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rAKA/src/model/solid_mechanics/materials/material_non_local.hh
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material_non_local.hh
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/**
* @file material_non_local.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Aug 31 2011
* @date last modification: Thu Jun 05 2014
*
* @brief Material class that handle the non locality of a law for example damage.
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "material.hh"
#include "aka_grid_dynamic.hh"
#include "fe_engine.hh"
#include "base_weight_function.hh"
namespace akantu {
class GridSynchronizer;
}
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_NON_LOCAL_HH__
#define __AKANTU_MATERIAL_NON_LOCAL_HH__
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
template<UInt dim, class WeightFunction = BaseWeightFunction>
class MaterialNonLocal : public virtual Material {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialNonLocal(SolidMechanicsModel & model, const ID & id = "");
virtual ~MaterialNonLocal();
typedef std::vector< std::pair<QuadraturePoint, QuadraturePoint> > PairList;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// initialize the material computed parameter
virtual void initMaterial();
virtual void updateResidual(GhostType ghost_type);
virtual void computeAllNonLocalStresses(GhostType ghost_type = _not_ghost);
void savePairs(const std::string & filename) const;
void neighbourhoodStatistics(const std::string & filename) const;
protected:
void updatePairList(const ElementTypeMapArray<Real> & quadrature_points_coordinates);
void computeWeights(const ElementTypeMapArray<Real> & quadrature_points_coordinates);
void createCellList(ElementTypeMapArray<Real> & quadrature_points_coordinates);
void cleanupExtraGhostElement(const ElementTypeMap<UInt> & nb_ghost_protected);
void fillCellList(const ElementTypeMapArray<Real> & quadrature_points_coordinates,
const GhostType & ghost_type);
/// constitutive law
virtual void computeNonLocalStresses(GhostType ghost_type = _not_ghost) = 0;
template<typename T>
void weightedAvergageOnNeighbours(const InternalField<T> & to_accumulate,
InternalField<T> & accumulated,
UInt nb_degree_of_freedom,
GhostType ghost_type2 = _not_ghost) const;
virtual inline UInt getNbDataForElements(const Array<Element> & elements,
SynchronizationTag tag) const;
virtual inline void packElementData(CommunicationBuffer & buffer,
const Array<Element> & elements,
SynchronizationTag tag) const;
virtual inline void unpackElementData(CommunicationBuffer & buffer,
const Array<Element> & elements,
SynchronizationTag tag);
virtual inline void onElementsAdded(const Array<Element> & element_list);
virtual inline void onElementsRemoved(const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
void registerNonLocalVariable(InternalField<Real> & local,
InternalField<Real> & non_local,
UInt nb_degree_of_freedom) {
ID id = local.getID();
NonLocalVariable & non_local_variable = non_local_variables[id];
non_local_variable.local = &local;
non_local_variable.non_local = &non_local;
non_local_variable.nb_component = nb_degree_of_freedom;
}
AKANTU_GET_MACRO(PairList, pair_list, const PairList &)
Real getRadius() const { return weight_func->getRadius(); }
AKANTU_GET_MACRO(CellList, *spatial_grid, const SpatialGrid<QuadraturePoint> &)
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// the weight function used
WeightFunction * weight_func;
private:
/**
* the pairs of quadrature points
* 0: not ghost to not ghost
* 1: not ghost to ghost
*/
PairList pair_list[2];
/// the weights associated to the pairs
Array<Real> * pair_weight[2];
/// the regular grid to construct/update the pair lists
SpatialGrid<QuadraturePoint> * spatial_grid;
/// the types of the existing pairs
typedef std::set< std::pair<ElementType, ElementType> > pair_type;
pair_type existing_pairs[2];
/// count the number of calls of computeStress
UInt compute_stress_calls;
struct NonLocalVariable {
InternalField<Real> * local;
InternalField<Real> * non_local;
UInt nb_component;
};
std::map<ID, NonLocalVariable> non_local_variables;
bool is_creating_grid;
GridSynchronizer * grid_synchronizer;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material_non_local_inline_impl.cc"
__END_AKANTU__
#endif /* __AKANTU_MATERIAL_NON_LOCAL_HH__ */
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