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nutWallFunctionFvPatchScalarField Class Referenceabstract

This boundary condition provides a turbulent kinematic viscosity condition when using wall functions, based on turbulence kinetic energy. More...

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Public Member Functions

 TypeName ("nutWallFunction")
 Runtime type information. More...
 
 nutWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &)
 Construct from patch and internal field. More...
 
 nutWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &, const dictionary &)
 Construct from patch, internal field and dictionary. More...
 
 nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &, const fvPatch &, const DimensionedField< scalar, volMesh > &, const fvPatchFieldMapper &)
 Construct by mapping given. More...
 
 nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &)
 Copy constructor. More...
 
 nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &, const DimensionedField< scalar, volMesh > &)
 Copy constructor setting internal field reference. More...
 
scalar Cmu () const
 Return Cmu. More...
 
scalar kappa () const
 Return kappa. More...
 
scalar E () const
 Return E. More...
 
scalar yPlusLam () const
 Return the Y+ at the edge of the laminar sublayer. More...
 
virtual tmp< scalarFieldyPlus () const =0
 Calculate and return the yPlus at the boundary. More...
 
virtual void updateCoeffs ()
 Update the coefficients associated with the patch field. More...
 
virtual void write (Ostream &) const
 Write. More...
 

Static Public Member Functions

static const nutWallFunctionFvPatchScalarFieldnutw (const momentumTransportModel &turbModel, const label patchi)
 Return the nut patchField for the given wall patch. More...
 
static scalar yPlusLam (const scalar kappa, const scalar E)
 Calculate the Y+ at the edge of the laminar sublayer. More...
 

Protected Member Functions

virtual void checkType ()
 Check the type of the patch. More...
 
virtual tmp< scalarFieldnut () const =0
 Calculate the turbulence viscosity. More...
 
virtual void writeLocalEntries (Ostream &) const
 Write local wall function variables. More...
 

Protected Attributes

scalar Cmu_
 Cmu coefficient. More...
 
scalar kappa_
 Von Karman constant. More...
 
scalar E_
 E coefficient. More...
 
scalar yPlusLam_
 Y+ at the edge of the laminar sublayer. More...
 

Detailed Description

This boundary condition provides a turbulent kinematic viscosity condition when using wall functions, based on turbulence kinetic energy.

- replicates OpenFOAM v1.5 (and earlier) behaviour

Usage
Property Description Required Default value
Cmu Cmu coefficient no 0.09
kappa Von Karman constant no 0.41
E E coefficient no 9.8

Examples of the boundary condition specification:

    <patchName>
    {
        type            nutWallFunction;
        value           uniform 0;
    }

Reference for the default model coefficients:

        H. Versteeg, W. Malalasekera
        An Introduction to Computational Fluid Dynamics: The Finite Volume
        Method, subsection "3.5.2 k-epsilon model"
See also
Foam::fixedValueFvPatchField
Source files

Definition at line 99 of file nutWallFunctionFvPatchScalarField.H.

Constructor & Destructor Documentation

◆ nutWallFunctionFvPatchScalarField() [1/5]

nutWallFunctionFvPatchScalarField ( const fvPatch p,
const DimensionedField< scalar, volMesh > &  iF 
)

Construct from patch and internal field.

Definition at line 69 of file nutWallFunctionFvPatchScalarField.C.

Referenced by nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField(), and nutWallFunctionFvPatchScalarField::writeLocalEntries().

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◆ nutWallFunctionFvPatchScalarField() [2/5]

nutWallFunctionFvPatchScalarField ( const fvPatch p,
const DimensionedField< scalar, volMesh > &  iF,
const dictionary dict 
)

Construct from patch, internal field and dictionary.

Definition at line 103 of file nutWallFunctionFvPatchScalarField.C.

References nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField().

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◆ nutWallFunctionFvPatchScalarField() [3/5]

nutWallFunctionFvPatchScalarField ( const nutWallFunctionFvPatchScalarField ptf,
const fvPatch p,
const DimensionedField< scalar, volMesh > &  iF,
const fvPatchFieldMapper mapper 
)

Construct by mapping given.

nutWallFunctionFvPatchScalarField onto a new patch

Definition at line 85 of file nutWallFunctionFvPatchScalarField.C.

References nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField().

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◆ nutWallFunctionFvPatchScalarField() [4/5]

Copy constructor.

Definition at line 120 of file nutWallFunctionFvPatchScalarField.C.

References nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField().

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◆ nutWallFunctionFvPatchScalarField() [5/5]

Copy constructor setting internal field reference.

Definition at line 135 of file nutWallFunctionFvPatchScalarField.C.

References nutWallFunctionFvPatchScalarField::nutw().

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Member Function Documentation

◆ checkType()

void checkType ( )
protectedvirtual

Check the type of the patch.

Definition at line 41 of file nutWallFunctionFvPatchScalarField.C.

References Foam::abort(), Foam::endl(), Foam::FatalError, FatalErrorInFunction, Foam::nl, and nutWallFunctionFvPatchScalarField::writeLocalEntries().

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◆ nut()

◆ writeLocalEntries()

◆ TypeName()

TypeName ( "nutWallFunction"  )

Runtime type information.

◆ Cmu()

◆ kappa()

◆ E()

◆ nutw()

◆ yPlusLam() [1/2]

Foam::scalar yPlusLam ( const scalar  kappa,
const scalar  E 
)
static

Calculate the Y+ at the edge of the laminar sublayer.

Definition at line 168 of file nutWallFunctionFvPatchScalarField.C.

References Foam::constant::electromagnetic::kappa, Foam::log(), and Foam::max().

Referenced by epsilonWallFunctionFvPatchScalarField::calculate(), and omegaWallFunctionFvPatchScalarField::calculate().

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◆ yPlusLam() [2/2]

Foam::scalar yPlusLam ( ) const

Return the Y+ at the edge of the laminar sublayer.

Definition at line 184 of file nutWallFunctionFvPatchScalarField.C.

Referenced by nutWallFunctionFvPatchScalarField::E(), nutkRoughWallFunctionFvPatchScalarField::nut(), and nutWallFunctionFvPatchScalarField::nutw().

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◆ yPlus()

◆ updateCoeffs()

void updateCoeffs ( )
virtual

Update the coefficients associated with the patch field.

Definition at line 190 of file nutWallFunctionFvPatchScalarField.C.

References nut, and Foam::operator==().

Referenced by nutWallFunctionFvPatchScalarField::E().

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◆ write()

Member Data Documentation

◆ Cmu_

◆ kappa_

◆ E_

◆ yPlusLam_


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