This boundary condition provides a wall constraint on the turbulent viscosity, i.e. nut
, when using wall functions for rough walls, based on the turbulent kinetic energy, i.e. k
. The condition manipulates the wall roughness parameter, i.e. E
, to account for roughness effects.
More...
Public Member Functions | |
TypeName ("nutkRoughWallFunction") | |
Runtime type information. More... | |
nutkRoughWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &) | |
Construct from patch and internal field. More... | |
nutkRoughWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &, const dictionary &) | |
Construct from patch, internal field and dictionary. More... | |
nutkRoughWallFunctionFvPatchScalarField (const nutkRoughWallFunctionFvPatchScalarField &, const fvPatch &, const DimensionedField< scalar, volMesh > &, const fvPatchFieldMapper &) | |
nutkRoughWallFunctionFvPatchScalarField (const nutkRoughWallFunctionFvPatchScalarField &) | |
Construct as copy. More... | |
virtual tmp< fvPatchScalarField > | clone () const |
Construct and return a clone. More... | |
nutkRoughWallFunctionFvPatchScalarField (const nutkRoughWallFunctionFvPatchScalarField &, const DimensionedField< scalar, volMesh > &) | |
Construct as copy setting internal field reference. More... | |
virtual tmp< fvPatchScalarField > | clone (const DimensionedField< scalar, volMesh > &iF) const |
Construct and return a clone setting internal field reference. More... | |
scalarField & | Ks () |
scalarField & | Cs () |
virtual void | autoMap (const fvPatchFieldMapper &) |
Map (and resize as needed) from self given a mapping object. More... | |
virtual void | rmap (const fvPatchScalarField &, const labelList &) |
Reverse map the given fvPatchField onto this fvPatchField. More... | |
virtual void | write (Ostream &) const |
Write. More... | |
Public Member Functions inherited from nutkWallFunctionFvPatchScalarField | |
TypeName ("nutkWallFunction") | |
Runtime type information. More... | |
nutkWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &) | |
Construct from patch and internal field. More... | |
nutkWallFunctionFvPatchScalarField (const fvPatch &, const DimensionedField< scalar, volMesh > &, const dictionary &) | |
Construct from patch, internal field and dictionary. More... | |
nutkWallFunctionFvPatchScalarField (const nutkWallFunctionFvPatchScalarField &, const fvPatch &, const DimensionedField< scalar, volMesh > &, const fvPatchFieldMapper &) | |
nutkWallFunctionFvPatchScalarField (const nutkWallFunctionFvPatchScalarField &) | |
Construct as copy. More... | |
nutkWallFunctionFvPatchScalarField (const nutkWallFunctionFvPatchScalarField &, const DimensionedField< scalar, volMesh > &) | |
Construct as copy setting internal field reference. More... | |
virtual tmp< scalarField > | yPlus () const |
Calculate and return the yPlus at the boundary. More... | |
Public Member Functions inherited from nutWallFunctionFvPatchScalarField | |
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 &) | |
nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &) | |
Construct as copy. More... | |
nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &, const DimensionedField< scalar, volMesh > &) | |
Construct as copy 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 estimated y+ at the two-sublayer intersection. More... | |
scalar | blend (const scalar nutVis, const scalar nutLog, const scalar yPlus) const |
Return the blended nut according to the chosen blending treatment. More... | |
virtual void | updateCoeffs () |
Update the coefficients associated with the patch field. More... | |
Protected Member Functions | |
virtual scalar | fnRough (const scalar KsPlus, const scalar Cs) const |
Compute the roughness function. More... | |
virtual tmp< scalarField > | calcNut () const |
Calculate the turbulent viscosity. More... | |
Protected Member Functions inherited from nutWallFunctionFvPatchScalarField | |
virtual const volVectorField & | U (const turbulenceModel &turb) const |
virtual void | checkType () |
Check the type of the patch. More... | |
virtual void | writeLocalEntries (Ostream &) const |
Write local wall function variables. More... | |
Protected Attributes | |
scalarField | Ks_ |
Roughness height. More... | |
scalarField | Cs_ |
Roughness constant. More... | |
Protected Attributes inherited from nutWallFunctionFvPatchScalarField | |
enum blendingType | blending_ |
Blending treatment (default = blendingType::STEPWISE) More... | |
const scalar | n_ |
word | UName_ |
Name of velocity field. More... | |
scalar | Cmu_ |
Empirical model coefficient. More... | |
scalar | kappa_ |
von Kármán constant More... | |
scalar | E_ |
Wall roughness parameter. More... | |
scalar | yPlusLam_ |
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... | |
static scalar | yPlusLam (const scalar kappa, const scalar E) |
Estimate the y+ at the intersection of the two sublayers. More... | |
Protected Types inherited from nutWallFunctionFvPatchScalarField | |
enum | blendingType { STEPWISE, MAX, BINOMIAL, EXPONENTIAL } |
Options for the blending treatment of viscous and inertial sublayers. More... | |
Static Protected Attributes inherited from nutWallFunctionFvPatchScalarField | |
static const Enum< blendingType > | blendingTypeNames |
Names for blendingType. More... | |
This boundary condition provides a wall constraint on the turbulent viscosity, i.e. nut
, when using wall functions for rough walls, based on the turbulent kinetic energy, i.e. k
. The condition manipulates the wall roughness parameter, i.e. E
, to account for roughness effects.
<patchName> { // Mandatory entries (unmodifiable) type nutkRoughWallFunction; Ks uniform 0; Cs uniform 0.5; // Optional (inherited) entries ... }
where the entries mean:
Property | Description | Type | Req'd | Dflt |
---|---|---|---|---|
type | Type name: nutkRoughWallFunction | word | yes | - |
Ks | Sand-grain roughness height | scalarField | yes | - |
Cs | Roughness constant | scalarField | yes | - |
The inherited entries are elaborated in:
Definition at line 112 of file nutkRoughWallFunctionFvPatchScalarField.H.
nutkRoughWallFunctionFvPatchScalarField | ( | const fvPatch & | p, |
const DimensionedField< scalar, volMesh > & | iF | ||
) |
Construct from patch and internal field.
Definition at line 132 of file nutkRoughWallFunctionFvPatchScalarField.C.
Referenced by nutkRoughWallFunctionFvPatchScalarField::clone().
nutkRoughWallFunctionFvPatchScalarField | ( | const fvPatch & | p, |
const DimensionedField< scalar, volMesh > & | iF, | ||
const dictionary & | dict | ||
) |
Construct from patch, internal field and dictionary.
Definition at line 160 of file nutkRoughWallFunctionFvPatchScalarField.C.
nutkRoughWallFunctionFvPatchScalarField | ( | const nutkRoughWallFunctionFvPatchScalarField & | ptf, |
const fvPatch & | p, | ||
const DimensionedField< scalar, volMesh > & | iF, | ||
const fvPatchFieldMapper & | mapper | ||
) |
Construct by mapping given nutkRoughWallFunctionFvPatchScalarField onto a new patch
Definition at line 145 of file nutkRoughWallFunctionFvPatchScalarField.C.
Construct as copy.
Definition at line 174 of file nutkRoughWallFunctionFvPatchScalarField.C.
nutkRoughWallFunctionFvPatchScalarField | ( | const nutkRoughWallFunctionFvPatchScalarField & | rwfpsf, |
const DimensionedField< scalar, volMesh > & | iF | ||
) |
Construct as copy setting internal field reference.
Definition at line 186 of file nutkRoughWallFunctionFvPatchScalarField.C.
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protectedvirtual |
Compute the roughness function.
Definition at line 39 of file nutkRoughWallFunctionFvPatchScalarField.C.
References Cs, Foam::log(), Foam::pow(), and Foam::sin().
Referenced by nutkRoughWallFunctionFvPatchScalarField::calcNut().
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protectedvirtual |
Calculate the turbulent viscosity.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 62 of file nutkRoughWallFunctionFvPatchScalarField.C.
References nutWallFunctionFvPatchScalarField::Cmu_, nutkRoughWallFunctionFvPatchScalarField::Cs_, Foam::expressions::patchExpr::debug, Foam::constant::electromagnetic::e, nutWallFunctionFvPatchScalarField::E_, Foam::endl(), nutkRoughWallFunctionFvPatchScalarField::fnRough(), forAll, Foam::constant::atomic::group, IOobject::groupName(), Foam::Info, k, turbulenceModel::k(), nutWallFunctionFvPatchScalarField::kappa_, nutkRoughWallFunctionFvPatchScalarField::Ks_, Foam::log(), Foam::max(), Foam::min(), turbulenceModel::nu(), nutWallFunctionFvPatchScalarField::nutw(), Foam::foamVersion::patch, Foam::pow025(), turbulenceModel::propertiesName, tmp< T >::ref(), Foam::sqrt(), y, turbulenceModel::y(), and nutkWallFunctionFvPatchScalarField::yPlus().
TypeName | ( | "nutkRoughWallFunction" | ) |
Runtime type information.
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inlinevirtual |
Construct and return a clone.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 177 of file nutkRoughWallFunctionFvPatchScalarField.H.
References nutkRoughWallFunctionFvPatchScalarField::nutkRoughWallFunctionFvPatchScalarField().
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inlinevirtual |
Construct and return a clone setting internal field reference.
Reimplemented from nutkWallFunctionFvPatchScalarField.
Definition at line 194 of file nutkRoughWallFunctionFvPatchScalarField.H.
References nutkRoughWallFunctionFvPatchScalarField::nutkRoughWallFunctionFvPatchScalarField().
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inline |
Definition at line 210 of file nutkRoughWallFunctionFvPatchScalarField.H.
References nutkRoughWallFunctionFvPatchScalarField::Ks_.
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inline |
Definition at line 216 of file nutkRoughWallFunctionFvPatchScalarField.H.
References nutkRoughWallFunctionFvPatchScalarField::Cs_.
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virtual |
Map (and resize as needed) from self given a mapping object.
Definition at line 200 of file nutkRoughWallFunctionFvPatchScalarField.C.
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virtual |
Reverse map the given fvPatchField onto this fvPatchField.
Definition at line 211 of file nutkRoughWallFunctionFvPatchScalarField.C.
References nutkRoughWallFunctionFvPatchScalarField::Cs_, and nutkRoughWallFunctionFvPatchScalarField::Ks_.
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virtual |
Write.
Reimplemented from nutWallFunctionFvPatchScalarField.
Definition at line 227 of file nutkRoughWallFunctionFvPatchScalarField.C.
References os(), and fvPatchField< Type >::write().
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protected |
Roughness height.
Definition at line 121 of file nutkRoughWallFunctionFvPatchScalarField.H.
Referenced by nutkRoughWallFunctionFvPatchScalarField::calcNut(), nutkRoughWallFunctionFvPatchScalarField::Ks(), and nutkRoughWallFunctionFvPatchScalarField::rmap().
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protected |
Roughness constant.
Definition at line 124 of file nutkRoughWallFunctionFvPatchScalarField.H.
Referenced by nutkRoughWallFunctionFvPatchScalarField::calcNut(), nutkRoughWallFunctionFvPatchScalarField::Cs(), and nutkRoughWallFunctionFvPatchScalarField::rmap().