Inverse-distance-weighted interpolation stencil. More...

Inheritance diagram for inverseDistance:

Collaboration diagram for inverseDistance:

Classes
struct	interpolatedDonorSet
	Data for a set of interpolated/donor set. More...

Public Member Functions
	TypeName ("inverseDistance")
	Runtime type information. More...

	inverseDistance (const fvMesh &, const dictionary &, const bool)
	Construct from fvMesh. More...

virtual	~inverseDistance ()
	Destructor. More...

virtual bool	update ()
	Update stencils. Return false if nothing changed. More...

virtual const labelUList &	cellTypes () const
	Return the cell type list. More...

virtual const labelUList &	interpolationCells () const
	Indices of interpolated cells. More...

virtual const mapDistribute &	cellInterpolationMap () const
	Return a communication schedule. More...

virtual const labelListList &	cellStencil () const
	Per interpolated cell the neighbour cells (in terms of slots as. More...

virtual const scalarListList &	cellInterpolationWeights () const
	Weights for cellStencil. More...

virtual const scalarList &	cellInterpolationWeight () const
	Per interpolated cell the interpolation factor. (0 = use. More...

virtual void	stencilWeights (const point &sample, const pointList &donorCcs, scalarList &weights) const
	Calculate inverse distance weights for a single acceptor. More...

Public Member Functions inherited from cellCellStencil
	TypeName ("cellCellStencil")
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, cellCellStencil, mesh,(const fvMesh &mesh, const dictionary &dict, const bool update),(mesh, dict, update))

	cellCellStencil (const fvMesh &)
	Construct from fvMesh. More...

virtual	~cellCellStencil ()
	Destructor. More...

virtual const wordHashSet &	nonInterpolatedFields () const
	Return the names of any (stencil or mesh specific) fields that. More...

virtual wordHashSet &	nonInterpolatedFields ()
	Return non-const non-interpolating fields. More...

bool	localStencil (const labelUList &) const
	Helper: is stencil fully local. More...

const labelIOList &	zoneID () const
	Helper: get reference to registered zoneID. Loads volScalarField. More...

template<class T >
void	interpolate (const fvMesh &mesh, Field< T > &psi) const
	Explicit interpolation of acceptor cells from donor cells. Looks up cellCellStencil. More...

template<class GeoField >
void	interpolate (GeoField &psi) const
	Explicit interpolation of acceptor cells from donor cells with boundary condition handling. More...

template<class GeoField >
void	interpolate (const fvMesh &mesh, const wordHashSet &suppressed) const
	Explicit interpolation of all registered fields. No boundary conditions. Excludes selected fields (and their old-time fields) More...

void	walkFront (const globalIndex &globalCells, const scalar layerRelax, const labelListList &allStencil, labelList &allCellTypes, scalarField &allWeight, const scalarList &compactCellVol, const labelListList &compactStencil, const labelList &zoneID, const label holeLayers, const label useLayer) const
	Surround holes with layer(s) of interpolated cells. More...

void	setUpFront (const labelList &allCellTypes, bitSet &isFront) const
	Set up front using allCellTypes. More...

void	setUpFrontOnOversetPatch (const labelList &allCellTypes, bitSet &isFront) const
	Set up front on overset patches. More...

void	seedCell (const label cellI, const scalar wantedFraction, bitSet &isFront, scalarField &fraction) const
	Seed faces of cell with wantedFraction (if higher than current) More...

InfoProxy< cellCellStencil >	info () const noexcept
	Return info proxy, used to print stencil information to a stream. More...

template<class Type >
Foam::tmp< Foam::volScalarField >	createField (const fvMesh &mesh, const word &name, const UList< Type > &psi)

Protected Member Functions
void	markPatchesAsHoles (PstreamBuffers &pBufs, const PtrList< fvMeshSubset > &meshParts, const List< treeBoundBoxList > &patchBb, const List< labelVector > &patchDivisions, const PtrList< PackedList< 2 >> &patchParts, const label srcI, const label tgtI, labelList &allCellTypes) const
	Mark all cells overlapping (a voxel covered by) a src patch. More...

bool	betterDonor (const label destMesh, const label currentDonorMesh, const label newDonorMesh) const
	If multiple donors meshes: decide which is best. More...

void	markDonors (const globalIndex &globalCells, PstreamBuffers &pBufs, const PtrList< fvMeshSubset > &meshParts, const List< treeBoundBoxList > &meshBb, const labelList &allCellTypes, const label srcI, const label tgtI, labelListList &allStencil, labelList &allDonor) const
	Determine donors for all tgt cells. More...

void	uncompactedRegionSplit (const fvMesh &mesh, const globalIndex &globalFaces, const label nZones, const labelList &zoneID, const labelList &cellTypes, const boolList &isBlockedFace, labelList &cellRegion) const
	Replacement of regionSplit. More...

autoPtr< globalIndex >	compactedRegionSplit (const fvMesh &mesh, const globalIndex &globalFaces, labelList &cellRegion) const

void	findHoles (const globalIndex &globalCells, const fvMesh &mesh, const labelList &zoneID, const labelListList &stencil, labelList &cellTypes) const
	Do flood filling to detect unreachable (from patches) sections. More...

void	seedCell (const label cellI, const scalar wantedFraction, bitSet &isFront, scalarField &fraction) const
	Seed faces of cell with wantedFraction (if higher than current) More...

virtual void	createStencil (const globalIndex &, const bool allowHoleDonors)
	Create stencil starting from the donor containing the acceptor allowHoleDonors : allow donors of type HOLE (otherwise are filtered out) More...

void	holeExtrapolationStencil (const globalIndex &globalCells)
	Make holes next to live ones type SPECIAL and include in interpolation stencil. More...

Static Protected Member Functions
static label	index (const labelVector &nDivs, const labelVector &)
	Convert ijk indices into single index. More...

static labelVector	index3 (const labelVector &nDivs, const label)
	Convert single index into ijk. More...

static labelVector	index3 (const boundBox &bb, const labelVector &nDivs, const point &pt)
	Convert coordinate into ijk. More...

static point	position (const boundBox &bb, const labelVector &nDivs, const label boxI)
	Convert index back into coordinate. More...

static void	fill (PackedList< 2 > &elems, const boundBox &bb, const labelVector &nDivs, const boundBox &subBb, const unsigned int val)
	Fill all elements overlapping subBb with value val. More...

static bool	overlaps (const boundBox &bb, const labelVector &nDivs, const PackedList< 2 > &voxels, const treeBoundBox &subBb, const unsigned int val)
	Is any voxel inside subBb set to val. More...

static void	markBoundaries (const fvMesh &mesh, const vector &smallVec, const boundBox &bb, const labelVector &nDivs, PackedList< 2 > &patchTypes, const labelList &cellMap, labelList &patchCellTypes)
	Mark voxels of patchTypes with type of patch face. More...

Static Protected Member Functions inherited from cellCellStencil
template<class Type >
static tmp< volScalarField >	createField (const fvMesh &mesh, const word &name, const UList< Type > &)
	Helper: create volScalarField for postprocessing. More...

static word	baseName (const word &name)
	Helper: strip off trailing _0. More...

Protected Attributes
const dictionary	dict_
	Dictionary of motion control parameters. More...

const bool	allowHoleDonors_
	Allow holes as donors. More...

const bool	allowInterpolatedDonors_
	Allow interpolared as donors. More...

vector	smallVec_
	Small perturbation vector for geometric tests. More...

labelList	cellTypes_
	Per cell the cell type. More...

labelList	interpolationCells_
	Indices of interpolated cells. More...

autoPtr< mapDistribute >	cellInterpolationMap_
	Fetch interpolated cells. More...

labelListList	cellStencil_
	Interpolation stencil. More...

scalarListList	cellInterpolationWeights_
	Interpolation weights. More...

volScalarField	cellInterpolationWeight_
	Amount of interpolation. More...

Protected Attributes inherited from cellCellStencil
const fvMesh &	mesh_
	Reference to the mesh. More...

wordHashSet	nonInterpolatedFields_
	Set of fields that should not be interpolated. More...

const dictionary	dict_
	Dictionary of motion control parameters. More...

Additional Inherited Members
Public Types inherited from cellCellStencil
enum	patchCellType { OTHER = 0, PATCH = 1, OVERSET = 2 }

enum	cellType { CALCULATED = 0, INTERPOLATED = 1, HOLE = 2, SPECIAL = 3, POROUS = 4 }

Static Public Member Functions inherited from cellCellStencil
static autoPtr< cellCellStencil >	New (const fvMesh &, const dictionary &dict, const bool update=true)
	New function which constructs and returns pointer to a. More...

static const labelIOList &	zoneID (const fvMesh &)
	Helper: get reference to registered zoneID. Loads volScalarField. More...

static labelList	count (const label size, const labelUList &lst)
	Count occurrences (in parallel) More...

static void	globalCellCells (const globalIndex &gi, const polyMesh &mesh, const boolList &isValidDonor, const labelList &selectedCells, labelListList &cellCells, pointListList &cellCellCentres)
	Helper: create cell-cell addressing in global numbering. More...

template<class T >
static void	interpolate (Field< T > &psi, const fvMesh &mesh, const cellCellStencil &overlap, const List< scalarList > &wghts)
	Interpolation of acceptor cells from donor cells. More...

template<class GeoField , class SuppressBC >
static void	correctBoundaryConditions (GeoField &psi)
	Version of correctBoundaryConditions that excludes 'overset' bcs. More...

Static Protected Attributes inherited from cellCellStencil
static const Enum< cellType >	cellTypeNames_
	Mode type names. More...

Detailed Description

Inverse-distance-weighted interpolation stencil.

hole finding:

mark boundary faces on helper (voxel) mesh
mark any cell overlaying these voxels
use flood filling to find any unreachable cell Alternative is to use an octree of the boundary faces and determine directly for all cells whether we are outside. Might be slow though.

Source files

Definition at line 63 of file inverseDistanceCellCellStencil.H.

Constructor & Destructor Documentation

◆ inverseDistance()

inverseDistance	(	const fvMesh &	mesh,
		const dictionary &	dict,
		const bool	doUpdate
	)

Construct from fvMesh.

Definition at line 1703 of file inverseDistanceCellCellStencil.C.

References Foam::ensightOutput::debug, Foam::endl(), forAll, io(), Foam::Pout, and update().

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◆ ~inverseDistance()

~inverseDistance ( )

virtual

Destructor.

Definition at line 1788 of file inverseDistanceCellCellStencil.C.

Member Function Documentation

◆ index()

Foam::label index	(	const labelVector &	nDivs,
		const labelVector &	ijk
	)

staticprotected

Convert ijk indices into single index.

Definition at line 56 of file inverseDistanceCellCellStencil.C.

◆ index3() [1/2]

Foam::labelVector index3	(	const labelVector &	nDivs,
		const label	boxI
	)

staticprotected

Convert single index into ijk.

Definition at line 66 of file inverseDistanceCellCellStencil.C.

References k.

◆ index3() [2/2]

Foam::labelVector index3	(	const boundBox &	bb,
		const labelVector &	nDivs,
		const point &	pt
	)

staticprotected

Convert coordinate into ijk.

Definition at line 81 of file inverseDistanceCellCellStencil.C.

References boundBox::min(), and boundBox::span().

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◆ position()

Foam::point position	(	const boundBox &	bb,
		const labelVector &	nDivs,
		const label	boxI
	)

staticprotected

Convert index back into coordinate.

Definition at line 100 of file inverseDistanceCellCellStencil.C.

References boundBox::min(), and boundBox::span().

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◆ fill()

void fill	(	PackedList< 2 > &	elems,
		const boundBox &	bb,
		const labelVector &	nDivs,
		const boundBox &	subBb,
		const unsigned int	val
	)

staticprotected

Fill all elements overlapping subBb with value val.

Definition at line 117 of file inverseDistanceCellCellStencil.C.

References k, boundBox::max(), Foam::max(), boundBox::min(), and Foam::min().

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◆ overlaps()

bool overlaps	(	const boundBox &	bb,
		const labelVector &	nDivs,
		const PackedList< 2 > &	voxels,
		const treeBoundBox &	subBb,
		const unsigned int	val
	)

staticprotected

Is any voxel inside subBb set to val.

Definition at line 231 of file inverseDistanceCellCellStencil.C.

References k, boundBox::max(), Foam::max(), boundBox::min(), and Foam::min().

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◆ markBoundaries()

void markBoundaries	(	const fvMesh &	mesh,
		const vector &	smallVec,
		const boundBox &	bb,
		const labelVector &	nDivs,
		PackedList< 2 > &	patchTypes,
		const labelList &	cellMap,
		labelList &	patchCellTypes
	)

staticprotected

Mark voxels of patchTypes with type of patch face.

Definition at line 155 of file inverseDistanceCellCellStencil.C.

References fvPatch::faceCells(), forAll, boundBox::grow(), mesh, boundBox::overlaps(), fvPatch::patch(), patchTypes(), pbm, and pp().

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◆ markPatchesAsHoles()

void markPatchesAsHoles	(	PstreamBuffers &	pBufs,
		const PtrList< fvMeshSubset > &	meshParts,
		const List< treeBoundBoxList > &	patchBb,
		const List< labelVector > &	patchDivisions,
		const PtrList< PackedList< 2 >> &	patchParts,
		const label	srcI,
		const label	tgtI,
		labelList &	allCellTypes
	)		const

protected

Mark all cells overlapping (a voxel covered by) a src patch.

with type HOLE

Definition at line 275 of file inverseDistanceCellCellStencil.C.

References PstreamBuffers::clear(), Foam::exit(), Foam::FatalError, FatalErrorInFunction, PstreamBuffers::finishedSends(), forAll, boundBox::grow(), os(), and treeBoundBox::overlaps().

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◆ betterDonor()

bool betterDonor	(	const label	destMesh,
		const label	currentDonorMesh,
		const label	newDonorMesh
	)		const

protected

If multiple donors meshes: decide which is best.

Definition at line 399 of file inverseDistanceCellCellStencil.C.

References Foam::mag().

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◆ markDonors()

void markDonors	(	const globalIndex &	globalCells,
		PstreamBuffers &	pBufs,
		const PtrList< fvMeshSubset > &	meshParts,
		const List< treeBoundBoxList > &	meshBb,
		const labelList &	allCellTypes,
		const label	srcI,
		const label	tgtI,
		labelListList &	allStencil,
		labelList &	allDonor
	)		const

protected

Determine donors for all tgt cells.

Definition at line 441 of file inverseDistanceCellCellStencil.C.

References Foam::abort(), List< T >::append(), DynamicList< T, SizeMin >::append(), primitiveMesh::cellCentres(), cellIDs, PstreamBuffers::clear(), Foam::FatalError, FatalErrorInFunction, polyMesh::findCell(), PstreamBuffers::finishedSends(), forAll, boundBox::grow(), meshBb(), primitiveMesh::nCells(), os(), treeBoundBox::overlaps(), samples(), List< T >::setSize(), UList< T >::size(), polyMesh::tetBasePtIs(), and globalIndex::toGlobal().

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◆ uncompactedRegionSplit()

void uncompactedRegionSplit	(	const fvMesh &	mesh,
		const globalIndex &	globalFaces,
		const label	nZones,
		const labelList &	zoneID,
		const labelList &	cellTypes,
		const boolList &	isBlockedFace,
		labelList &	cellRegion
	)		const

protected

Replacement of regionSplit.

◆ compactedRegionSplit()

autoPtr<globalIndex> compactedRegionSplit	(	const fvMesh &	mesh,
		const globalIndex &	globalFaces,
		labelList &	cellRegion
	)		const

protected

◆ findHoles()

void findHoles	(	const globalIndex &	globalCells,
		const fvMesh &	mesh,
		const labelList &	zoneID,
		const labelListList &	stencil,
		labelList &	cellTypes
	)		const

protected

Do flood filling to detect unreachable (from patches) sections.

of mesh

Definition at line 894 of file inverseDistanceCellCellStencil.C.

References cellTypes, DebugInfo, mapDistribute::distribute(), Foam::endl(), fvPatch::faceCells(), Foam::findIndices(), forAll, FUNCTION_NAME, mesh, regionSplit::nRegions(), pbm, Foam::reduce(), UList< T >::size(), and Foam::Zero.

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◆ seedCell()

void seedCell	(	const label	cellI,
		const scalar	wantedFraction,
		bitSet &	isFront,
		scalarField &	fraction
	)		const

protected

Seed faces of cell with wantedFraction (if higher than current)

◆ createStencil()

void createStencil	(	const globalIndex &	globalCells,
		const bool	allowHoleDonors
	)

protectedvirtual

Create stencil starting from the donor containing the acceptor allowHoleDonors : allow donors of type HOLE (otherwise are filtered out)

Note: empty slots can happen for interpolated cells with

bad/insufficient donors. These are handled later on.

Definition at line 1503 of file inverseDistanceCellCellStencil.C.

References Foam::abort(), Foam::FatalError, FatalErrorInFunction, forAll, nSamples(), Foam::returnReduceOr(), samples(), UList< T >::size(), and List< T >::transfer().

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◆ holeExtrapolationStencil()

void holeExtrapolationStencil ( const globalIndex & globalCells )

protected

Make holes next to live ones type SPECIAL and include in interpolation stencil.

Definition at line 1211 of file inverseDistanceCellCellStencil.C.

References List< T >::append(), DynamicList< T, SizeMin >::append(), Foam::ensightOutput::debug, Foam::endl(), forAll, Foam::identity(), globalIndex::inplaceToGlobal(), Foam::labelMin, Foam::nl, Foam::Pout, Foam::reduce(), and globalIndex::toGlobal().

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◆ TypeName()

TypeName ( "inverseDistance" )

Runtime type information.

◆ update()

bool update ( )

virtual

Update stencils. Return false if nothing changed.

Implements cellCellStencil.

Reimplemented in trackingInverseDistance.

Definition at line 1794 of file inverseDistanceCellCellStencil.C.

References Pstream::allGatherList(), DynamicList< T, SizeMin >::append(), Foam::cbrt(), List< T >::clear(), oversetFvMeshBase::correctBoundaryConditions(), Foam::BitOps::count(), Foam::ensightOutput::debug, DebugInfo, Foam::decrIndent(), mapDistribute::distribute(), Foam::constant::electromagnetic::e, Foam::endl(), forAll, dictionary::found(), FUNCTION_NAME, dictionary::getOrDefault(), Foam::gMax(), Foam::incrIndent(), Foam::indent(), Foam::Info, Pstream::listCombineReduce(), Foam::mag(), meshBb(), boundBox::min(), Foam::mkDir(), UPstream::myProcNo(), Foam::name(), polyMesh::nGeometricD(), Foam::nl, UPstream::nonBlocking, primitiveMesh::nPoints(), UPstream::nProcs(), polyMesh::points(), Foam::Pout, Foam::reduce(), tmp< T >::ref(), Foam::returnReduce(), schemesLookup::schemesDict(), PtrList< T >::set(), List< T >::setSize(), UList< T >::size(), UPtrList< T >::size(), boundBox::span(), Foam::sqrt(), dictionary::subDict(), List< T >::transfer(), Foam::type(), oversetFvPatchField< Type >::write(), and Foam::Zero.

Referenced by inverseDistance::cellInterpolationMap().

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◆ cellTypes()

virtual const labelUList& cellTypes ( ) const

inlinevirtual

Return the cell type list.

Implements cellCellStencil.

Definition at line 362 of file inverseDistanceCellCellStencil.H.

References inverseDistance::cellTypes_.

◆ interpolationCells()

virtual const labelUList& interpolationCells ( ) const

inlinevirtual

Indices of interpolated cells.

Implements cellCellStencil.

Definition at line 370 of file inverseDistanceCellCellStencil.H.

References inverseDistance::interpolationCells_.

◆ cellInterpolationMap()

virtual const mapDistribute& cellInterpolationMap ( ) const

inlinevirtual

Return a communication schedule.

Implements cellCellStencil.

Definition at line 378 of file inverseDistanceCellCellStencil.H.

References inverseDistance::cellInterpolationMap_, and inverseDistance::update().

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◆ cellStencil()

virtual const labelListList& cellStencil ( ) const

inlinevirtual

Per interpolated cell the neighbour cells (in terms of slots as.

constructed by above cellInterpolationMap) to interpolate

Implements cellCellStencil.

Definition at line 392 of file inverseDistanceCellCellStencil.H.

References inverseDistance::cellStencil_.

◆ cellInterpolationWeights()

virtual const scalarListList& cellInterpolationWeights ( ) const

inlinevirtual

Weights for cellStencil.

Implements cellCellStencil.

Definition at line 400 of file inverseDistanceCellCellStencil.H.

References inverseDistance::cellInterpolationWeights_.

◆ cellInterpolationWeight()

virtual const scalarList& cellInterpolationWeight ( ) const

inlinevirtual

Per interpolated cell the interpolation factor. (0 = use.

calculated, 1 = use interpolated)

Implements cellCellStencil.

Definition at line 410 of file inverseDistanceCellCellStencil.H.

References inverseDistance::cellInterpolationWeight_.

◆ stencilWeights()

void stencilWeights	(	const point &	sample,
		const pointList &	donorCcs,
		scalarList &	weights
	)		const

virtual

Calculate inverse distance weights for a single acceptor.

Implements cellCellStencil.

Reimplemented in leastSquares.

Definition at line 1176 of file inverseDistanceCellCellStencil.C.

References forAll, Foam::mag(), List< T >::setSize(), UList< T >::size(), and Foam::sum().

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Member Data Documentation

◆ dict_

const dictionary dict_

protected

Dictionary of motion control parameters.

Definition at line 87 of file inverseDistanceCellCellStencil.H.

◆ allowHoleDonors_

const bool allowHoleDonors_

protected

Allow holes as donors.

Definition at line 92 of file inverseDistanceCellCellStencil.H.

◆ allowInterpolatedDonors_

const bool allowInterpolatedDonors_

protected

Allow interpolared as donors.

Definition at line 97 of file inverseDistanceCellCellStencil.H.

◆ smallVec_

vector smallVec_

protected

Small perturbation vector for geometric tests.

Definition at line 102 of file inverseDistanceCellCellStencil.H.

◆ cellTypes_

labelList cellTypes_

protected

Per cell the cell type.

Definition at line 107 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::cellTypes().

◆ interpolationCells_

labelList interpolationCells_

protected

Indices of interpolated cells.

Definition at line 112 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::interpolationCells().

◆ cellInterpolationMap_

autoPtr<mapDistribute> cellInterpolationMap_

protected

Fetch interpolated cells.

Definition at line 117 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::cellInterpolationMap().

◆ cellStencil_

labelListList cellStencil_

protected

Interpolation stencil.

Definition at line 122 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::cellStencil().

◆ cellInterpolationWeights_

scalarListList cellInterpolationWeights_

protected

Interpolation weights.

Definition at line 127 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::cellInterpolationWeights().

◆ cellInterpolationWeight_

volScalarField cellInterpolationWeight_

protected

Amount of interpolation.

Definition at line 132 of file inverseDistanceCellCellStencil.H.

Referenced by inverseDistance::cellInterpolationWeight().

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

src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.H
src/overset/cellCellStencil/inverseDistance/inverseDistanceCellCellStencil.C

Classes

Public Member Functions

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ inverseDistance()

◆ ~inverseDistance()

Member Function Documentation

◆ index()

◆ index3() [1/2]

◆ index3() [2/2]

◆ position()

◆ fill()

◆ overlaps()

◆ markBoundaries()

◆ markPatchesAsHoles()

◆ betterDonor()

◆ markDonors()

◆ uncompactedRegionSplit()

◆ compactedRegionSplit()

◆ findHoles()

◆ seedCell()

◆ createStencil()

◆ holeExtrapolationStencil()

◆ TypeName()

◆ update()

◆ cellTypes()

◆ interpolationCells()

◆ cellInterpolationMap()

◆ cellStencil()

◆ cellInterpolationWeights()

◆ cellInterpolationWeight()

◆ stencilWeights()

Member Data Documentation

◆ dict_

◆ allowHoleDonors_

◆ allowInterpolatedDonors_

◆ smallVec_

◆ cellTypes_

◆ interpolationCells_

◆ cellInterpolationMap_

◆ cellStencil_

◆ cellInterpolationWeights_

◆ cellInterpolationWeight_