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "fe_engine_template_tmpl.hh"
/* -------------------------------------------------------------------------- */
/* Shape Linked specialization */
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_STRUCTURAL_MECHANICS)
# include "fe_engine_template_tmpl_struct.hh"
#endif
/* -------------------------------------------------------------------------- */
/* Shape IGFEM specialization */
/* -------------------------------------------------------------------------- */
#if defined(AKANTU_IGFEM)
# include "fe_engine_template_tmpl_igfem.hh"
#endif
#endif /* __AKANTU_FE_ENGINE_TEMPLATE_HH__ */
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