Does polyTopoChanges to remove edges. Can remove faces due to edge collapse but can not remove cells due to face removal! Also removes unused points. More...

Public Types
enum	collapseType { noCollapse = 0 , toPoint = 1 , toEdge = 2 }

Public Member Functions
	ClassName ("edgeCollapser")
	Runtime type information. More...

	edgeCollapser (const polyMesh &mesh)
	Construct from mesh. More...

	edgeCollapser (const polyMesh &mesh, const dictionary &dict)
	Construct from mesh and dict. More...

void	consistentCollapse (const globalIndex &globalPoints, const labelList &pointPriority, const Map< point > &collapsePointToLocation, bitSet &collapseEdge, List< pointEdgeCollapse > &allPointInfo, const bool allowCellCollapse=false) const
	Ensure that the collapse is parallel consistent and update. More...

bool	setRefinement (const List< pointEdgeCollapse > &allPointInfo, polyTopoChange &meshMod) const
	Play commands into polyTopoChange to create mesh. More...

label	markSmallEdges (const scalarField &minEdgeLen, const labelList &pointPriority, bitSet &collapseEdge, Map< point > &collapsePointToLocation) const
	Mark (in collapseEdge) any edges to collapse. More...

label	markMergeEdges (const scalar maxCos, const labelList &pointPriority, bitSet &collapseEdge, Map< point > &collapsePointToLocation) const
	Mark (in collapseEdge) any edges to merge. More...

labelPair	markSmallSliverFaces (const scalarField &faceFilterFactor, const labelList &pointPriority, bitSet &collapseEdge, Map< point > &collapsePointToLocation) const
	Find small faces and sliver faces in the mesh and mark the. More...

labelPair	markFaceZoneEdges (const faceZone &fZone, const scalarField &faceFilterFactor, const labelList &pointPriority, bitSet &collapseEdge, Map< point > &collapsePointToLocation) const
	Marks edges in the faceZone indirectPatchFaces for collapse. More...

Static Public Member Functions
static labelHashSet	checkBadFaces (const polyMesh &mesh, const dictionary &meshQualityDict)
	Calls motionSmoother::checkMesh and returns a set of bad faces. More...

static label	checkMeshQuality (const polyMesh &mesh, const dictionary &meshQualityDict, bitSet &isErrorPoint)
	Check mesh and mark points on faces in error. More...

Detailed Description

Does polyTopoChanges to remove edges. Can remove faces due to edge collapse but can not remove cells due to face removal! Also removes unused points.

Source files

Definition at line 68 of file edgeCollapser.H.

Member Enumeration Documentation

◆ collapseType

enum collapseType

Enumerator
noCollapse
toPoint
toEdge

Definition at line 73 of file edgeCollapser.H.

Constructor & Destructor Documentation

◆ edgeCollapser() [1/2]

edgeCollapser ( const polyMesh & mesh )

explicit

Construct from mesh.

Definition at line 1198 of file edgeCollapser.C.

◆ edgeCollapser() [2/2]

edgeCollapser	(	const polyMesh &	mesh,
		const dictionary &	dict
	)

Construct from mesh and dict.

Definition at line 1208 of file edgeCollapser.C.

References Foam::endl(), Foam::Info, and Foam::nl.

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Member Function Documentation

◆ ClassName()

ClassName ( "edgeCollapser" )

Runtime type information.

◆ checkBadFaces()

Foam::labelHashSet checkBadFaces	(	const polyMesh &	mesh,
		const dictionary &	meshQualityDict
	)

static

Calls motionSmoother::checkMesh and returns a set of bad faces.

Definition at line 50 of file edgeCollapser.C.

References DynamicList< T, SizeMin >::append(), hexRef8::checkMesh(), Foam::endl(), primitiveMesh::faceAreas(), forAll, Foam::Info, Foam::mag(), mesh, and primitiveMesh::nFaces().

Referenced by edgeCollapser::checkMeshQuality().

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◆ checkMeshQuality()

Foam::label checkMeshQuality	(	const polyMesh &	mesh,
		const dictionary &	meshQualityDict,
		bitSet &	isErrorPoint
	)

static

Check mesh and mark points on faces in error.

Returns boolList with points in error set

Definition at line 86 of file edgeCollapser.C.

References edgeCollapser::checkBadFaces(), f(), polyMesh::faces(), mesh, Foam::returnReduce(), bitSet::set(), HashTable< T, Key, Hash >::size(), and syncTools::syncPointList().

Referenced by polyMeshFilter::filterEdges().

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◆ consistentCollapse()

void consistentCollapse	(	const globalIndex &	globalPoints,
		const labelList &	pointPriority,
		const Map< point > &	collapsePointToLocation,
		bitSet &	collapseEdge,
		List< pointEdgeCollapse > &	allPointInfo,
		const bool	allowCellCollapse = `false`
	)		const

Ensure that the collapse is parallel consistent and update.

allPointInfo. Returns a list of edge collapses that is consistent across coupled boundaries and a list of pointEdgeCollapses.

Definition at line 1609 of file edgeCollapser.C.

References Foam::abort(), cells, collapseEdge(), Foam::endl(), f(), Foam::FatalError, FatalErrorInFunction, forAll, Foam::Info, nFaces(), Foam::nl, Foam::reduce(), Foam::returnReduce(), bitSet::set(), UList< T >::size(), syncTools::syncEdgeList(), syncTools::syncPointList(), bitSet::test(), and bitSet::unset().

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◆ setRefinement()

bool setRefinement	(	const List< pointEdgeCollapse > &	allPointInfo,
		polyTopoChange &	meshMod
	)		const

Play commands into polyTopoChange to create mesh.

Return true if anything changed.

Definition at line 1248 of file edgeCollapser.C.

References cells, pointEdgeCollapse::collapseIndex(), Foam::decrIndent(), Foam::endl(), f(), faceZone::flipMap(), forAll, forAllConstIters, Foam::incrIndent(), Foam::indent(), Foam::Info, HashTable< T, Key, Hash >::insert(), polyTopoChange::modifyFace(), polyTopoChange::modifyPoint(), nFaces(), Foam::nl, nPoints, patchID, Foam::Pout, Foam::reduce(), polyTopoChange::removeCell(), polyTopoChange::removeFace(), polyTopoChange::removePoint(), HashTable< T, Key, Hash >::resize(), bitSet::set(), HashTable< T, Key, Hash >::size(), UList< T >::size(), bitSet::test(), faceZone::whichFace(), ZoneMesh< ZoneType, MeshType >::whichZone(), and zoneID.

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◆ markSmallEdges()

Foam::label markSmallEdges	(	const scalarField &	minEdgeLen,
		const labelList &	pointPriority,
		bitSet &	collapseEdge,
		Map< point > &	collapsePointToLocation
	)		const

Mark (in collapseEdge) any edges to collapse.

Definition at line 1799 of file edgeCollapser.C.

References Foam::average(), collapseEdge(), e, UList< T >::end(), forAll, points, and HashTable< T, Key, Hash >::set().

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◆ markMergeEdges()

Foam::label markMergeEdges	(	const scalar	maxCos,
		const labelList &	pointPriority,
		bitSet &	collapseEdge,
		Map< point > &	collapsePointToLocation
	)		const

Mark (in collapseEdge) any edges to merge.

Definition at line 1850 of file edgeCollapser.C.

References collapseEdge(), removePoints::countPointUsage(), forAll, Foam::mag(), points, and UList< T >::size().

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◆ markSmallSliverFaces()

Foam::labelPair markSmallSliverFaces	(	const scalarField &	faceFilterFactor,
		const labelList &	pointPriority,
		bitSet &	collapseEdge,
		Map< point > &	collapsePointToLocation
	)		const

Find small faces and sliver faces in the mesh and mark the.

edges that need to be collapsed in order to remove these faces. Also returns a map of new locations for points that will move as a result of the collapse. Use in conjunction with edgeCollapser to synchronise the collapses and modify the mesh

Definition at line 1937 of file edgeCollapser.C.

References Foam::abort(), collapseEdge(), f(), Foam::FatalError, FatalErrorInFunction, forAll, and Foam::toPoint().

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◆ markFaceZoneEdges()

Foam::labelPair markFaceZoneEdges	(	const faceZone &	fZone,
		const scalarField &	faceFilterFactor,
		const labelList &	pointPriority,
		bitSet &	collapseEdge,
		Map< point > &	collapsePointToLocation
	)		const

Marks edges in the faceZone indirectPatchFaces for collapse.

Definition at line 1998 of file edgeCollapser.C.

References Foam::abort(), collapseEdge(), f(), Foam::FatalError, FatalErrorInFunction, forAll, Foam::toPoint(), and faceZone::whichFace().

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

src/dynamicMesh/polyTopoChange/polyTopoChange/edgeCollapser.H
src/dynamicMesh/polyTopoChange/polyTopoChange/edgeCollapser.C

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Enumeration Documentation

◆ collapseType

Constructor & Destructor Documentation

◆ edgeCollapser() [1/2]

◆ edgeCollapser() [2/2]

Member Function Documentation

◆ ClassName()

◆ checkBadFaces()

◆ checkMeshQuality()

◆ consistentCollapse()

◆ setRefinement()

◆ markSmallEdges()

◆ markMergeEdges()

◆ markSmallSliverFaces()

◆ markFaceZoneEdges()