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/**
* @file mesh.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Dana Christen <dana.christen@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Fri Sep 05 2014
*
* @brief the class representing the meshes
*
* @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_MESH_HH__
#define __AKANTU_MESH_HH__
/* -------------------------------------------------------------------------- */
#include "aka_config.hh"
#include "aka_common.hh"
#include "aka_memory.hh"
#include "aka_array.hh"
#include "element_class.hh"
#include "element_type_map.hh"
#include "aka_event_handler_manager.hh"
#include "group_manager.hh"
#include "element.hh"
/* -------------------------------------------------------------------------- */
#include <set>
/* -------------------------------------------------------------------------- */
#include "mesh_data.hh"
#include "dumpable.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
/* Mesh modifications events */
/* -------------------------------------------------------------------------- */
template<class Entity>
class MeshEvent {
public:
virtual ~MeshEvent() {}
const Array<Entity> & getList() const { return list; }
Array<Entity> & getList() { return list; }
protected:
Array<Entity> list;
};
class Mesh;
class NewNodesEvent : public MeshEvent<UInt> {
public:
virtual ~NewNodesEvent() {};
};
class RemovedNodesEvent : public MeshEvent<UInt> {
public:
virtual ~RemovedNodesEvent() {};
inline RemovedNodesEvent(const Mesh & mesh);
AKANTU_GET_MACRO_NOT_CONST(NewNumbering, new_numbering, Array<UInt> &);
AKANTU_GET_MACRO(NewNumbering, new_numbering, const Array<UInt> &);
private:
Array<UInt> new_numbering;
};
class NewElementsEvent : public MeshEvent<Element> {
public:
virtual ~NewElementsEvent() {};
};
class RemovedElementsEvent : public MeshEvent<Element> {
public:
virtual ~RemovedElementsEvent() {};
inline RemovedElementsEvent(const Mesh & mesh);
AKANTU_GET_MACRO(NewNumbering, new_numbering, const ElementTypeMapArray<UInt> &);
AKANTU_GET_MACRO_NOT_CONST(NewNumbering, new_numbering, ElementTypeMapArray<UInt> &);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(NewNumbering, new_numbering, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(NewNumbering, new_numbering, UInt);
protected:
ElementTypeMapArray<UInt> new_numbering;
};
/* -------------------------------------------------------------------------- */
class MeshEventHandler {
public:
virtual ~MeshEventHandler() {};
/* ------------------------------------------------------------------------ */
/* Internal code */
/* ------------------------------------------------------------------------ */
private:
inline void sendEvent(const NewNodesEvent & event) { onNodesAdded (event.getList(),
event); }
inline void sendEvent(const RemovedNodesEvent & event) { onNodesRemoved(event.getList(),
event.getNewNumbering(),
event); }
inline void sendEvent(const NewElementsEvent & event) { onElementsAdded (event.getList(),
event); }
inline void sendEvent(const RemovedElementsEvent & event) { onElementsRemoved(event.getList(),
event.getNewNumbering(),
event); }
template<class EventHandler>
friend class EventHandlerManager;
/* ------------------------------------------------------------------------ */
/* Interface */
/* ------------------------------------------------------------------------ */
public:
virtual void onNodesAdded (__attribute__((unused)) const Array<UInt> & nodes_list,
__attribute__((unused)) const NewNodesEvent & event) { }
virtual void onNodesRemoved(__attribute__((unused)) const Array<UInt> & nodes_list,
__attribute__((unused)) const Array<UInt> & new_numbering,
__attribute__((unused)) const RemovedNodesEvent & event) { }
virtual void onElementsAdded (__attribute__((unused)) const Array<Element> & elements_list,
__attribute__((unused)) const NewElementsEvent & event) { }
virtual void onElementsRemoved(__attribute__((unused)) const Array<Element> & elements_list,
__attribute__((unused)) const ElementTypeMapArray<UInt> & new_numbering,
__attribute__((unused)) const RemovedElementsEvent & event) { }
};
/* -------------------------------------------------------------------------- */
/* Mesh */
/* -------------------------------------------------------------------------- */
/**
* @class Mesh this contain the coordinates of the nodes in the Mesh.nodes
* Array, and the connectivity. The connectivity are stored in by element
* types.
*
* To know all the element types present in a mesh you can get the
* Mesh::ConnectivityTypeList
*
* In order to loop on all element you have to loop on all types like this :
* @code{.cpp}
Mesh::type_iterator it = mesh.firstType(dim, ghost_type);
Mesh::type_iterator end = mesh.lastType(dim, ghost_type);
for(; it != end; ++it) {
UInt nb_element = mesh.getNbElement(*it);
const Array<UInt> & conn = mesh.getConnectivity(*it);
for(UInt e = 0; e < nb_element; ++e) {
...
}
}
@endcode
*/
class Mesh : protected Memory,
public EventHandlerManager<MeshEventHandler>,
public GroupManager,
public Dumpable {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
/// constructor that create nodes coordinates array
Mesh(UInt spatial_dimension,
const ID & id = "mesh",
const MemoryID & memory_id = 0);
/// constructor that use an existing nodes coordinates array, by knowing its ID
Mesh(UInt spatial_dimension,
const ID & nodes_id,
const ID & id,
const MemoryID & memory_id = 0);
/**
* constructor that use an existing nodes coordinates
* array, by getting the vector of coordinates
*/
Mesh(UInt spatial_dimension,
Array<Real> & nodes,
const ID & id = "mesh",
const MemoryID & memory_id = 0);
virtual ~Mesh();
/// @typedef ConnectivityTypeList list of the types present in a Mesh
typedef std::set<ElementType> ConnectivityTypeList;
/// read the mesh from a file
void read (const std::string & filename, const MeshIOType & mesh_io_type = _miot_auto);
/// write the mesh to a file
void write(const std::string & filename, const MeshIOType & mesh_io_type = _miot_auto);
private:
/// initialize the connectivity to NULL and other stuff
void init();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// function to print the containt of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
/// function that computes the bounding box (fills xmin, xmax)
void computeBoundingBox();
#ifdef AKANTU_CORE_CXX11
/// translate the mesh by the given amount in x[, y[, z]] directions
template <typename... Args> void translate(Args... params);
#endif
/// init a by-element-type real vector with provided ids
template<typename T>
void initElementTypeMapArray(ElementTypeMapArray<T> & v,
UInt nb_component,
UInt spatial_dimension,
const bool & flag_nb_node_per_elem_multiply = false,
ElementKind element_kind = _ek_regular,
bool size_to_nb_element = false) const; /// @todo: think about nicer way to do it
template<typename T>
void initElementTypeMapArray(ElementTypeMapArray<T> & v,
UInt nb_component,
UInt spatial_dimension,
GhostType ghost_type,
const bool & flag_nb_node_per_elem_multiply = false,
ElementKind element_kind = _ek_regular,
bool size_to_nb_element = false) const; /// @todo: think about nicer way to do it
/// extract coordinates of nodes from an element
template<typename T>
inline void extractNodalValuesFromElement(const Array<T> & nodal_values,
T * elemental_values,
UInt * connectivity,
UInt n_nodes,
UInt nb_degree_of_freedom) const;
/// extract coordinates of nodes from a reversed element
inline void extractNodalCoordinatesFromPBCElement(Real * local_coords,
UInt * connectivity,
UInt n_nodes);
/// convert a element to a linearized element
inline UInt elementToLinearized(const Element & elem) const;
/// convert a linearized element to an element
inline Element linearizedToElement (UInt linearized_element) const;
/// update the types offsets array for the conversions
inline void updateTypesOffsets(const GhostType & ghost_type);
/// add a Array of connectivity for the type <type>.
inline void addConnectivityType(const ElementType & type,
const GhostType & ghost_type = _not_ghost);
/* ------------------------------------------------------------------------ */
template <class Event>
inline void sendEvent(Event & event) {
// if(event.getList().getSize() != 0)
EventHandlerManager<MeshEventHandler>::sendEvent<Event>(event);
}
/* ------------------------------------------------------------------------ */
template<typename T>
inline void removeNodesFromArray(Array<T> & vect, const Array<UInt> & new_numbering);
/// initialize normals
void initNormals();
/// init facets' mesh
Mesh & initMeshFacets(const ID & id = "mesh_facets");
/// define parent mesh
void defineMeshParent(const Mesh & mesh);
/// get global connectivity array
void getGlobalConnectivity(ElementTypeMapArray<UInt> & global_connectivity,
UInt dimension,
GhostType ghost_type);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get the id of the mesh
AKANTU_GET_MACRO(ID, Memory::id, const ID &);
/// get the spatial dimension of the mesh = number of component of the coordinates
AKANTU_GET_MACRO(SpatialDimension, spatial_dimension, UInt);
/// get the nodes Array aka coordinates
AKANTU_GET_MACRO(Nodes, *nodes, const Array<Real> &);
AKANTU_GET_MACRO_NOT_CONST(Nodes, *nodes, Array<Real> &);
/// get the normals for the elements
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Normals, normals, Real);
/// get the number of nodes
AKANTU_GET_MACRO(NbNodes, nodes->getSize(), UInt);
/// get the Array of global ids of the nodes (only used in parallel)
AKANTU_GET_MACRO(GlobalNodesIds, *nodes_global_ids, const Array<UInt> &);
/// get the global id of a node
inline UInt getNodeGlobalId(UInt local_id) const;
/// get the global number of nodes
inline UInt getNbGlobalNodes() const;
/// get the nodes type Array
AKANTU_GET_MACRO(NodesType, nodes_type, const Array<Int> &);
protected:
AKANTU_GET_MACRO_NOT_CONST(NodesType, nodes_type, Array<Int> &);
public:
inline Int getNodeType(UInt local_id) const;
/// say if a node is a pure ghost node
inline bool isPureGhostNode(UInt n) const;
/// say if a node is pur local or master node
inline bool isLocalOrMasterNode(UInt n) const;
inline bool isLocalNode(UInt n) const;
inline bool isMasterNode(UInt n) const;
inline bool isSlaveNode(UInt n) const;
AKANTU_GET_MACRO(LowerBounds, lower_bounds, const Vector<Real> &);
AKANTU_GET_MACRO(UpperBounds, upper_bounds, const Vector<Real> &);
AKANTU_GET_MACRO(LocalLowerBounds, local_lower_bounds, const Vector<Real> &);
AKANTU_GET_MACRO(LocalUpperBounds, local_upper_bounds, const Vector<Real> &);
/// get the connectivity Array for a given type
AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Connectivity, connectivities, UInt);
AKANTU_GET_MACRO_BY_ELEMENT_TYPE(Connectivity, connectivities, UInt);
AKANTU_GET_MACRO(Connectivities, connectivities, const ElementTypeMapArray<UInt> &);
/// get the number of element of a type in the mesh
inline UInt getNbElement(const ElementType & type, const GhostType & ghost_type = _not_ghost) const;
/// get the number of element for a given ghost_type and a given dimension
inline UInt getNbElement(const UInt spatial_dimension = _all_dimensions,
const GhostType & ghost_type = _not_ghost,
const ElementKind & kind = _ek_not_defined) const;
/// get the connectivity list either for the elements or the ghost elements
inline const ConnectivityTypeList & getConnectivityTypeList(const GhostType & ghost_type = _not_ghost) const;
/// compute the barycenter of a given element
inline void getBarycenter(UInt element, const ElementType & type, Real * barycenter,
GhostType ghost_type = _not_ghost) const;
inline void getBarycenter(const Element & element, Vector<Real> & barycenter) const;
/// get the element connected to a subelement
const Array< std::vector<Element> > & getElementToSubelement(const ElementType & el_type,
const GhostType & ghost_type = _not_ghost) const;
/// get the element connected to a subelement
Array< std::vector<Element> > & getElementToSubelement(const ElementType & el_type,
const GhostType & ghost_type = _not_ghost);
/// get the subelement connected to an element
const Array<Element> & getSubelementToElement(const ElementType & el_type,
const GhostType & ghost_type = _not_ghost) const;
/// get the subelement connected to an element
Array<Element> & getSubelementToElement(const ElementType & el_type,
const GhostType & ghost_type = _not_ghost);
/// get a name field associated to the mesh
template<typename T>
inline const Array<T> & getData(const std::string & data_name,
const ElementType & el_type,
const GhostType & ghost_type = _not_ghost) const;
/// get a name field associated to the mesh
template<typename T>
inline Array<T> & getData(const std::string & data_name,
const ElementType & el_type,
const GhostType & ghost_type = _not_ghost);
/// register a new ElementalTypeMap in the MeshData
template<typename T>
inline ElementTypeMapArray<T> & registerData(const std::string & data_name);
/// get a name field associated to the mesh
template<typename T>
inline const ElementTypeMapArray<T> & getData(const std::string & data_name) const;
/// get a name field associated to the mesh
template<typename T>
inline ElementTypeMapArray<T> & getData(const std::string & data_name);
template <typename T>
ElementTypeMap<UInt> getNbDataPerElem(ElementTypeMapArray<T> & array,
const ElementKind & element_kind);
template <typename T>
dumper::Field * createFieldFromAttachedData(const std::string & field_id,
const std::string & group_name,
const ElementKind & element_kind);
/// templated getter returning the pointer to data in MeshData (modifiable)
template<typename T>
inline Array<T> * getDataPointer(const std::string & data_name,
const ElementType & el_type,
const GhostType & ghost_type = _not_ghost,
UInt nb_component = 1,
bool size_to_nb_element = true,
bool resize_with_parent = false);
/// Facets mesh accessor
AKANTU_GET_MACRO(MeshFacets, *mesh_facets, const Mesh &);
AKANTU_GET_MACRO_NOT_CONST(MeshFacets, *mesh_facets, Mesh &);
/// Parent mesh accessor
AKANTU_GET_MACRO(MeshParent, *mesh_parent, const Mesh &);
inline bool isMeshFacets() const { return this->is_mesh_facets; }
/// defines is the mesh is distributed or not
inline bool isDistributed() const { return this->is_distributed; }
/// return the dumper from a group and and a dumper name
DumperIOHelper & getGroupDumper(const std::string & dumper_name,
const std::string & group_name);
/* ------------------------------------------------------------------------ */
/* Wrappers on ElementClass functions */
/* ------------------------------------------------------------------------ */
public:
/// get the number of nodes per element for a given element type
static inline UInt getNbNodesPerElement(const ElementType & type);
/// get the number of nodes per element for a given element type considered as
/// a first order element
static inline ElementType getP1ElementType(const ElementType & type);
/// get the kind of the element type
static inline ElementKind getKind(const ElementType & type);
/// get spatial dimension of a type of element
static inline UInt getSpatialDimension(const ElementType & type);
/// get number of facets of a given element type
static inline UInt getNbFacetsPerElement(const ElementType & type);
/// get local connectivity of a facet for a given facet type
static inline MatrixProxy<UInt> getFacetLocalConnectivity(const ElementType & type);
/// get connectivity of facets for a given element
inline Matrix<UInt> getFacetConnectivity(UInt element, const ElementType & type, const GhostType & ghost_type) const;
/// get the type of the surface element associated to a given element
static inline ElementType getFacetType(const ElementType & type);
/* ------------------------------------------------------------------------ */
/* Element type Iterator */
/* ------------------------------------------------------------------------ */
typedef ElementTypeMapArray<UInt, ElementType>::type_iterator type_iterator;
inline type_iterator firstType(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_regular) const {
return connectivities.firstType(dim, ghost_type, kind);
}
inline type_iterator lastType(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_regular) const {
return connectivities.lastType(dim, ghost_type, kind);
}
/* ------------------------------------------------------------------------ */
/* Private methods for friends */
/* ------------------------------------------------------------------------ */
private:
friend class MeshIOMSH;
friend class MeshIOMSHStruct;
friend class MeshIODiana;
friend class MeshUtils;
friend class DistributedSynchronizer;
template<class T> friend class SpatialGrid;
#if defined(AKANTU_COHESIVE_ELEMENT)
friend class CohesiveElementInserter;
#endif
AKANTU_GET_MACRO(NodesPointer, nodes, Array<Real> *);
/// get a pointer to the nodes_global_ids Array<UInt> and create it if necessary
inline Array<UInt> * getNodesGlobalIdsPointer();
/// get a pointer to the nodes_type Array<Int> and create it if necessary
inline Array<Int> * getNodesTypePointer();
/// get a pointer to the connectivity Array for the given type and create it if necessary
inline Array<UInt> * getConnectivityPointer(const ElementType & type,
const GhostType & ghost_type = _not_ghost);
/// get a pointer to the element_to_subelement Array for the given type and create it if necessary
inline Array< std::vector<Element> > * getElementToSubelementPointer(const ElementType & type,
const GhostType & ghost_type = _not_ghost);
/// get a pointer to the subelement_to_element Array for the given type and create it if necessary
inline Array<Element > * getSubelementToElementPointer(const ElementType & type,
const GhostType & ghost_type = _not_ghost);
AKANTU_GET_MACRO_NOT_CONST(MeshData, mesh_data, MeshData &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// array of the nodes coordinates
Array<Real> * nodes;
/// global node ids
Array<UInt> * nodes_global_ids;
/// node type, -3 pure ghost, -2 master for the node, -1 normal node, i in
/// [0-N] slave node and master is proc i
Array<Int> nodes_type;
/// global number of nodes;
UInt nb_global_nodes;
/// boolean to know if the nodes have to be deleted with the mesh or not
bool created_nodes;
/// all class of elements present in this mesh (for heterogenous meshes)
ElementTypeMapArray<UInt> connectivities;
/// map to normals for all class of elements present in this mesh
ElementTypeMapArray<Real> normals;
/// list of all existing types in the mesh
ConnectivityTypeList type_set;
/// the spatial dimension of this mesh
UInt spatial_dimension;
/// types offsets
Array<UInt> types_offsets;
/// list of all existing types in the mesh
ConnectivityTypeList ghost_type_set;
/// ghost types offsets
Array<UInt> ghost_types_offsets;
/// min of coordinates
Vector<Real> lower_bounds;
/// max of coordinates
Vector<Real> upper_bounds;
/// size covered by the mesh on each direction
Vector<Real> size;
/// local min of coordinates
Vector<Real> local_lower_bounds;
/// local max of coordinates
Vector<Real> local_upper_bounds;
/// Extra data loaded from the mesh file
MeshData mesh_data;
/// facets' mesh
Mesh * mesh_facets;
/// parent mesh (this is set for mesh_facets meshes)
const Mesh * mesh_parent;
/// defines if current mesh is mesh_facets or not
bool is_mesh_facets;
/// defines if the mesh is centralized or distributed
bool is_distributed;
};
/// standard output stream operator
inline std::ostream & operator <<(std::ostream & stream, const Element & _this)
{
_this.printself(stream);
return stream;
}
/// standard output stream operator
inline std::ostream & operator <<(std::ostream & stream, const Mesh & _this)
{
_this.printself(stream);
return stream;
}
__END_AKANTU__
/* -------------------------------------------------------------------------- */
/* Inline functions */
/* -------------------------------------------------------------------------- */
#include "mesh_inline_impl.cc"
#include "element_type_map_tmpl.hh"
//#include "group_manager_inline_impl.cc"
//#include "element_group_inline_impl.cc"
#endif /* __AKANTU_MESH_HH__ */
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