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fusedLeastSquaresGrad< Type > Class Template Reference
Numerics » Finite volume numerical schemes » Gradient schemes

Second-order gradient scheme using least-squares. More...

#include <fusedLeastSquaresGrad.H>

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Public Member Functions

 TypeName ("fusedLeastSquares")
 Runtime type information.
 fusedLeastSquaresGrad (const fvMesh &mesh)
 Construct from mesh.
 fusedLeastSquaresGrad (const fvMesh &mesh, Istream &)
 Construct from 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.
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.
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.
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.

Additional Inherited Members

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::fusedLeastSquaresGrad< Type >

Second-order gradient scheme using least-squares.

Source files

Definition at line 56 of file fusedLeastSquaresGrad.H.

Constructor & Destructor Documentation

◆ fusedLeastSquaresGrad() [1/2]

template<class Type>
fusedLeastSquaresGrad ( const fvMesh & mesh)
inline

Construct from mesh.

Definition at line 86 of file fusedLeastSquaresGrad.H.

References gradScheme< Type >::mesh().

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◆ fusedLeastSquaresGrad() [2/2]

template<class Type>
fusedLeastSquaresGrad ( const fvMesh & mesh,
Istream &  )
inline

Construct from Istream.

Definition at line 94 of file fusedLeastSquaresGrad.H.

References gradScheme< Type >::mesh().

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Member Function Documentation

◆ TypeName()

template<class Type>
TypeName ( "fusedLeastSquares" )

Runtime type information.

◆ calcGrad()

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 >.

Definition at line 45 of file fusedLeastSquaresGrad.C.

References gaussGrad< Type >::correctBoundaryConditions(), DebugPout, DimensionedField< Type, GeoMesh >::dimensions(), Foam::dimLength, Foam::endl(), fvPatchFieldBase::extrapolatedCalculatedType(), IOobject::instance(), DimensionedField< Type, GeoMesh >::mesh(), gradScheme< Type >::mesh(), IOobject::name(), Foam::name(), MeshObject< fvMesh, MoveableMeshObject, leastSquaresVectors >::New(), IOobjectOption::NO_READ, IOobjectOption::NO_WRITE, leastSquaresVectors::nVectors(), leastSquaresVectors::pVectors(), tmp< T >::ref(), Foam::fvc::surfaceOp(), and Foam::Zero.

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