This boundary condition provides a turbulent viscosity condition when using wall functions, based on turbulence kinetic energy, for use with surface film models. More...
Protected Member Functions | |
virtual tmp< scalarField > | calcNut () const |
Calculate the turbulence viscosity. More... | |
tmp< scalarField > | calcUTau (const scalarField &magGradU) const |
Calculate the friction velocity. More... | |
void | writeLocalEntries (Ostream &) const |
Write local wall function variables. More... | |
Protected Member Functions inherited from nutkWallFunctionFvPatchScalarField | |
void | writeLocalEntries (Ostream &) const |
Write local wall function variables. More... | |
Protected Member Functions inherited from nutWallFunctionFvPatchScalarField | |
virtual const volVectorField & | U (const turbulenceModel &turb) const |
Helper to return the velocity field either from the turbulence model (default) or the mesh database. More... | |
virtual void | checkType () |
Check the type of the patch. More... | |
void | writeLocalEntries (Ostream &) const |
Write local wall function variables. More... | |
Protected Attributes | |
word | filmRegionName_ |
Name of film region. More... | |
scalar | B_ |
B Coefficient. More... | |
scalar | yPlusCrit_ |
y+ value for laminar -> turbulent transition More... | |
Protected Attributes inherited from nutWallFunctionFvPatchScalarField | |
word | UName_ |
Name of velocity field. More... | |
wallFunctionCoefficients | wallCoeffs_ |
Wall-function coefficients. More... | |
Additional Inherited Members | |
Static Public Member Functions inherited from nutWallFunctionFvPatchScalarField | |
static const nutWallFunctionFvPatchScalarField & | nutw (const turbulenceModel &turbModel, const label patchi) |
Return the nut patchField for the given wall patch. More... | |
This boundary condition provides a turbulent viscosity condition when using wall functions, based on turbulence kinetic energy, for use with surface film models.
<patchName> { // Mandatory entries type nutkFilmWallFunction; // Optional entries filmRegion <word>; B <scalar>; yPlusCrit <scalar>; // Inherited entries ... }
where the entries mean:
Property | Description | Type | Reqd | Deflt |
---|---|---|---|---|
type | Type name: alphatFilmWallFunction | word | yes | - |
filmRegion | Name of film region | word | no | surfaceFilmProperties |
B | Model coefficient | scalar | no | 5.5 |
yPlusCrit | Critical y+ for transition to turbulence | scalar | no | 11.5 |
The inherited entries are elaborated in:
Definition at line 116 of file nutkFilmWallFunctionFvPatchScalarField.H.
nutkFilmWallFunctionFvPatchScalarField | ( | const fvPatch & | p, |
const DimensionedField< scalar, volMesh > & | iF | ||
) |
Construct from patch and internal field.
Definition at line 170 of file nutkFilmWallFunctionFvPatchScalarField.C.
nutkFilmWallFunctionFvPatchScalarField | ( | const fvPatch & | p, |
const DimensionedField< scalar, volMesh > & | iF, | ||
const dictionary & | dict | ||
) |
Construct from patch, internal field and dictionary.
Definition at line 198 of file nutkFilmWallFunctionFvPatchScalarField.C.
nutkFilmWallFunctionFvPatchScalarField | ( | const nutkFilmWallFunctionFvPatchScalarField & | ptf, |
const fvPatch & | p, | ||
const DimensionedField< scalar, volMesh > & | iF, | ||
const fvPatchFieldMapper & | mapper | ||
) |
Construct by mapping given nutkFilmWallFunctionFvPatchScalarField onto a new patch.
Definition at line 183 of file nutkFilmWallFunctionFvPatchScalarField.C.
Construct as copy.
Definition at line 215 of file nutkFilmWallFunctionFvPatchScalarField.C.
nutkFilmWallFunctionFvPatchScalarField | ( | const nutkFilmWallFunctionFvPatchScalarField & | wfpsf, |
const DimensionedField< scalar, volMesh > & | iF | ||
) |
Construct as copy setting internal field reference.
Definition at line 227 of file nutkFilmWallFunctionFvPatchScalarField.C.
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protectedvirtual |
Calculate the turbulence viscosity.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 124 of file nutkFilmWallFunctionFvPatchScalarField.C.
References nutkFilmWallFunctionFvPatchScalarField::calcUTau(), Foam::constant::atomic::group, IOobject::groupName(), Foam::mag(), Foam::max(), Foam::foamVersion::patch, turbulenceModel::propertiesName, and Foam::sqr().
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protected |
Calculate the friction velocity.
Definition at line 43 of file nutkFilmWallFunctionFvPatchScalarField.C.
References Foam::exp(), forAll, Foam::constant::atomic::group, IOobject::groupName(), k, Foam::constant::electromagnetic::kappa, Foam::max(), Foam::min(), tmp< T >::New(), Foam::foamVersion::patch, Foam::pow(), Foam::pow025(), turbulenceModel::propertiesName, Foam::sqrt(), uTau, y, yPlus, and Foam::Zero.
Referenced by nutkFilmWallFunctionFvPatchScalarField::calcNut(), and nutkFilmWallFunctionFvPatchScalarField::yPlus().
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protected |
Write local wall function variables.
Definition at line 152 of file nutkFilmWallFunctionFvPatchScalarField.C.
References os().
Referenced by nutkFilmWallFunctionFvPatchScalarField::write().
TypeName | ( | "nutkFilmWallFunction" | ) |
Runtime type information.
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inlinevirtual |
Return a clone.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 220 of file nutkFilmWallFunctionFvPatchScalarField.H.
References fvPatchField< Type >::Clone().
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inlinevirtual |
Clone with an internal field reference.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 229 of file nutkFilmWallFunctionFvPatchScalarField.H.
References fvPatchField< Type >::Clone().
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virtual |
Calculate and return the yPlus at the boundary.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 241 of file nutkFilmWallFunctionFvPatchScalarField.C.
References nutkFilmWallFunctionFvPatchScalarField::calcUTau(), Foam::constant::atomic::group, IOobject::groupName(), Foam::mag(), Foam::foamVersion::patch, turbulenceModel::propertiesName, fvPatchField< Type >::snGrad(), and y.
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virtual |
Write.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 265 of file nutkFilmWallFunctionFvPatchScalarField.C.
References os(), nutWallFunctionFvPatchScalarField::write(), nutkFilmWallFunctionFvPatchScalarField::writeLocalEntries(), and fvPatchField< Type >::writeValueEntry().
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Name of film region.
Definition at line 127 of file nutkFilmWallFunctionFvPatchScalarField.H.
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B Coefficient.
Definition at line 132 of file nutkFilmWallFunctionFvPatchScalarField.H.
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y+ value for laminar -> turbulent transition
Definition at line 137 of file nutkFilmWallFunctionFvPatchScalarField.H.