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non_local_manager.hh
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/**
* @file non_local_manager.hh
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @date Mon Sep 21 14:21:33 2015
*
* @brief Classes that manages all the non-local neighborhoods
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_NON_LOCAL_MANAGER_HH__
#define __AKANTU_NON_LOCAL_MANAGER_HH__
/* -------------------------------------------------------------------------- */
#include "aka_memory.hh"
#include "solid_mechanics_model.hh"
#include "non_local_neighborhood_base.hh"
#include "parsable.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
class NonLocalManager : public Memory,
public Parsable,
public MeshEventHandler {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
NonLocalManager(SolidMechanicsModel & model,
const ID & id = "non_local_manager",
const MemoryID & memory_id = 0);
virtual ~NonLocalManager();
typedef std::map<ID, NonLocalNeighborhoodBase *> NeighborhoodMap;
typedef std::pair<ID, ID> KeyCOO;
/* -------------------------------------------------------------------------- */
/* Methods */
/* -------------------------------------------------------------------------- */
public:
/// initialize the non-local manager: compute pair lists and weights for all neighborhoods
virtual void init();
/// insert new quadrature point in the grid
inline void insertQuad(const IntegrationPoint & quad, const Vector<Real> & coords, const ID & neighborhood);
/// register non-local neighborhood
inline void registerNeighborhood(const ID & neighborhood, const ID & weight_func_id);
/// associate a non-local variable to a neighborhood
void nonLocalVariableToNeighborhood(const ID & id, const ID & neighborhood);
/// return the fem object associated with a provided name
inline NonLocalNeighborhoodBase & getNeighborhood(const ID & name) const;
/// create the grid synchronizers for each neighborhood
void createNeighborhoodSynchronizers();
/// compute the weights in each neighborhood for non-local averaging
inline void computeWeights();
/// compute the weights in each neighborhood for non-local averaging
inline void updatePairLists();
/// register a new non-local material
inline void registerNonLocalMaterial(Material & new_mat);
/// register a non-local variable
inline void registerNonLocalVariable(const ID & variable_name, const ID & nl_variable_name, UInt nb_component);
/// average the non-local variables
void averageInternals(const GhostType & ghost_type = _not_ghost);
/// average the internals and compute the non-local stresses
virtual void computeAllNonLocalStresses();
/// register a new internal needed for the weight computations
inline ElementTypeMapReal & registerWeightFunctionInternal(const ID & field_name);
/// update the flattened version of the weight function internals
inline void updateWeightFunctionInternals();
/// get Nb data for synchronization in parallel
inline UInt getNbDataForElements(const Array<Element> & elements, const ID & id) const;
/// pack data for synchronization in parallel
inline void packElementData(CommunicationBuffer & buffer, const Array<Element> & elements,
SynchronizationTag tag, const ID & id) const;
/// unpack data for synchronization in parallel
inline void unpackElementData(CommunicationBuffer & buffer, const Array<Element> & elements,
SynchronizationTag tag, const ID & id) const;
/* -------------------------------------------------------------------------- */
/* MeshEventHandler inherited members */
/* -------------------------------------------------------------------------- */
virtual void onElementsRemoved(const Array<Element> & element_list,
const ElementTypeMapArray<UInt> & new_numbering,
const RemovedElementsEvent & event);
virtual void onElementsAdded(const Array<Element> & element_list,
const NewElementsEvent & event);
virtual void onNodesAdded (const Array<UInt> & nodes_list,
const NewNodesEvent & event) {};
virtual void onNodesRemoved(const Array<UInt> & nodes_list,
const Array<UInt> & new_numbering,
const RemovedNodesEvent & event) {};
protected:
/// create a new neighborhood for a given domain ID
void createNeighborhood(const ID & weight_func, const ID & neighborhood);
/// flatten the material internal fields needed for the non-local computations
void flattenInternal(ElementTypeMapReal & internal_flat,
const GhostType & ghost_type,
const ElementKind & kind);
/// set the values of the jacobians
void setJacobians(const FEEngine & fe_engine, const ElementKind & kind);
/// allocation of eelment type maps
void initElementTypeMap(UInt nb_component, ElementTypeMapReal & element_map,
const FEEngine & fe_engine, const ElementKind el_kind = _ek_regular);
/// resizing of element type maps
void resizeElementTypeMap(UInt nb_component, ElementTypeMapReal & element_map,
const ElementKind el_kind = _ek_regular);
/// remove integration points from element type maps
void removeIntegrationPointsFromMap(const ElementTypeMapArray<UInt> & new_numbering, UInt nb_component,
ElementTypeMapReal & element_map, const FEEngine & fee,
const ElementKind el_kind = _ek_regular);
/// allocate the non-local variables
void initNonLocalVariables();
/// copy the results of the averaging in the materials
void distributeInternals(ElementKind kind);
/// cleanup unneccessary ghosts
void cleanupExtraGhostElements(ElementTypeMap<UInt> & nb_ghost_protected);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);
AKANTU_GET_MACRO(Model, model, const SolidMechanicsModel &);
AKANTU_GET_MACRO_NOT_CONST(Volumes, volumes, ElementTypeMapReal &)
AKANTU_GET_MACRO(NbStressCalls, compute_stress_calls, UInt);
inline const Array<Real> & getJacobians(const ElementType & type, const GhostType & ghost_type) {
return *jacobians(type, ghost_type);
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// the non-local neighborhoods present
NeighborhoodMap neighborhoods;
/// list of all the non-local materials in the model
std::vector<Material * > non_local_materials;
struct NonLocalVariable {
NonLocalVariable(const ID & variable_name, const ID & nl_variable_name, const ID & id, UInt nb_component) :
local(variable_name, id),
non_local(nl_variable_name, id),
nb_component(nb_component){
}
ElementTypeMapReal local;
ElementTypeMapReal non_local;
UInt nb_component;
};
/// the non-local variables associated to a certain neighborhood
std::map<ID, NonLocalVariable *> non_local_variables;
/// reference to the model
SolidMechanicsModel & model;
/// jacobians for all the elements in the mesh
ElementTypeMap<const Array<Real> * > jacobians;
/// store the position of the quadrature points
ElementTypeMapReal quad_positions;
/// store the volume of each quadrature point for the non-local weight normalization
ElementTypeMapReal volumes;
/// the spatial dimension
const UInt spatial_dimension;
/// counter for computeStress calls
UInt compute_stress_calls;
/// map to store weight function types from input file
std::map<ID, ParserSection> weight_function_types;
/// map to store the internals needed by the weight functions
std::map<ID, ElementTypeMapReal *> weight_function_internals;
/* -------------------------------------------------------------------------- */
/// the following are members needed to make this processor participate in the grid creation of neighborhoods he doesn't own as a member. For details see createGridSynchronizers function
/// synchronizer registry for dummy grid synchronizers
SynchronizerRegistry * dummy_registry;
/// map of dummy synchronizers
std::map<ID, GridSynchronizer *> dummy_synchronizers;
/// dummy spatial grid
SpatialGrid<IntegrationPoint> * dummy_grid;
/// create a set of all neighborhoods present in the simulation
std::set<ID> global_neighborhoods;
class DummyDataAccessor : public DataAccessor {
public:
virtual inline UInt getNbDataForElements(){return 0;};
virtual inline void packElementData(){};
virtual inline void unpackElementData(){};
};
DummyDataAccessor dummy_accessor;
};
__END_AKANTU__
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "non_local_manager_inline_impl.cc"
#endif /* __AKANTU_NON_LOCAL_MANAGER_HH__ */
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