leastSquares Class Reference

Inheritance diagram for leastSquares:

Collaboration diagram for leastSquares:

Classes
class	extendedFaceStencilCalculateWeights
	Base methods for calculating weights. More...
class	extendedFaceStencilFindNeighbours
	Base methods for finding neighbours. More...
class	extendedFaceStencilScalarGrad
class	leastSquaresBase
	Base methods for calculating weights and finding neighbours. More...
class	leastSquaresStencil
	Realisation least squares method for calculationg of differential operators. More...

Public Member Functions
	TypeName ("leastSquares")
	leastSquares (const IOobject &)
	Construct from IOobject. Optional flag for if IOobject is the. More...
	~leastSquares ()
	Destructor. More...
tmp< surfaceVectorField >	Grad (const volScalarField &iF)
	Calculate gradient of volume scalar function on the faces. More...
tmp< surfaceTensorField >	Grad (const volVectorField &iVF)
	Calculate gradient of volume vector field on the faces. More...
tmp< surfaceScalarField >	Div (const volVectorField &iVF)
	Calculate divergence of volume vector field on the faces. More...
tmp< surfaceVectorField >	Div (const volTensorField &iTF)
	Calculate divergence of volume tensor field on the faces. More...
Public Member Functions inherited from leastSquaresBase
	leastSquaresBase (const fvMesh &mesh)
	~leastSquaresBase ()

Additional Inherited Members
Protected Types inherited from leastSquaresBase
template<class T >
using	List2 = List< List< T > >
template<class T >
using	List3 = List2< List< T > >
template<class T >
using	labelHashTable = HashTable< T, label, Hash< label >>
typedef HashSet< label, Hash < label > >	labelHashSet
template<class T >
using	Triple = FixedList< T, 3 >
Protected Member Functions inherited from leastSquaresBase
void	findNeighbours ()
	Find neighbour cells for each face (throught face points). More...
void	calculateWeights ()
	Compute weights for least squares scheme for gradient calculation. More...
Protected Attributes inherited from leastSquaresBase
labelListList	neighbourCells_
List2< vector >	GdfAll_
List2< scalar >	wf2All_
DynamicList< label >	internalDegFaces_
List< label >	procPairs_
List< label >	neigProcs_
labelHashTable< label >	idProcPatchPairs_
label	nProcPatches_
List3< vector >	procGdf_
List3< scalar >	procWf2_
List3< label >	myProcPatchCells_
List2< label >	ownEnd_
List2< label >	neiStart_
List2< label >	neiEnd_
List2< label >	corStart_
List2< label >	corEnd_
labelHashTable< List< label > >	pointCells_
labelHashTable< label >	cellProc_
List2< Triple< label > >	corAddr_
List2< label >	corCellIds_
labelHashTable< label >	corProcIds_
List< DynamicList< label > >	procDegFaces_

Detailed Description

Definition at line 55 of file leastSquaresStencil.H.

Constructor & Destructor Documentation

leastSquares

(

const IOobject &

io

)

Construct from IOobject. Optional flag for if IOobject is the.

top level regIOobject.

Definition at line 49 of file leastSquaresStencil.C.

~leastSquares

(

)

Destructor.

Definition at line 126 of file leastSquaresStencil.C.

Member Function Documentation

TypeName

(

"leastSquares"

)

Foam::tmp< Foam::surfaceVectorField > Grad

(

const volScalarField &

iF

)

Calculate gradient of volume scalar function on the faces.

Parameters

iF	Internal scalar field. Allowable values: constant reference to the volScalarField.

Returns

Gradient of iF (vector field) which was computed on the faces of mesh.

Definition at line 43 of file extendedFaceStencilScalarGrad.C.

References leastSquaresBase::corAddr_, leastSquaresBase::corCellIds_, leastSquaresBase::corProcIds_, leastSquaresBase::corStart_, forAll(), leastSquaresBase::GdfAll_, leastSquaresBase::internalDegFaces_, mesh_, leastSquaresBase::myProcPatchCells_, leastSquaresBase::neiEnd_, leastSquaresBase::neighbourCells_, leastSquaresBase::neigProcs_, leastSquaresBase::neiStart_, nf_, leastSquaresBase::nProcPatches_, leastSquaresBase::ownEnd_, leastSquaresBase::procDegFaces_, leastSquaresBase::procGdf_, leastSquaresBase::procPairs_, leastSquaresBase::procWf2_, and leastSquaresBase::wf2All_.

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Foam::tmp< Foam::surfaceTensorField > Grad

(

const volVectorField &

iVF

)

Calculate gradient of volume vector field on the faces.

Parameters

iVF	Internal vector field. Allowable values: constant reference to the volVectorField.

Returns

Gradient of iVF (tensor field) which was computed on the faces of mesh.

Definition at line 139 of file leastSquaresStencil.C.

References forAll(), Grad(), mesh_, and nf_.

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Foam::tmp< Foam::surfaceScalarField > Div

(

const volVectorField &

iVF

)

Calculate divergence of volume vector field on the faces.

Parameters

iVF	Internal vector field. Allowable values: constant reference to the volVectorField.

Returns

Divergence of iVF (scalar field) which was computed on the faces of mesh.

Definition at line 201 of file leastSquaresStencil.C.

References forAll(), Grad(), mesh_, and nf_.

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Foam::tmp< Foam::surfaceVectorField > Div

(

const volTensorField &

iTF

)

Calculate divergence of volume tensor field on the faces.

Parameters

iTF	Internal tensor field. Allowable values: constant reference to the volTensorField.

Returns

Divergence of iTF (vector field) which was computed on the faces of mesh.

Definition at line 236 of file leastSquaresStencil.C.

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

• QGD/fvsc/leastSquares/leastSquaresStencil.H
• QGD/fvsc/leastSquares/extendedFaceStencilScalarGrad.C
• QGD/fvsc/leastSquares/leastSquaresStencil.C