A class used to represent an unstructured mesh of Triangles/Tetrahedrals. More...

#include <TriangleMesh.h>

Inheritance diagram for AMP::Mesh::TriangleMesh< NG >:

[legend]

Public Types
typedef std::array< int, 2 >	Edge

typedef StoreCompressedList< ElementID >	ElementList

using	ElementListPtr = MeshElementVectorPtr

typedef std::array< int, 3 >	Face

typedef std::function< std::shared_ptr< Mesh >(std::shared_ptr< const MeshParameters >)>	generatorType
	Generator for meshes.

using	IteratorSet = std::array< TriangleMeshIterator< NG >, NG+1 >

using	MeshElementPtr = std::unique_ptr< MeshElement >
	Pointer to MeshElement and MeshElementVector.

enum class	Movable : uint8_t { Fixed = 0 , Displace = 1 , Deform = 2 }
	Enumeration for basic mesh-based quantities. More...

typedef std::array< double, 3 >	Point

typedef std::array< int, NG+1 >	TRI

Public Member Functions
std::unique_ptr< Mesh >	clone () const override final
	Virtual function to copy the mesh (allows use to proply copy the derived class)

virtual bool	containsElement (const MeshElementID &id) const

TriangleMeshIterator< NG >	createIterator (GeomType type, int gcw) const

void	displaceMesh (const std::vector< double > &x) override
	Displace the entire mesh.

void	displaceMesh (std::shared_ptr< const AMP::LinearAlgebra::Vector > x) override
	Displace the entire mesh.

virtual std::vector< MeshID >	getAllMeshIDs () const

virtual std::vector< MeshID >	getBaseMeshIDs () const

virtual MeshIterator	getBlockIDIterator (const GeomType type, const int id, const int gcw=0) const override final
	Return an MeshIterator over the given geometric objects on the given block ID set.

std::vector< int >	getBlockIDs () const override final
	Return the list of all boundary ID sets in the mesh.

virtual MeshIterator	getBoundaryIDIterator (const GeomType type, const int id, const int gcw=0) const override final
	Return an MeshIterator over the given geometric objects on the given boundary ID set.

std::vector< int >	getBoundaryIDs () const override final
	Return the list of all boundary ID sets in the mesh.

const auto &	getBoundingBox () const
	Get the bounding box for the mesh.

const AMP_MPI &	getComm () const
	Get the communicator for the mesh.

uint8_t	getDim () const
	Get the physical dimension of the mesh.

template<uint8_t TYPE>
std::array< int, TYPE+1 >	getElem (const ElementID &id) const

MeshElementPtr	getElement (const MeshElementID &id) const override final
	Return a mesh element given it's id.

MeshElement *	getElement2 (const MeshElementID &id) const

std::pair< const ElementID , const ElementID >	getElementParents (const ElementID &id, const GeomType type) const

ElementListPtr	getElementParents (const MeshElement &elem, const GeomType type) const override final
	Return the parent elements of the given mesh element.

void	getElementsIDs (const ElementID &id, const GeomType type, ElementID *IDs) const

auto	getGeometry ()
	Return the geometry of the mesh.

auto	getGeometry () const
	Return the geometry of the mesh.

GeomType	getGeomType () const
	Get the largest geometric type in the mesh.

template<uint8_t TYPE>
ElementID	getID (const std::array< int, TYPE+1 > &id) const

MeshIterator	getIterator (const GeomType type, const int gcw=0) const override final
	Return an MeshIterator over the given geometric objects.

virtual std::vector< MeshID >	getLocalBaseMeshIDs () const

const auto &	getLocalBoundingBox () const
	Get the bounding box for the local part of the mesh.

virtual std::vector< MeshID >	getLocalMeshIDs () const

uint8_t	getMaxGhostWidth () const
	Get the maximum ghost width.

virtual std::string	getName () const
	Get the mesh name.

void	getNeighborIDs (const ElementID &id, std::vector< ElementID > &IDs) const

virtual std::shared_ptr< AMP::LinearAlgebra::Vector >	getPositionVector (std::string name, const int gcw=0) const
	Get a vector of the coordinates of the nodes.

virtual MeshIterator	getSurfaceIterator (const GeomType type, const int gcw=0) const override final
	Return an MeshIterator over the given geometric objects on the surface.

void	getVertexCoord (const ElementID &id, std::array< double, 3 > *x) const

virtual bool	isBaseMesh () const
	Is the current mesh a base mesh.

bool	isInBlock (const ElementID &elemID, int id) const

virtual bool	isMember (const MeshElementID &id) const
	Check if an element is in the mesh.

virtual MeshIterator	isMember (const MeshIterator &it) const
	Check if elements are in the mesh.

Movable	isMeshMovable () const override
	Is the mesh movable.

bool	isOnBoundary (const ElementID &elemID, int id) const

bool	isOnSurface (const ElementID &elemID) const

std::string	meshClass () const override
	Return a string with the mesh class name.

MeshID	meshID () const
	Get the mesh ID.

size_t	numGhostElements (const GeomType type, const int gcw) const override final

size_t	numGlobalElements (const GeomType type) const override final

size_t	numLocalElements (const GeomType type) const override final

bool	operator!= (const Mesh &mesh) const
	Check if two meshes are not equal.

TriangleMesh &	operator= (const TriangleMesh &)=delete

TriangleMesh &	operator= (TriangleMesh &&)=default

bool	operator== (const Mesh &mesh) const override
	Check if two meshes are equal.

uint64_t	positionHash () const override
	Identify if the position has moved.

virtual void	registerChildObjects (AMP::IO::RestartManager *manager) const
	Register child objects.

virtual void	setName (std::string name)
	Set the mesh name.

std::shared_ptr< AMP::Mesh::Mesh >	shared_from_this ()

std::shared_ptr< const AMP::Mesh::Mesh >	shared_from_this () const

virtual std::shared_ptr< Mesh >	Subset (const MeshIterator &iterator, bool isGlobal=true) const
	Subset a mesh given a MeshIterator.

virtual std::shared_ptr< Mesh >	Subset (Mesh &mesh) const
	Subset a mesh given another mesh.

virtual std::shared_ptr< Mesh >	Subset (MeshID meshID) const
	Subset a mesh given a MeshID.

virtual std::shared_ptr< Mesh >	Subset (std::string name) const
	Subset a mesh given a mesh name.

	TriangleMesh (const TriangleMesh &)

	TriangleMesh (int NP, std::vector< Point > vertices, std::vector< TRI > triangles, std::vector< TRI > tri_nab, const AMP_MPI &comm, std::shared_ptr< Geometry::Geometry > geom={}, std::vector< int > block={}, int max_gcw=2)
	Primary constructor.

	TriangleMesh (TriangleMesh &&)=default

void	writeRestart (int64_t fid) const override
	Write restart data to file.

virtual	~TriangleMesh ()
	Deconstructor.

Static Public Member Functions
static CompareResult	compare (const Mesh &a, const Mesh &b)
	Compare two meshes.

static std::shared_ptr< Mesh >	createView (const Mesh &mesh, const AMP::Database &db)
	Create a view of existing mesh(s)

static size_t	estimateMeshSize (std::shared_ptr< const MeshParameters > params)
	Estimate the number of elements in the mesh.

static MeshIterator	getIterator (SetOP OP, const MeshIterator &, MeshIteratorEnd)

static MeshIterator	getIterator (SetOP OP, const MeshIterator &A, const MeshIterator &B)
	Return an MeshIterator constructed through a set operation of two other MeshIterators.

static MeshIterator	getIterator (SetOP OP, MeshIteratorEnd, const MeshIterator &)

static MeshIterator	getIterator (SetOP OP, MeshIteratorEnd, MeshIteratorEnd)

static bool	inIterator (const ElementID &id, const TriangleMeshIterator< NG > *it)

static size_t	maxProcs (std::shared_ptr< const MeshParameters > params)
	Return the maximum number of processors that can be used with the mesh.

static void	printMeshHierarchy (const Mesh &mesh, std::ostream &out=std::cout, const std::string &prefix="")
	Print the mesh hierarchy<iostream>

Protected Member Functions
std::vector< IteratorSet >	createBlockIterators (int block)

void	createSurfaceIterators ()

void	initialize ()

void	initializeBoundingBox ()

void	initializeIterators ()

void	setMeshID ()

	TriangleMesh ()=default

	TriangleMesh (std::shared_ptr< const MeshParameters >)

Static Protected Member Functions
static std::vector< double >	reduceBox (const std::vector< double > &, const AMP_MPI &)
	Fill the domain box from the local box (requires communication)

Protected Attributes
std::vector< double >	d_box
	The bounding box for the mesh.

std::vector< double >	d_box_local
	The bounding box for the mesh.

AMP_MPI	d_comm
	The communicator over which the mesh is stored.

std::shared_ptr< Geometry::Geometry >	d_geometry
	The geometry parameters.

uint8_t	d_max_gcw
	The maximum ghost cell width.

MeshID	d_meshID
	A unique id for each mesh.

std::string	d_name
	A name for the mesh.

GeomType	GeomDim
	The geometric dimension.

uint8_t	PhysicalDim
	The physical dimension.

std::weak_ptr< AMP::Mesh::Mesh >	weak_ptr_

Private Member Functions
void	buildChildren ()

ElementList	computeNodeParents (int parentType)

ElementList	getParents (int childType, int parentType)

void	loadBalance (const std::vector< Point > &vertices, const std::vector< TRI > &tri, const std::vector< TRI > &tri_nab, const std::vector< int > &block)

Private Attributes
std::vector< int >	d_block_ids
	The global list of block ids.

std::vector< std::vector< IteratorSet > >	d_block_it
	[id][gcw][type]

std::vector< int >	d_blockID
	The block id index for each triangle.

std::vector< int >	d_boundary_ids
	The global list of boundary ids.

std::vector< std::vector< IteratorSet > >	d_boundary_it
	[id][gcw][type]

StoreTriData< int, 2 >	d_childEdge
	The list of local children edges.

StoreTriData< int, 3 >	d_childFace
	The list of local children faces.

std::vector< TRI >	d_globalNab
	Store the global triangle neighbors.

StoreTriData< int, NG+1 >	d_globalTri
	Store the global triangles.

std::vector< bool >	d_isSurface [NG+1]
	Global list of surface elements.

std::vector< IteratorSet >	d_iterators
	[gcw][type]

std::array< size_t, 4 >	d_N_global = { 0 }
	The number of global elements.

ElementList	d_parents [NG+1][NG+1]
	Parent data.

uint64_t	d_pos_hash = 0
	Number of times position has changed.

std::vector< std::vector< int > >	d_remoteTri
	The unique ghost triangles for each gcw.

std::vector< IteratorSet >	d_surface_it
	[gcw][type]

StoreTriData< double, 3 >	d_vertex
	Store the global coordinates.

Detailed Description

template<uint8_t NG>
class AMP::Mesh::TriangleMesh< NG >

A class used to represent an unstructured mesh of Triangles/Tetrahedrals.

Definition at line 118 of file TriangleMesh.h.

Member Typedef Documentation

◆ Edge

template<uint8_t NG>

typedef std::array<int, 2> AMP::Mesh::TriangleMesh< NG >::Edge

Definition at line 123 of file TriangleMesh.h.

◆ ElementList

template<uint8_t NG>

typedef StoreCompressedList<ElementID> AMP::Mesh::TriangleMesh< NG >::ElementList

Definition at line 127 of file TriangleMesh.h.

◆ ElementListPtr

using AMP::Mesh::Mesh::ElementListPtr = MeshElementVectorPtr

inherited

Definition at line 70 of file Mesh.h.

◆ Face

template<uint8_t NG>

typedef std::array<int, 3> AMP::Mesh::TriangleMesh< NG >::Face

Definition at line 124 of file TriangleMesh.h.

◆ generatorType

AMP::Mesh::Mesh::generatorType

inherited

Generator for meshes.

This is a user-supplied function to generate a mesh. Users may register their own mesh generators using registerGenerator and the mesh builder will call them.

Definition at line 66 of file Mesh.h.

◆ IteratorSet

template<uint8_t NG>

using AMP::Mesh::TriangleMesh< NG >::IteratorSet = std::array<TriangleMeshIterator<NG>, NG + 1>

Definition at line 126 of file TriangleMesh.h.

◆ MeshElementPtr

using AMP::Mesh::Mesh::MeshElementPtr = std::unique_ptr<MeshElement>

inherited

Pointer to MeshElement and MeshElementVector.

Definition at line 69 of file Mesh.h.

◆ Point

template<uint8_t NG>

typedef std::array<double, 3> AMP::Mesh::TriangleMesh< NG >::Point

Definition at line 122 of file TriangleMesh.h.

◆ TRI

template<uint8_t NG>

typedef std::array<int, NG + 1> AMP::Mesh::TriangleMesh< NG >::TRI

Definition at line 125 of file TriangleMesh.h.

Member Enumeration Documentation

◆ Movable

enum class AMP::Mesh::Mesh::Movable : uint8_t

stronginherited

Enumeration for basic mesh-based quantities.

Enumerator
Fixed
Displace
Deform

Definition at line 73 of file Mesh.h.

Constructor & Destructor Documentation

◆ TriangleMesh() [1/5]

template<uint8_t NG>

AMP::Mesh::TriangleMesh< NG >::TriangleMesh	(	int	NP,
		std::vector< Point >	vertices,
		std::vector< TRI >	triangles,
		std::vector< TRI >	tri_nab,
		const AMP_MPI &	comm,
		std::shared_ptr< Geometry::Geometry >	geom = `{}`,
		std::vector< int >	block = `{}`,
		int	max_gcw = `2`
	)

explicit

Primary constructor.

Create a triangle mesh from the verticies and triangle indicies Note: Rank 0 must contain all data, other ranks "may" contain copies

Parameters

NP	Number of physical dimensions
vertices	List of vertices
triangles	List of triangles
tri_nab	Optional list of triangles neighbors
comm	Communicator to use (load balance will be automatically generated on this comm)
geom	Optional geometry to associate with the mesh
block	Optional vector with the block id for each triangle
max_gcw	Maximum gcw to support

◆ TriangleMesh() [2/5]

template<uint8_t NG>

AMP::Mesh::TriangleMesh< NG >::TriangleMesh ( const TriangleMesh< NG > & )

◆ TriangleMesh() [3/5]

template<uint8_t NG>

AMP::Mesh::TriangleMesh< NG >::TriangleMesh ( TriangleMesh< NG > && )

default

◆ ~TriangleMesh()

template<uint8_t NG>

virtual AMP::Mesh::TriangleMesh< NG >::~TriangleMesh ( )

virtual

Deconstructor.

◆ TriangleMesh() [4/5]

template<uint8_t NG>

AMP::Mesh::TriangleMesh< NG >::TriangleMesh ( )

protecteddefault

◆ TriangleMesh() [5/5]

template<uint8_t NG>

AMP::Mesh::TriangleMesh< NG >::TriangleMesh ( std::shared_ptr< const MeshParameters > )

explicitprotected

Member Function Documentation

◆ buildChildren()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::buildChildren ( )

private

◆ clone()

template<uint8_t NG>

std::unique_ptr< Mesh > AMP::Mesh::TriangleMesh< NG >::clone ( ) const

finaloverridevirtual

Virtual function to copy the mesh (allows use to proply copy the derived class)

Implements AMP::Mesh::Mesh.

◆ compare()

static CompareResult AMP::Mesh::Mesh::compare	(	const Mesh &	a,
		const Mesh &	b
	)

staticinherited

Compare two meshes.

This function compares two meshes.

Parameters

[in]	a	First mesh to compare
[in]	b	Second mesh to compare

Returns: Result of comparison

◆ computeNodeParents()

template<uint8_t NG>

ElementList AMP::Mesh::TriangleMesh< NG >::computeNodeParents ( int parentType )

private

◆ containsElement()

virtual bool AMP::Mesh::Mesh::containsElement ( const MeshElementID & id ) const

virtualinherited

Check if the mesh contains the given mesh element

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ createBlockIterators()

template<uint8_t NG>

std::vector< IteratorSet > AMP::Mesh::TriangleMesh< NG >::createBlockIterators ( int block )

protected

◆ createIterator()

template<uint8_t NG>

TriangleMeshIterator< NG > AMP::Mesh::TriangleMesh< NG >::createIterator	(	GeomType	type,
		int	gcw
	)		const

◆ createSurfaceIterators()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::createSurfaceIterators ( )

protected

◆ createView()

static std::shared_ptr< Mesh > AMP::Mesh::Mesh::createView	(	const Mesh &	mesh,
		const AMP::Database &	db
	)

staticinherited

Create a view of existing mesh(s)

This function creates a view of existing mesh(s)

Parameters

mesh	Existing mesh(s)
db	Database to control the view

◆ displaceMesh() [1/2]

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::displaceMesh ( const std::vector< double > & x )

overridevirtual

Displace the entire mesh.

This function will displace the entire mesh by a scalar value. This function is a blocking call for the mesh communicator, and requires the same value on all processors. The displacement vector should be the size of the physical dimension.

Parameters

x	Displacement vector

Implements AMP::Mesh::Mesh.

◆ displaceMesh() [2/2]

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::displaceMesh ( std::shared_ptr< const AMP::LinearAlgebra::Vector > x )

overridevirtual

Displace the entire mesh.

This function will displace the entire mesh by displacing each node by the values provided in the vector. This function is a blocking call for the mesh communicator

Parameters

x	Displacement vector. Must have N DOFs per node where N is the physical dimension of the mesh.

Implements AMP::Mesh::Mesh.

◆ estimateMeshSize()

static size_t AMP::Mesh::Mesh::estimateMeshSize ( std::shared_ptr< const MeshParameters > params )

staticinherited

Estimate the number of elements in the mesh.

This function will estimate the number of elements in the mesh. This is used so that we can properly balance the meshes across multiple processors. Ideally this should be both an accurate estimate and very fast. It should not require any communication and should not have to actually load a mesh.

Parameters

params Parameters for constructing a mesh from an input database

◆ getAllMeshIDs()

virtual std::vector< MeshID > AMP::Mesh::Mesh::getAllMeshIDs ( ) const

virtualinherited

Get the meshIDs of all meshes that compose the current mesh (including its self) Note: This function may require global communication depending on the implementation

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ getBaseMeshIDs()

virtual std::vector< MeshID > AMP::Mesh::Mesh::getBaseMeshIDs ( ) const

virtualinherited

Get the meshIDs of all the basic meshes that compose the current mesh (excluding multimeshes and subset meshes) Note: This function may require global communication depending on the implementation

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ getBlockIDIterator()

template<uint8_t NG>

virtual MeshIterator AMP::Mesh::TriangleMesh< NG >::getBlockIDIterator	(	const GeomType	type,
		const int	id,
		const int	gcw = `0`
	)		const

finaloverridevirtual

Return an MeshIterator over the given geometric objects on the given block ID set.

Return an MeshIterator over the given geometric objects on the given block ID set

Parameters

type	Geometric type to iterate over
id	Block id for the elements (example: block id in cubit, subdomain in libmesh)
gcw	Desired ghost cell width

Reimplemented from AMP::Mesh::Mesh.

◆ getBlockIDs()

template<uint8_t NG>

std::vector< int > AMP::Mesh::TriangleMesh< NG >::getBlockIDs ( ) const

finaloverridevirtual

Return the list of all boundary ID sets in the mesh.

Return the list of all boundary ID sets in the mesh Note: depending on the mesh this routine may require global communication across the mesh.

Reimplemented from AMP::Mesh::Mesh.

◆ getBoundaryIDIterator()

template<uint8_t NG>

virtual MeshIterator AMP::Mesh::TriangleMesh< NG >::getBoundaryIDIterator	(	const GeomType	type,
		const int	id,
		const int	gcw = `0`
	)		const

finaloverridevirtual

Return an MeshIterator over the given geometric objects on the given boundary ID set.

Return an MeshIterator over the given geometric objects on the given boundary ID set

Parameters

type	Geometric type to iterate over
id	Boundary id for the elements (example: sideset id)
gcw	Desired ghost cell width

Reimplemented from AMP::Mesh::Mesh.

◆ getBoundaryIDs()

template<uint8_t NG>

std::vector< int > AMP::Mesh::TriangleMesh< NG >::getBoundaryIDs ( ) const

finaloverridevirtual

Return the list of all boundary ID sets in the mesh.

Return the list of all boundary ID sets in the mesh Note: depending on the mesh this routine may require global communication across the mesh.

Reimplemented from AMP::Mesh::Mesh.

◆ getBoundingBox()

const auto & AMP::Mesh::Mesh::getBoundingBox ( ) const

inlineinherited

Get the bounding box for the mesh.

This function will return the bounding box for the entire mesh. The vector returned contains the box that contains the mesh in the form [ x_min x_max y_min y_max z_min z_max ].

Definition at line 408 of file Mesh.h.

References AMP::Mesh::Mesh::d_box.

◆ getComm()

const AMP_MPI & AMP::Mesh::Mesh::getComm ( ) const

inlineinherited

Get the communicator for the mesh.

Definition at line 336 of file Mesh.h.

References AMP::Mesh::Mesh::d_comm.

◆ getDim()

uint8_t AMP::Mesh::Mesh::getDim ( ) const

inlineinherited

Get the physical dimension of the mesh.

Definition at line 332 of file Mesh.h.

References AMP::Mesh::Mesh::PhysicalDim.

◆ getElem()

template<uint8_t NG>

template<uint8_t TYPE>

std::array< int, TYPE+1 > AMP::Mesh::TriangleMesh< NG >::getElem ( const ElementID & id ) const

◆ getElement()

template<uint8_t NG>

MeshElementPtr AMP::Mesh::TriangleMesh< NG >::getElement ( const MeshElementID & id ) const

finaloverridevirtual

Return a mesh element given it's id.

This function queries the mesh to get an element given the mesh id. This function is only required to return an element if the id is local. Ideally, this should be done in O(1) time, but the implementation is up to the underlying mesh. The base class provides a basic implementation, but uses mesh iterators and requires O(N) time on the number of elements in the mesh.

Parameters

id	Mesh element id we are requesting.

Reimplemented from AMP::Mesh::Mesh.

◆ getElement2()

template<uint8_t NG>

MeshElement * AMP::Mesh::TriangleMesh< NG >::getElement2 ( const MeshElementID & id ) const

◆ getElementParents() [1/2]

template<uint8_t NG>

std::pair< const ElementID , const ElementID > AMP::Mesh::TriangleMesh< NG >::getElementParents	(	const ElementID &	id,
		const GeomType	type
	)		const

◆ getElementParents() [2/2]

template<uint8_t NG>

ElementListPtr AMP::Mesh::TriangleMesh< NG >::getElementParents	(	const MeshElement &	elem,
		const GeomType	type
	)		const

finaloverridevirtual

Return the parent elements of the given mesh element.

This function queries the mesh to get an element given the mesh id, then returns the parent elements that have the element as a child

Parameters

elem	Mesh element of interest
type	Element type of the parents requested

Reimplemented from AMP::Mesh::Mesh.

◆ getElementsIDs()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::getElementsIDs	(	const ElementID &	id,
		const GeomType	type,
		ElementID *	IDs
	)		const

◆ getGeometry() [1/2]

auto AMP::Mesh::Mesh::getGeometry ( )

inlineinherited

Return the geometry of the mesh.

This function will return the geometry for the mesh if it exists. Not all meshes will have a geometry associated with them.

Definition at line 106 of file Mesh.h.

References AMP::Mesh::Mesh::d_geometry.

◆ getGeometry() [2/2]

auto AMP::Mesh::Mesh::getGeometry ( ) const

inlineinherited

Return the geometry of the mesh.

This function will return the geometry for the mesh if it exists. Not all meshes will have a geometry associated with them.

Definition at line 114 of file Mesh.h.

References AMP::Mesh::Mesh::d_geometry.

◆ getGeomType()

GeomType AMP::Mesh::Mesh::getGeomType ( ) const

inlineinherited

Get the largest geometric type in the mesh.

Definition at line 328 of file Mesh.h.

References AMP::Mesh::Mesh::GeomDim.

◆ getID()

template<uint8_t NG>

template<uint8_t TYPE>

ElementID AMP::Mesh::TriangleMesh< NG >::getID ( const std::array< int, TYPE+1 > & id ) const

◆ getIterator() [1/5]

template<uint8_t NG>

MeshIterator AMP::Mesh::TriangleMesh< NG >::getIterator	(	const GeomType	type,
		const int	gcw = `0`
	)		const

finaloverridevirtual

Return an MeshIterator over the given geometric objects.

Return an MeshIterator over the given geometric objects

Parameters

type	Geometric type to iterate over
gcw	Desired ghost cell width

Reimplemented from AMP::Mesh::Mesh.

◆ getIterator() [2/5]

static MeshIterator AMP::Mesh::Mesh::getIterator	(	SetOP	OP,
		const MeshIterator &	,
		MeshIteratorEnd
	)

staticinherited

◆ getIterator() [3/5]

static MeshIterator AMP::Mesh::Mesh::getIterator	(	SetOP	OP,
		const MeshIterator &	A,
		const MeshIterator &	B
	)

staticinherited

Return an MeshIterator constructed through a set operation of two other MeshIterators.

Parameters

OP	Set operation to perform. SetOP::Union - Perform a union of the iterators ( A U B ) SetOP::Intersection - Perform an intersection of the iterators ( A n B ) SetOP::Complement - Perform a compliment of the iterators ( A - B )
A	Pointer to MeshIterator A
B	Pointer to MeshIterator B

◆ getIterator() [4/5]

static MeshIterator AMP::Mesh::Mesh::getIterator	(	SetOP	OP,
		MeshIteratorEnd	,
		const MeshIterator &
	)

staticinherited

◆ getIterator() [5/5]

static MeshIterator AMP::Mesh::Mesh::getIterator	(	SetOP	OP,
		MeshIteratorEnd	,
		MeshIteratorEnd
	)

staticinherited

◆ getLocalBaseMeshIDs()

virtual std::vector< MeshID > AMP::Mesh::Mesh::getLocalBaseMeshIDs ( ) const

virtualinherited

Get the meshIDs of all the basic meshes that compose the current mesh (excluding multimeshes and subset meshes) on the current processor.

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ getLocalBoundingBox()

const auto & AMP::Mesh::Mesh::getLocalBoundingBox ( ) const

inlineinherited

Get the bounding box for the local part of the mesh.

This function will return the bounding box for the local part of the mesh. The vector returned contains the box that contains the mesh in the form [ x_min x_max y_min y_max z_min z_max ].

Definition at line 417 of file Mesh.h.

References AMP::Mesh::Mesh::d_box_local.

◆ getLocalMeshIDs()

virtual std::vector< MeshID > AMP::Mesh::Mesh::getLocalMeshIDs ( ) const

virtualinherited

Get the meshIDs of all meshes that compose the current mesh (including its self) on the current processor.

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ getMaxGhostWidth()

uint8_t AMP::Mesh::Mesh::getMaxGhostWidth ( ) const

inlineinherited

Get the maximum ghost width.

Definition at line 340 of file Mesh.h.

References AMP::Mesh::Mesh::d_max_gcw.

◆ getName()

virtual std::string AMP::Mesh::Mesh::getName ( ) const

inlinevirtualinherited

Get the mesh name.

Definition at line 395 of file Mesh.h.

References AMP::Mesh::Mesh::d_name.

◆ getNeighborIDs()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::getNeighborIDs	(	const ElementID &	id,
		std::vector< ElementID > &	IDs
	)		const

◆ getParents()

template<uint8_t NG>

ElementList AMP::Mesh::TriangleMesh< NG >::getParents	(	int	childType,
		int	parentType
	)

private

◆ getPositionVector()

virtual std::shared_ptr< AMP::LinearAlgebra::Vector > AMP::Mesh::Mesh::getPositionVector	(	std::string	name,
		const int	gcw = `0`
	)		const

virtualinherited

Get a vector of the coordinates of the nodes.

This function will return a const vector containing the coordinates of all the nodes.

Parameters

name	Name of the vector
gcw	Desired ghost cell width

◆ getSurfaceIterator()

template<uint8_t NG>

virtual MeshIterator AMP::Mesh::TriangleMesh< NG >::getSurfaceIterator	(	const GeomType	type,
		const int	gcw = `0`
	)		const

finaloverridevirtual

Return an MeshIterator over the given geometric objects on the surface.

Return an MeshIterator over the given geometric objects on the surface

Parameters

type	Geometric type to iterate over
gcw	Desired ghost cell width

Reimplemented from AMP::Mesh::Mesh.

◆ getVertexCoord()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::getVertexCoord	(	const ElementID &	id,
		std::array< double, 3 > *	x
	)		const

◆ inIterator()

template<uint8_t NG>

static bool AMP::Mesh::TriangleMesh< NG >::inIterator	(	const ElementID &	id,
		const TriangleMeshIterator< NG > *	it
	)

static

◆ initialize()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::initialize ( )

protected

◆ initializeBoundingBox()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::initializeBoundingBox ( )

protected

◆ initializeIterators()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::initializeIterators ( )

protected

◆ isBaseMesh()

virtual bool AMP::Mesh::Mesh::isBaseMesh ( ) const

virtualinherited

Is the current mesh a base mesh.

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ isInBlock()

template<uint8_t NG>

bool AMP::Mesh::TriangleMesh< NG >::isInBlock	(	const ElementID &	elemID,
		int	id
	)		const

◆ isMember() [1/2]

virtual bool AMP::Mesh::Mesh::isMember ( const MeshElementID & id ) const

virtualinherited

Check if an element is in the mesh.

This function queries the mesh to determine if the given element is a member of the mesh

Parameters

id	Mesh element id we are querying.

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ isMember() [2/2]

virtual MeshIterator AMP::Mesh::Mesh::isMember ( const MeshIterator & it ) const

virtualinherited

Check if elements are in the mesh.

This function queries the mesh to determine if each of the given elements is a member of the mesh and returns an iterator over those elements

Parameters

it	Iterator containing mesh element id we are querying.

Returns: Iterator containing elements that are part of the mesh

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ isMeshMovable()

template<uint8_t NG>

Movable AMP::Mesh::TriangleMesh< NG >::isMeshMovable ( ) const

inlineoverridevirtual

Is the mesh movable.

This function will check if the mesh can be displaced.

Returns: enum indicating the extent the mesh can be moved

Implements AMP::Mesh::Mesh.

Definition at line 284 of file TriangleMesh.h.

References AMP::Mesh::Mesh::Deform.

◆ isOnBoundary()

template<uint8_t NG>

bool AMP::Mesh::TriangleMesh< NG >::isOnBoundary	(	const ElementID &	elemID,
		int	id
	)		const

◆ isOnSurface()

template<uint8_t NG>

bool AMP::Mesh::TriangleMesh< NG >::isOnSurface ( const ElementID & elemID ) const

◆ loadBalance()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::loadBalance	(	const std::vector< Point > &	vertices,
		const std::vector< TRI > &	tri,
		const std::vector< TRI > &	tri_nab,
		const std::vector< int > &	block
	)

private

◆ maxProcs()

static size_t AMP::Mesh::Mesh::maxProcs ( std::shared_ptr< const MeshParameters > params )

staticinherited

Return the maximum number of processors that can be used with the mesh.

This function will return the maximum number of processors that can be used with the mesh.

Parameters

params Parameters for constructing a mesh from an input database

◆ meshClass()

template<uint8_t NG>

std::string AMP::Mesh::TriangleMesh< NG >::meshClass ( ) const

overridevirtual

Return a string with the mesh class name.

Implements AMP::Mesh::Mesh.

◆ meshID()

MeshID AMP::Mesh::Mesh::meshID ( ) const

inlineinherited

Get the mesh ID.

Definition at line 344 of file Mesh.h.

References AMP::Mesh::Mesh::d_meshID.

◆ numGhostElements()

template<uint8_t NG>

size_t AMP::Mesh::TriangleMesh< NG >::numGhostElements	(	const GeomType	type,
		const int	gcw
	)		const

finaloverridevirtual

Reimplemented from AMP::Mesh::Mesh.

◆ numGlobalElements()

template<uint8_t NG>

size_t AMP::Mesh::TriangleMesh< NG >::numGlobalElements ( const GeomType type ) const

finaloverridevirtual

Reimplemented from AMP::Mesh::Mesh.

◆ numLocalElements()

template<uint8_t NG>

size_t AMP::Mesh::TriangleMesh< NG >::numLocalElements ( const GeomType type ) const

finaloverridevirtual

Reimplemented from AMP::Mesh::Mesh.

◆ operator!=()

bool AMP::Mesh::Mesh::operator!= ( const Mesh & mesh ) const

inlineinherited

Check if two meshes are not equal.

Definition at line 356 of file Mesh.h.

References AMP::Mesh::Mesh::operator==().

◆ operator=() [1/2]

template<uint8_t NG>

TriangleMesh & AMP::Mesh::TriangleMesh< NG >::operator= ( const TriangleMesh< NG > & )

delete

◆ operator=() [2/2]

template<uint8_t NG>

TriangleMesh & AMP::Mesh::TriangleMesh< NG >::operator= ( TriangleMesh< NG > && )

default

◆ operator==()

template<uint8_t NG>

bool AMP::Mesh::TriangleMesh< NG >::operator== ( const Mesh & mesh ) const

overridevirtual

Check if two meshes are equal.

Implements AMP::Mesh::Mesh.

◆ positionHash()

template<uint8_t NG>

uint64_t AMP::Mesh::TriangleMesh< NG >::positionHash ( ) const

overridevirtual

Identify if the position has moved.

This function will return a hash that can be used to identify if the mesh has been moved. Any time that displaceMesh is called, the hash value should change. There is no requirement that dispacing a mesh and returning it back to the original position will return the original hash.

Returns: hash value with current position id

Implements AMP::Mesh::Mesh.

◆ printMeshHierarchy()

static void AMP::Mesh::Mesh::printMeshHierarchy	(	const Mesh &	mesh,
		std::ostream &	out = `std::cout`,
		const std::string &	prefix = `""`
	)

staticinherited

Print the mesh hierarchy<iostream>

◆ reduceBox()

static std::vector< double > AMP::Mesh::Mesh::reduceBox	(	const std::vector< double > &	,
		const AMP_MPI &
	)

staticprotectedinherited

Fill the domain box from the local box (requires communication)

◆ registerChildObjects()

virtual void AMP::Mesh::Mesh::registerChildObjects ( AMP::IO::RestartManager * manager ) const

virtualinherited

Register child objects.

This function register child objects if necessary

Parameters

manager Restart manager

Reimplemented in AMP::Mesh::MultiMesh.

◆ setMeshID()

void AMP::Mesh::Mesh::setMeshID ( )

protectedinherited

A function to create a unique id for the mesh (requires the comm to be set) Note: this requires a global communication across the mesh communicator. Note: this function is NOT thread safe, and will need to be modified before threads are used.

◆ setName()

virtual void AMP::Mesh::Mesh::setName ( std::string name )

inlinevirtualinherited

Set the mesh name.

Definition at line 399 of file Mesh.h.

References AMP::Mesh::Mesh::d_name.

◆ shared_from_this() [1/2]

std::shared_ptr< AMP::Mesh::Mesh > AMP::enable_shared_from_this< AMP::Mesh::Mesh >::shared_from_this ( )

inlineinherited

Definition at line 28 of file enable_shared_from_this.h.

◆ shared_from_this() [2/2]

std::shared_ptr< const AMP::Mesh::Mesh > AMP::enable_shared_from_this< AMP::Mesh::Mesh >::shared_from_this ( ) const

inlineinherited

Definition at line 46 of file enable_shared_from_this.h.

◆ Subset() [1/4]

virtual std::shared_ptr< Mesh > AMP::Mesh::Mesh::Subset	(	const MeshIterator &	iterator,
		bool	isGlobal = `true`
	)		const

virtualinherited

Subset a mesh given a MeshIterator.

This function will subset a mesh over a given iterator. This will return a new mesh object.

Parameters

iterator	MeshIterator used to subset
isGlobal	Is the new subset mesh global over the entire mesh (true,default), or do we only want to keep the local mesh (false)

Reimplemented in AMP::Mesh::MultiMesh, AMP::Mesh::SubsetMesh, and AMP::Mesh::MultiMesh.

◆ Subset() [2/4]

virtual std::shared_ptr< Mesh > AMP::Mesh::Mesh::Subset ( Mesh & mesh ) const

virtualinherited

Subset a mesh given another mesh.

This function will subset a mesh given another mesh

Parameters

mesh	Mesh used to subset

Reimplemented in AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ Subset() [3/4]

virtual std::shared_ptr< Mesh > AMP::Mesh::Mesh::Subset ( MeshID meshID ) const

virtualinherited

Subset a mesh given a MeshID.

This function will return the mesh with the given meshID. Note: for multimeshes, this will return the mesh with the given id. For a single mesh this will return a pointer to itself if the meshID matches the meshID of the mesh, and a null pointer otherwise.

Parameters

meshID MeshID of the desired mesh

Reimplemented in AMP::Mesh::MultiMesh, AMP::Mesh::SubsetMesh, AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ Subset() [4/4]

virtual std::shared_ptr< Mesh > AMP::Mesh::Mesh::Subset ( std::string name ) const

virtualinherited

Subset a mesh given a mesh name.

This function will return the mesh with the given name. For a single mesh this will return a pointer to itself if the mesh name matches the name of the mesh, and a null pointer otherwise. Note: The mesh name is not guaranteed to be unique. If there are multiple meshes with the same name, all meshed with the given name will be returned within a new multimesh. It is strongly recommended to use the meshID when possible.

Parameters

name	Name of the desired mesh

Reimplemented in AMP::Mesh::MultiMesh, AMP::Mesh::SubsetMesh, AMP::Mesh::MultiMesh, and AMP::Mesh::SubsetMesh.

◆ writeRestart()

template<uint8_t NG>

void AMP::Mesh::TriangleMesh< NG >::writeRestart ( int64_t fid ) const

overridevirtual

Write restart data to file.

This function will write the mesh to an HDF5 file

Parameters

fid	File identifier to write

Reimplemented from AMP::Mesh::Mesh.

Member Data Documentation

◆ d_block_ids

template<uint8_t NG>

std::vector<int> AMP::Mesh::TriangleMesh< NG >::d_block_ids

private

The global list of block ids.

Definition at line 390 of file TriangleMesh.h.

◆ d_block_it

template<uint8_t NG>

std::vector<std::vector<IteratorSet> > AMP::Mesh::TriangleMesh< NG >::d_block_it

private

[id][gcw][type]

Definition at line 396 of file TriangleMesh.h.

◆ d_blockID

template<uint8_t NG>

std::vector<int> AMP::Mesh::TriangleMesh< NG >::d_blockID

private

The block id index for each triangle.

Definition at line 385 of file TriangleMesh.h.

◆ d_boundary_ids

template<uint8_t NG>

std::vector<int> AMP::Mesh::TriangleMesh< NG >::d_boundary_ids

private

The global list of boundary ids.

Definition at line 391 of file TriangleMesh.h.

◆ d_boundary_it

template<uint8_t NG>

std::vector<std::vector<IteratorSet> > AMP::Mesh::TriangleMesh< NG >::d_boundary_it

private

[id][gcw][type]

Definition at line 395 of file TriangleMesh.h.

◆ d_box

std::vector<double> AMP::Mesh::Mesh::d_box

protectedinherited

The bounding box for the mesh.

Definition at line 564 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getBoundingBox().

◆ d_box_local

std::vector<double> AMP::Mesh::Mesh::d_box_local

protectedinherited

The bounding box for the mesh.

Definition at line 565 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getLocalBoundingBox().

◆ d_childEdge

template<uint8_t NG>

StoreTriData<int, 2> AMP::Mesh::TriangleMesh< NG >::d_childEdge

private

The list of local children edges.

Definition at line 387 of file TriangleMesh.h.

◆ d_childFace

template<uint8_t NG>

StoreTriData<int, 3> AMP::Mesh::TriangleMesh< NG >::d_childFace

private

The list of local children faces.

Definition at line 388 of file TriangleMesh.h.

◆ d_comm

AMP_MPI AMP::Mesh::Mesh::d_comm

protectedinherited

The communicator over which the mesh is stored.

Definition at line 562 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getComm().

◆ d_geometry

std::shared_ptr<Geometry::Geometry> AMP::Mesh::Mesh::d_geometry

protectedinherited

The geometry parameters.

Definition at line 566 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getGeometry(), and AMP::Mesh::Mesh::getGeometry().

◆ d_globalNab

template<uint8_t NG>

std::vector<TRI> AMP::Mesh::TriangleMesh< NG >::d_globalNab

private

Store the global triangle neighbors.

Definition at line 384 of file TriangleMesh.h.

◆ d_globalTri

template<uint8_t NG>

StoreTriData<int, NG + 1> AMP::Mesh::TriangleMesh< NG >::d_globalTri

private

Store the global triangles.

Definition at line 383 of file TriangleMesh.h.

◆ d_isSurface

template<uint8_t NG>

std::vector<bool> AMP::Mesh::TriangleMesh< NG >::d_isSurface[NG+1]

private

Global list of surface elements.

Definition at line 392 of file TriangleMesh.h.

◆ d_iterators

template<uint8_t NG>

std::vector<IteratorSet> AMP::Mesh::TriangleMesh< NG >::d_iterators

private

[gcw][type]

Definition at line 393 of file TriangleMesh.h.

◆ d_max_gcw

uint8_t AMP::Mesh::Mesh::d_max_gcw

protectedinherited

The maximum ghost cell width.

Definition at line 560 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getMaxGhostWidth().

◆ d_meshID

MeshID AMP::Mesh::Mesh::d_meshID

protectedinherited

A unique id for each mesh.

Definition at line 561 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::meshID().

◆ d_N_global

template<uint8_t NG>

std::array<size_t, 4> AMP::Mesh::TriangleMesh< NG >::d_N_global = { 0 }

private

The number of global elements.

Definition at line 381 of file TriangleMesh.h.

◆ d_name

std::string AMP::Mesh::Mesh::d_name

protectedinherited

A name for the mesh.

Definition at line 563 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getName(), and AMP::Mesh::Mesh::setName().

◆ d_parents

template<uint8_t NG>

ElementList AMP::Mesh::TriangleMesh< NG >::d_parents[NG+1][NG+1]

private

Parent data.

Definition at line 389 of file TriangleMesh.h.

◆ d_pos_hash

template<uint8_t NG>

uint64_t AMP::Mesh::TriangleMesh< NG >::d_pos_hash = 0

private

Number of times position has changed.

Definition at line 397 of file TriangleMesh.h.

◆ d_remoteTri

template<uint8_t NG>

std::vector<std::vector<int> > AMP::Mesh::TriangleMesh< NG >::d_remoteTri

private

The unique ghost triangles for each gcw.

Definition at line 386 of file TriangleMesh.h.

◆ d_surface_it

template<uint8_t NG>

std::vector<IteratorSet> AMP::Mesh::TriangleMesh< NG >::d_surface_it

private

[gcw][type]

Definition at line 394 of file TriangleMesh.h.

◆ d_vertex

template<uint8_t NG>

StoreTriData<double, 3> AMP::Mesh::TriangleMesh< NG >::d_vertex

private

Store the global coordinates.

Definition at line 382 of file TriangleMesh.h.

◆ GeomDim

GeomType AMP::Mesh::Mesh::GeomDim

protectedinherited

The geometric dimension.

Definition at line 558 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getGeomType().

◆ PhysicalDim

uint8_t AMP::Mesh::Mesh::PhysicalDim

protectedinherited

The physical dimension.

Definition at line 559 of file Mesh.h.

Referenced by AMP::Mesh::Mesh::getDim().

◆ weak_ptr_

std::weak_ptr<AMP::Mesh::Mesh > AMP::enable_shared_from_this< AMP::Mesh::Mesh >::weak_ptr_

mutableprotectedinherited

Definition at line 69 of file enable_shared_from_this.h.

The documentation for this class was generated from the following file:

src/mesh/triangle/TriangleMesh.h

Public Types

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Private Member Functions

Private Attributes

Detailed Description

Member Typedef Documentation

◆ Edge

◆ ElementList

◆ ElementListPtr

◆ Face

◆ generatorType

◆ IteratorSet

◆ MeshElementPtr

◆ Point

◆ TRI

Member Enumeration Documentation

◆ Movable

Constructor & Destructor Documentation

◆ TriangleMesh() [1/5]

◆ TriangleMesh() [2/5]

◆ TriangleMesh() [3/5]

◆ ~TriangleMesh()

◆ TriangleMesh() [4/5]

◆ TriangleMesh() [5/5]

Member Function Documentation

◆ buildChildren()

◆ clone()

◆ compare()

◆ computeNodeParents()

◆ containsElement()

◆ createBlockIterators()

◆ createIterator()

◆ createSurfaceIterators()

◆ createView()

◆ displaceMesh() [1/2]

◆ displaceMesh() [2/2]

◆ estimateMeshSize()

◆ getAllMeshIDs()

◆ getBaseMeshIDs()

◆ getBlockIDIterator()

◆ getBlockIDs()

◆ getBoundaryIDIterator()

◆ getBoundaryIDs()

◆ getBoundingBox()

◆ getComm()

◆ getDim()

◆ getElem()

◆ getElement()

◆ getElement2()

◆ getElementParents() [1/2]

◆ getElementParents() [2/2]

◆ getElementsIDs()

◆ getGeometry() [1/2]

◆ getGeometry() [2/2]

◆ getGeomType()

◆ getID()

◆ getIterator() [1/5]

◆ getIterator() [2/5]

◆ getIterator() [3/5]

◆ getIterator() [4/5]

◆ getIterator() [5/5]

◆ getLocalBaseMeshIDs()

◆ getLocalBoundingBox()

◆ getLocalMeshIDs()

◆ getMaxGhostWidth()

◆ getName()

◆ getNeighborIDs()

◆ getParents()

◆ getPositionVector()

◆ getSurfaceIterator()

◆ getVertexCoord()

◆ inIterator()

◆ initialize()

◆ initializeBoundingBox()

◆ initializeIterators()

◆ isBaseMesh()