Basic second-order gradient scheme using face-interpolation and Gauss' theorem. More...

#include <gaussGrad.H>

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Public Member Functions
	TypeName ("Gauss")
	Runtime type information.
	gaussGrad (const fvMesh &mesh)
	Construct from mesh.
	gaussGrad (const fvMesh &mesh, Istream &is)
	Construct from mesh and Istream.
virtual tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > >	calcGrad (const GeometricField< Type, fvPatchField, volMesh > &vsf, const word &name) const
	Return the gradient of the given field to the gradScheme::grad for optional caching.
virtual void	calcGrad (GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > &res, const GeometricField< Type, fvPatchField, volMesh > &) const
	Calculate the grad of the given field into supplied field.
Public Member Functions inherited from gradScheme< Type >
virtual const word &	type () const =0
	Runtime type information.
	declareRunTimeSelectionTable (tmp, gradScheme, Istream,(const fvMesh &mesh, Istream &schemeData),(mesh, schemeData))
	gradScheme (const fvMesh &mesh)
	Construct from mesh.
virtual	~gradScheme ()=default
	Destructor.
const fvMesh &	mesh () const
	Return const reference to mesh.
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > >	grad (const GeometricField< Type, fvPatchField, volMesh > &, const word &name) const
	Calculate and return the grad of the given field which may have been cached.
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > >	grad (const GeometricField< Type, fvPatchField, volMesh > &) const
	Calculate and return the grad of the given field with the default name which may have been cached.
tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > >	grad (const tmp< GeometricField< Type, fvPatchField, volMesh > > &) const
	Calculate and return the grad of the given field with the default name which may have been cached.
Public Member Functions inherited from refCount
constexpr	refCount () noexcept
	Default construct, initializing count to 0.
int	use_count () const noexcept
	Return the current reference count.
bool	unique () const noexcept
	Return true if the reference count is zero.
void	operator++ () noexcept
	Increment the reference count.
void	operator++ (int) noexcept
	Increment the reference count.
void	operator-- () noexcept
	Decrement the reference count.
void	operator-- (int) noexcept
	Decrement the reference count.

Static Public Member Functions
static tmp< GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > >	gradf (const GeometricField< Type, fvsPatchField, surfaceMesh > &, const word &name)
	Return the gradient of the given field calculated using Gauss' theorem on the given surface field.
static void	correctBoundaryConditions (const GeometricField< Type, fvPatchField, volMesh > &, GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > &)
	Correct the boundary values of the gradient using the patchField snGrad functions.
Static Public Member Functions inherited from gradScheme< Type >
static tmp< gradScheme< Type > >	New (const fvMesh &mesh, Istream &schemeData)
	Return a pointer to a new gradScheme created on freestore.

Detailed Description

template<class Type>
class Foam::fv::gaussGrad< Type >

Basic second-order gradient scheme using face-interpolation and Gauss' theorem.

Source files

Definition at line 59 of file gaussGrad.H.

Constructor & Destructor Documentation

◆ gaussGrad() [1/2]

template<class Type>

gaussGrad ( const fvMesh & mesh )

inline

Construct from mesh.

Definition at line 97 of file gaussGrad.H.

References gradScheme< Type >::mesh().

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◆ gaussGrad() [2/2]

template<class Type>

gaussGrad	(	const fvMesh &	mesh,
		Istream &	is )

inline

Construct from mesh and Istream.

Definition at line 106 of file gaussGrad.H.

References IOstream::eof(), and gradScheme< Type >::mesh().

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Member Function Documentation

◆ TypeName()

template<class Type>

TypeName ( "Gauss" )

Runtime type information.

◆ gradf()

template<class Type>

Foam::tmp< Foam::GeometricField< typename Foam::outerProduct< Foam::vector, Type >::type, Foam::fvPatchField, Foam::volMesh > > gradf	(	const GeometricField< Type, fvsPatchField, surfaceMesh > &	ssf,
		const word &	name )

static

Return the gradient of the given field calculated using Gauss' theorem on the given surface field.

Definition at line 37 of file gaussGrad.C.

References GeometricField< Type, PatchField, GeoMesh >::boundaryField(), DimensionedField< Type, GeoMesh >::dimensions(), Foam::dimLength, fvPatchFieldBase::extrapolatedCalculatedType(), forAll, IOobject::instance(), DimensionedField< Type, GeoMesh >::mesh(), gradScheme< Type >::mesh(), Foam::name(), IOobjectOption::NO_READ, IOobjectOption::NO_WRITE, tmp< T >::ref(), and Foam::Zero.

Referenced by calcGrad(), iterativeGaussGrad< Type >::calcGrad(), and Foam::fvc::grad().

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◆ calcGrad() [1/2]

template<class Type>

Foam::tmp< Foam::GeometricField< typename Foam::outerProduct< Foam::vector, Type >::type, Foam::fvPatchField, Foam::volMesh > > calcGrad	(	const GeometricField< Type, fvPatchField, volMesh > &	vsf,
		const word &	name ) const

virtual

Return the gradient of the given field to the gradScheme::grad for optional caching.

Implements gradScheme< Type >.

Reimplemented in iterativeGaussGrad< Type >.

Definition at line 115 of file gaussGrad.C.

References correctBoundaryConditions(), gradf(), interpolate(), Foam::name(), and tmp< T >::ref().

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◆ calcGrad() [2/2]

template<class Type>

void calcGrad	(	GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > &	res,
		const GeometricField< Type, fvPatchField, volMesh > &	vsf ) const

virtual

Calculate the grad of the given field into supplied field.

Reimplemented from gradScheme< Type >.

Definition at line 137 of file gaussGrad.C.

References correctBoundaryConditions(), DebugPout, DimensionedField< Type, GeoMesh >::dimensions(), Foam::dimLength, Foam::endl(), forAll, interpolate(), DimensionedField< Type, GeoMesh >::mesh(), gradScheme< Type >::mesh(), IOobject::name(), and Foam::Zero.

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◆ correctBoundaryConditions()

template<class Type>

void correctBoundaryConditions	(	const GeometricField< Type, fvPatchField, volMesh > &	vsf,
		GeometricField< typename outerProduct< vector, Type >::type, fvPatchField, volMesh > &	gGrad )