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...

	edgeCollapser (const edgeCollapser &)=delete
	Disallow default bitwise copy construction. More...

void	consistentCollapse (const globalIndex &globalPoints, const labelList &pointPriority, const Map< point > &collapsePointToLocation, PackedBoolList &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, PackedBoolList &collapseEdge, Map< point > &collapsePointToLocation) const
	Mark (in collapseEdge) any edges to collapse. More...

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

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

void	operator= (const edgeCollapser &)=delete
	Disallow default bitwise assignment. More...

Static Public Member Functions
static HashSet< label >	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, PackedBoolList &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 66 of file edgeCollapser.H.

Member Enumeration Documentation

◆ collapseType

enum collapseType

Enumerator
noCollapse
toPoint
toEdge

Definition at line 71 of file edgeCollapser.H.

Constructor & Destructor Documentation

◆ edgeCollapser() [1/3]

edgeCollapser ( const polyMesh & mesh )

Construct from mesh.

Definition at line 1201 of file edgeCollapser.C.

◆ edgeCollapser() [2/3]

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

Construct from mesh and dict.

Definition at line 1212 of file edgeCollapser.C.

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

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◆ edgeCollapser() [3/3]

edgeCollapser ( const edgeCollapser & )

delete

Disallow default bitwise copy construction.

Member Function Documentation

◆ ClassName()

ClassName ( "edgeCollapser" )

Runtime type information.

◆ checkBadFaces()

Foam::HashSet< Foam::label > checkBadFaces	(	const polyMesh &	mesh,
		const dictionary &	meshQualityDict
	)

static

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

Definition at line 46 of file edgeCollapser.C.

References motionSmootherAlgo::checkMesh(), edgeCollapser::checkMeshQuality(), Foam::endl(), primitiveMesh::faceAreas(), forAll, Foam::Info, Foam::mag(), and primitiveMesh::nFaces().

Referenced by edgeCollapser::checkMeshQuality().

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◆ checkMeshQuality()

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

static

Check mesh and mark points on faces in error.

Returns boolList with points in error set

Definition at line 82 of file edgeCollapser.C.

References Foam::abort(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::append(), face::centre(), edgeCollapser::checkBadFaces(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::clear(), List< T >::clear(), HashTable< T, Key, Hash >::clear(), collapseEdge(), Foam::count(), polyPatch::coupled(), Foam::det(), Foam::e, face::edges(), Foam::eigenValues(), Foam::eigenVectors(), UList< T >::empty(), edge::end(), Foam::endl(), f(), polyPatch::faceCells(), polyMesh::faces(), Foam::FatalError, FatalErrorInFunction, UList< T >::fcIndex(), Foam::findIndex(), UList< T >::first(), forAll, forAllConstIter, HashTable< T, label, Hash< label > >::found(), HashTable< T, Key, Hash >::found(), face::inertia(), Foam::inplaceReorder(), HashSet< Key, Hash >::insert(), Foam::invert(), Foam::labelMax, Foam::labelMin, UList< T >::last(), Foam::longestEdge(), face::mag(), Foam::mag(), Foam::magSqr(), Foam::max(), newPointi, edge::otherVertex(), patches, patchi, pointLabels(), points, Foam::pow(), face::prevLabel(), Foam::returnReduce(), HashTable< T, label, Hash< label > >::set(), List< T >::setSize(), List< T >::size(), VectorSpace< Form, Cmpt, Ncmpts >::size(), HashTable< T, Key, Hash >::size(), UList< T >::size(), Foam::sortedOrder(), Foam::sqr(), Foam::sqrt(), edge::start(), polyPatch::start(), syncTools::swapBoundaryFaceList(), syncTools::syncPointList(), globalIndex::toGlobal(), Foam::toPoint(), WarningInFunction, Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Foam::Zero.

Referenced by edgeCollapser::checkBadFaces(), polyMeshFilter::copyMesh(), and polyMeshFilter::filterEdges().

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◆ consistentCollapse()

void consistentCollapse	(	const globalIndex &	globalPoints,
		const labelList &	pointPriority,
		const Map< point > &	collapsePointToLocation,
		PackedBoolList &	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 1624 of file edgeCollapser.C.

References Foam::abort(), cells, primitiveMesh::cells(), primitiveMesh::edges(), Foam::endl(), primitiveMesh::faceEdges(), polyMesh::faces(), Foam::FatalError, FatalErrorInFunction, forAll, Foam::Info, edgeCollapser::markSmallEdges(), primitiveMesh::nEdges(), primitiveMesh::nFaces(), Foam::nl, primitiveMesh::nPoints(), primitiveMesh::pointEdges(), Foam::reduce(), Foam::returnReduce(), List< T >::size(), syncTools::syncEdgeList(), and syncTools::syncPointList().

Referenced by edgeCollapser::setRefinement().

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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 1252 of file edgeCollapser.C.

References List< T >::append(), polyMesh::boundaryMesh(), cells, primitiveMesh::cells(), pointEdgeCollapse::collapseIndex(), edgeCollapser::consistentCollapse(), Foam::decrIndent(), HashTableCore::end(), Foam::endl(), polyMesh::faceNeighbour(), polyMesh::faceOwner(), polyMesh::faces(), polyMesh::faceZones(), HashTable< T, Key, Hash >::find(), faceZone::flipMap(), forAll, forAllConstIter, Foam::incrIndent(), Foam::indent(), Foam::Info, HashTable< T, label, Hash< label > >::insert(), primitiveMesh::isInternalFace(), polyTopoChange::modifyFace(), polyTopoChange::modifyPoint(), primitiveMesh::nCells(), primitiveMesh::nFaces(), Foam::nl, nPoints, primitiveMesh::nPoints(), primitiveMesh::pointFaces(), polyMesh::pointZones(), Foam::Pout, Foam::reduce(), polyTopoChange::removeCell(), polyTopoChange::removeFace(), polyTopoChange::removePoint(), List< T >::size(), faceZone::whichFace(), polyBoundaryMesh::whichPatch(), and MeshZones< ZoneType, MeshType >::whichZone().

Referenced by edgeCollapser::edgeCollapser().

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◆ markSmallEdges()

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

Mark (in collapseEdge) any edges to collapse.

Definition at line 1799 of file edgeCollapser.C.

References Foam::average(), primitiveMesh::edges(), edge::end(), forAll, edge::mag(), edgeCollapser::markMergeEdges(), points, polyMesh::points(), HashTable< T, label, Hash< label > >::set(), and edge::start().

Referenced by edgeCollapser::consistentCollapse().

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◆ markMergeEdges()

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

Mark (in collapseEdge) any edges to merge.

Definition at line 1851 of file edgeCollapser.C.

References removePoints::countPointUsage(), primitiveMesh::edges(), forAll, Foam::mag(), edgeCollapser::markSmallSliverFaces(), primitiveMesh::pointEdges(), points, polyMesh::points(), and List< T >::size().

Referenced by edgeCollapser::markSmallEdges().

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◆ markSmallSliverFaces()

Foam::labelPair markSmallSliverFaces	(	const scalarField &	faceFilterFactor,
		const labelList &	pointPriority,
		PackedBoolList &	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 conjunctions with edgeCollapser to synchronise the collapses and modify the mesh

Definition at line 1938 of file edgeCollapser.C.

References Foam::abort(), polyMesh::faces(), Foam::FatalError, FatalErrorInFunction, forAll, edgeCollapser::markFaceZoneEdges(), edgeCollapser::noCollapse, edgeCollapser::toEdge, and edgeCollapser::toPoint.

Referenced by edgeCollapser::markMergeEdges().

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◆ markFaceZoneEdges()

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

Marks edges in the faceZone indirectPatchFaces for collapse.

Definition at line 1999 of file edgeCollapser.C.

References Foam::abort(), polyMesh::faces(), Foam::FatalError, FatalErrorInFunction, forAll, edgeCollapser::noCollapse, edgeCollapser::toEdge, edgeCollapser::toPoint, and faceZone::whichFace().

Referenced by edgeCollapser::markSmallSliverFaces().

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◆ operator=()

void operator= ( const edgeCollapser & )

delete

Disallow default bitwise assignment.

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() [1/3]

◆ edgeCollapser() [2/3]

◆ edgeCollapser() [3/3]

Member Function Documentation

◆ ClassName()

◆ checkBadFaces()

◆ checkMeshQuality()

◆ consistentCollapse()

◆ setRefinement()

◆ markSmallEdges()

◆ markMergeEdges()

◆ markSmallSliverFaces()

◆ markFaceZoneEdges()

◆ operator=()