meshRefinement Class Reference

Helper class which maintains intersections of (changing) mesh with (static) surfaces. More...

Collaboration diagram for meshRefinement:


Public Types
enum	writeFlag { MESH = 1, SCALARLEVELS = 2, OBJINTERSECTIONS = 4 }
	Enumeration for debug dumping. More...
enum	mapType { MASTERONLY = 1, KEEPALL = 2, REMOVE = 4 }
	Enumeration for how the userdata is to be mapped upon refinement. More...
Public Member Functions
	ClassName ("meshRefinement")
	Runtime type information.
	meshRefinement (fvMesh &mesh, const scalar mergeDistance, const bool overwrite, const refinementSurfaces &, const shellSurfaces &)
	Construct from components.
const fvMesh &	mesh () const
	reference to mesh
fvMesh &	mesh ()
scalar	mergeDistance () const
bool	overwrite () const
	Overwrite the mesh?
const word &	oldInstance () const
	(points)instance of mesh upon construction
const refinementSurfaces &	surfaces () const
	reference to surface search engines
const shellSurfaces &	shells () const
	reference to refinement shells (regions)
const hexRef8 &	meshCutter () const
	reference to meshcutting engine
const labelList &	surfaceIndex () const
	per start-end edge the index of the surface hit
labelList &	surfaceIndex ()
const List< Tuple2< mapType, labelList > > &	userFaceData () const
	Additional face data that is maintained across.
List< Tuple2< mapType, labelList > > &	userFaceData ()
label	countHits () const
	Count number of intersections (local).
labelList	decomposeCombineRegions (const boolList &blockedFace, const List< labelPair > &explicitConnections, decompositionMethod &) const
	Helper function to get decomposition such that all connected.
autoPtr< mapDistributePolyMesh >	balance (const bool keepZoneFaces, const bool keepBaffles, decompositionMethod &decomposer, fvMeshDistribute &distributor)
	Redecompose according to cell count.
labelList	intersectedFaces () const
	Get faces with intersection.
labelList	intersectedPoints () const
	Get points on surfaces with intersection and boundary faces.
labelList	refineCandidates (const point &keepPoint, const scalar curvature, const PtrList< featureEdgeMesh > &featureMeshes, const labelList &featureLevels, const bool featureRefinement, const bool internalRefinement, const bool surfaceRefinement, const bool curvatureRefinement, const label maxGlobalCells, const label maxLocalCells) const
	Calculate list of cells to refine.
autoPtr< mapPolyMesh >	refine (const labelList &cellsToRefine)
	Refine some cells.
autoPtr< mapDistributePolyMesh >	refineAndBalance (const string &msg, decompositionMethod &decomposer, fvMeshDistribute &distributor, const labelList &cellsToRefine)
	Refine some cells and rebalance.
void	baffleAndSplitMesh (const bool handleSnapProblems, const bool removeEdgeConnectedCells, const scalarField &perpendicularAngle, const bool mergeFreeStanding, const dictionary &motionDict, Time &runTime, const labelList &globalToPatch, const point &keepPoint)
	Split off unreachable areas of mesh.
autoPtr< mapPolyMesh >	splitMesh (const label nBufferLayers, const labelList &globalToPatch, const point &keepPoint)
	Split off (with optional buffer layers) unreachable areas.
autoPtr< mapPolyMesh >	dupNonManifoldPoints ()
	Find boundary points that connect to more than one cell.
autoPtr< mapPolyMesh >	createBaffles (const labelList &ownPatch, const labelList &neiPatch)
	Create baffle for every internal face where ownPatch != -1.
List< labelPair >	getDuplicateFaces (const labelList &testFaces) const
	Return a list of coupled face pairs, i.e. faces that.
autoPtr< mapPolyMesh >	mergeBaffles (const List< labelPair > &)
	Merge baffles. Gets pairs of faces.
autoPtr< mapPolyMesh >	zonify (const point &keepPoint)
	Put faces/cells into zones according to surface specification.
label	addMeshedPatch (const word &name, const word &type)
	Add patch originating from meshing. Update meshedPatches_.
labelList	meshedPatches () const
	Get patchIDs for patches added in addMeshedPatch.
autoPtr< mapPolyMesh >	splitMeshRegions (const point &keepPoint)
	Split mesh. Keep part containing point.
void	distribute (const mapDistributePolyMesh &)
	Update local numbering for mesh redistribution.
void	updateMesh (const mapPolyMesh &, const labelList &changedFaces)
	Update for external change to mesh. changedFaces are in new mesh.
void	storeData (const labelList &pointsToStore, const labelList &facesToStore, const labelList &cellsToStore)
	Signal points/face/cells for which to store data.
void	updateMesh (const mapPolyMesh &, const labelList &changedFaces, const Map< label > &pointsToRestore, const Map< label > &facesToRestore, const Map< label > &cellsToRestore)
	Update local numbering + undo.
label	mergePatchFaces (const scalar minCos, const scalar concaveCos, const labelList &patchIDs)
	Merge faces on the same patch (usually from exposing refinement).
autoPtr< mapPolyMesh >	mergeEdges (const scalar minCos)
	Remove points not used by any face or points used.
void	checkData ()
	Debugging: check that all faces still obey start()>end().
template<class T >
void	testSyncBoundaryFaceList (const scalar mergeDistance, const string &, const UList< T > &, const UList< T > &) const
	Compare two lists over all boundary faces.
void	printMeshInfo (const bool, const string &) const
	Print some mesh stats.
word	timeName () const
	Replacement for Time::timeName() : return oldInstance (if.
void	setInstance (const fileName &)
	Set instance of all local IOobjects.
bool	write () const
	Write mesh and all data.
void	dumpRefinementLevel () const
	Write refinement level as volScalarFields for postprocessing.
void	dumpIntersections (const fileName &prefix) const
	Debug: Write intersection information to OBJ format.
void	write (const label flag, const fileName &) const
	Do any one of above IO functions. flag is combination of.
Static Public Member Functions
static autoPtr < indirectPrimitivePatch >	makePatch (const polyMesh &, const labelList &)
	Create patch from set of patches.
static tmp< pointVectorField >	makeDisplacementField (const pointMesh &pMesh, const labelList &adaptPatchIDs)
	Helper function to make a pointVectorField with correct.
static void	checkCoupledFaceZones (const polyMesh &)
	Helper function: check that face zones are synced.
static label	addPatch (fvMesh &, const word &name, const word &type)
	Helper:add patch to mesh. Update all registered fields.

Detailed Description

Helper class which maintains intersections of (changing) mesh with (static) surfaces.

Maintains

per face any intersections of the cc-cc segment with any of the surfaces

Source files

Definition at line 72 of file meshRefinement.H.

Member Enumeration Documentation

enum writeFlag

Enumeration for debug dumping.

Enumerator:

MESH
SCALARLEVELS
OBJINTERSECTIONS

Definition at line 80 of file meshRefinement.H.

enum mapType

Enumeration for how the userdata is to be mapped upon refinement.

Enumerator:

MASTERONLY	maintain master only
KEEPALL	have slaves (upon refinement) from master
REMOVE	set value to -1 any face that was refined

Definition at line 89 of file meshRefinement.H.

Constructor & Destructor Documentation

meshRefinement	(	fvMesh &	mesh,
		const scalar	mergeDistance,
		const bool	overwrite,
		const refinementSurfaces &	surfaces,
		const shellSurfaces &	shells
	)

Construct from components.

Definition at line 813 of file meshRefinement.C.

Member Function Documentation

ClassName ( "meshRefinement" )

Runtime type information.

const fvMesh& mesh ( ) const [inline]

reference to mesh

Definition at line 521 of file meshRefinement.H.

Referenced by autoSnapDriver::repatchToSurface().

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fvMesh& mesh ( ) [inline]

Definition at line 525 of file meshRefinement.H.

scalar mergeDistance ( ) const [inline]

Definition at line 530 of file meshRefinement.H.

bool overwrite ( ) const [inline]

Overwrite the mesh?

Definition at line 536 of file meshRefinement.H.

Referenced by meshRefinement::mergePatchFaces().

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const word& oldInstance ( ) const [inline]

(points)instance of mesh upon construction

Definition at line 542 of file meshRefinement.H.

Referenced by meshRefinement::mergePatchFaces().

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const refinementSurfaces& surfaces ( ) const [inline]

reference to surface search engines

Definition at line 548 of file meshRefinement.H.

Referenced by autoSnapDriver::repatchToSurface().

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const shellSurfaces& shells ( ) const [inline]

reference to refinement shells (regions)

Definition at line 554 of file meshRefinement.H.

const hexRef8& meshCutter ( ) const [inline]

reference to meshcutting engine

Definition at line 560 of file meshRefinement.H.

const labelList& surfaceIndex ( ) const [inline]

per start-end edge the index of the surface hit

Definition at line 566 of file meshRefinement.H.

labelList& surfaceIndex ( ) [inline]

Definition at line 571 of file meshRefinement.H.

const List<Tuple2<mapType, labelList> >& userFaceData ( ) const [inline]

Additional face data that is maintained across.

topo changes. Every entry is a list over all faces. Bit of a hack. Additional flag to say whether to maintain master only (false) or increase set to account for face-from-face.

Definition at line 582 of file meshRefinement.H.

List<Tuple2<mapType, labelList> >& userFaceData ( ) [inline]

Definition at line 587 of file meshRefinement.H.

Foam::label countHits ( ) const

Count number of intersections (local).

Definition at line 897 of file meshRefinement.C.

References Foam::identity().

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Foam::labelList decomposeCombineRegions	(	const boolList &	blockedFace,
		const List< labelPair > &	explicitConnections,
		decompositionMethod &	decomposer
	)			const

Helper function to get decomposition such that all connected.

regions get moved onto one processor. Used to prevent baffles straddling processor boundaries. explicitConnections is to keep pairs of non-coupled boundary faces together (e.g. to keep baffles together)

Definition at line 917 of file meshRefinement.C.

Foam::autoPtr< Foam::mapDistributePolyMesh > balance	(	const bool	keepZoneFaces,
		const bool	keepBaffles,
		decompositionMethod &	decomposer,
		fvMeshDistribute &	distributor
	)

Redecompose according to cell count.

keepZoneFaces : find all faceZones from zoned surfaces and keep owner and neighbour together keepBaffles : find all baffles and keep them together

Definition at line 1049 of file meshRefinement.C.

Foam::labelList intersectedFaces ( ) const

Get faces with intersection.

Definition at line 1199 of file meshRefinement.C.

Foam::labelList intersectedPoints ( ) const

Get points on surfaces with intersection and boundary faces.

Definition at line 1226 of file meshRefinement.C.

Foam::autoPtr< Foam::indirectPrimitivePatch > makePatch	(	const polyMesh &	mesh,
		const labelList &	patchIDs
	)			`[static]`

Create patch from set of patches.

Definition at line 1295 of file meshRefinement.C.

Referenced by autoSnapDriver::repatchToSurface().

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Foam::tmp< Foam::pointVectorField > makeDisplacementField	(	const pointMesh &	pMesh,
		const labelList &	adaptPatchIDs
	)			`[static]`

Helper function to make a pointVectorField with correct.

bcs for mesh movement:

adaptPatchIDs : fixedValue
processor : calculated (so free to move)
cyclic/wedge/symmetry : slip
other : slip

Definition at line 1341 of file meshRefinement.C.

void checkCoupledFaceZones ( const polyMesh & mesh ) [static]

Helper function: check that face zones are synced.

Definition at line 1396 of file meshRefinement.C.

Referenced by autoHexMeshDriver::autoHexMeshDriver().

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Foam::labelList refineCandidates	(	const point &	keepPoint,
		const scalar	curvature,
		const PtrList< featureEdgeMesh > &	featureMeshes,
		const labelList &	featureLevels,
		const bool	featureRefinement,
		const bool	internalRefinement,
		const bool	surfaceRefinement,
		const bool	curvatureRefinement,
		const label	maxGlobalCells,
		const label	maxLocalCells
	)			const

Calculate list of cells to refine.

Disable refinement shortcut. nAllowRefine is per processor limit.

Definition at line 1039 of file meshRefinementRefine.C.

References Foam::endl(), forAll, polyMesh::globalData(), Foam::Info, refinementSurfaces::maxLevel(), refinementSurfaces::minLevel(), primitiveMesh::nCells(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), Pstream::nProcs(), and globalMeshData::nTotalCells().

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Foam::autoPtr< Foam::mapPolyMesh > refine ( const labelList & cellsToRefine )

Refine some cells.

Definition at line 1199 of file meshRefinementRefine.C.

Foam::autoPtr< Foam::mapDistributePolyMesh > refineAndBalance	(	const string &	msg,
		decompositionMethod &	decomposer,
		fvMeshDistribute &	distributor,
		const labelList &	cellsToRefine
	)

Refine some cells and rebalance.

Definition at line 1242 of file meshRefinementRefine.C.

void baffleAndSplitMesh	(	const bool	handleSnapProblems,
		const bool	removeEdgeConnectedCells,
		const scalarField &	perpendicularAngle,
		const bool	mergeFreeStanding,
		const dictionary &	motionDict,
		Time &	runTime,
		const labelList &	globalToPatch,
		const point &	keepPoint
	)

Split off unreachable areas of mesh.

Definition at line 1443 of file meshRefinementBaffles.C.

Foam::autoPtr< Foam::mapPolyMesh > splitMesh	(	const label	nBufferLayers,
		const labelList &	globalToPatch,
		const point &	keepPoint
	)

Split off (with optional buffer layers) unreachable areas.

of mesh. Does not introduce baffles.

Definition at line 1680 of file meshRefinementBaffles.C.

Foam::autoPtr< Foam::mapPolyMesh > dupNonManifoldPoints ( )

Find boundary points that connect to more than one cell.

region and split them.

Definition at line 1969 of file meshRefinementBaffles.C.

Foam::autoPtr< Foam::mapPolyMesh > createBaffles	(	const labelList &	ownPatch,
		const labelList &	neiPatch
	)

Create baffle for every internal face where ownPatch != -1.

External faces get repatched according to ownPatch (neiPatch should be -1 for these)

Redo the intersections on the newly create baffle faces. Note that

this changes also the cell centre positions.

Definition at line 375 of file meshRefinementBaffles.C.

Foam::List< Foam::labelPair > getDuplicateFaces ( const labelList & testFaces ) const

Return a list of coupled face pairs, i.e. faces that.

use the same vertices.

Definition at line 523 of file meshRefinementBaffles.C.

Foam::autoPtr< Foam::mapPolyMesh > mergeBaffles ( const List< labelPair > & couples )

Merge baffles. Gets pairs of faces.

Definition at line 733 of file meshRefinementBaffles.C.

Foam::autoPtr< Foam::mapPolyMesh > zonify ( const point & keepPoint )

Put faces/cells into zones according to surface specification.

Returns null if no zone surfaces present. Region containing the keepPoint will not be put into a cellZone.

Definition at line 2027 of file meshRefinementBaffles.C.

Foam::label addPatch	(	fvMesh &	mesh,
		const word &	name,
		const word &	type
	)			`[static]`

Helper:add patch to mesh. Update all registered fields.

Use addMeshedPatch to add patches originating from surfaces.

Definition at line 1493 of file meshRefinement.C.

Foam::label addMeshedPatch	(	const word &	name,
		const word &	type
	)

Add patch originating from meshing. Update meshedPatches_.

Definition at line 1664 of file meshRefinement.C.

Foam::labelList meshedPatches ( ) const

Get patchIDs for patches added in addMeshedPatch.

Definition at line 1691 of file meshRefinement.C.

Foam::autoPtr< Foam::mapPolyMesh > splitMeshRegions ( const point & keepPoint )

Split mesh. Keep part containing point.

Definition at line 1711 of file meshRefinement.C.

void distribute ( const mapDistributePolyMesh & map )

Update local numbering for mesh redistribution.

Definition at line 1790 of file meshRefinement.C.

void updateMesh	(	const mapPolyMesh &	map,
		const labelList &	changedFaces
	)

Update for external change to mesh. changedFaces are in new mesh.

face labels.

Definition at line 1848 of file meshRefinement.C.

Referenced by meshRefinement::mergePatchFaces(), and meshRefinement::storeData().

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void storeData	(	const labelList &	pointsToStore,
		const labelList &	facesToStore,
		const labelList &	cellsToStore
	)

Signal points/face/cells for which to store data.

Definition at line 1860 of file meshRefinement.C.

References meshRefinement::updateMesh().

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void updateMesh	(	const mapPolyMesh &	map,
		const labelList &	changedFaces,
		const Map< label > &	pointsToRestore,
		const Map< label > &	facesToRestore,
		const Map< label > &	cellsToRestore
	)

Update local numbering + undo.

Data to restore given as new pointlabel + stored pointlabel (i.e. what was in pointsToStore)

Definition at line 1877 of file meshRefinement.C.

Foam::label mergePatchFaces	(	const scalar	minCos,
		const scalar	concaveCos,
		const labelList &	patchIDs
	)

Merge faces on the same patch (usually from exposing refinement).

Returns global number of faces merged.

Definition at line 27 of file meshRefinementMerge.C.

References polyMesh::boundaryMesh(), primitiveMesh::cells(), polyTopoChange::changeMesh(), fvMesh::clearOut(), polyPatch::coupled(), Foam::endl(), polyMesh::faceOwner(), forAll, combineFaces::getMergeSets(), Foam::Info, fvMesh::movePoints(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), meshRefinement::oldInstance(), meshRefinement::overwrite(), patches, Foam::returnReduce(), polyMesh::setInstance(), combineFaces::setRefinement(), polyPatch::start(), meshRefinement::updateMesh(), fvMesh::updateMesh(), and combineFaces::updateMesh().

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Foam::autoPtr< Foam::mapPolyMesh > mergeEdges ( const scalar minCos )

Remove points not used by any face or points used.

by only two faces where the edges are in line

Definition at line 135 of file meshRefinementMerge.C.

void checkData ( )

Debugging: check that all faces still obey start()>end().

Definition at line 242 of file meshRefinement.C.

Referenced by autoRefineDriver::doRefine().

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void testSyncBoundaryFaceList	(	const scalar	mergeDistance,
		const string &	msg,
		const UList< T > &	faceData,
		const UList< T > &	syncedFaceData
	)			const `[inline]`

Compare two lists over all boundary faces.

Definition at line 55 of file meshRefinementTemplates.C.

void printMeshInfo	(	const bool	debug,
		const string &	msg
	)			const

Print some mesh stats.

Definition at line 2010 of file meshRefinement.C.

Foam::word timeName ( ) const

Replacement for Time::timeName() : return oldInstance (if.

Return either time().constant() or oldInstance.

overwrite_)

Definition at line 2058 of file meshRefinement.C.

References Foam::Info.

void setInstance ( const fileName & inst )

Set instance of all local IOobjects.

Definition at line 414 of file meshRefinement.C.

bool write ( ) const

Write mesh and all data.

Definition at line 1971 of file meshRefinement.C.

void dumpRefinementLevel ( ) const

Write refinement level as volScalarFields for postprocessing.

Definition at line 2071 of file meshRefinement.C.

void dumpIntersections ( const fileName & prefix ) const

Debug: Write intersection information to OBJ format.

Definition at line 2126 of file meshRefinement.C.

void write	(	const label	flag,
		const fileName &	prefix
	)			const

Do any one of above IO functions. flag is combination of.

writeFlag values.

Definition at line 2206 of file meshRefinement.C.

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

src/autoMesh/autoHexMesh/meshRefinement/meshRefinement.H
src/autoMesh/autoHexMesh/meshRefinement/meshRefinement.C
src/autoMesh/autoHexMesh/meshRefinement/meshRefinementBaffles.C
src/autoMesh/autoHexMesh/meshRefinement/meshRefinementMerge.C
src/autoMesh/autoHexMesh/meshRefinement/meshRefinementProblemCells.C
src/autoMesh/autoHexMesh/meshRefinement/meshRefinementRefine.C
src/autoMesh/autoHexMesh/meshRefinement/meshRefinementTemplates.C

meshRefinement Class Reference

Public Types

Public Member Functions

Static Public Member Functions

Detailed Description

Member Enumeration Documentation

Constructor & Destructor Documentation

Member Function Documentation