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


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 &) | |
| Construct as copy. More... | |
| nutWallFunctionFvPatchScalarField (const nutWallFunctionFvPatchScalarField &, const DimensionedField< scalar, volMesh > &) | |
| Construct as copy setting internal field reference. More... | |
| scalar | yPlusLam () const |
| Return the Y+ at the edge of the laminar sublayer. More... | |
| virtual tmp< scalarField > | yPlus () 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 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< scalarField > | calcNut () 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... | |
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
| 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 0.0;
}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"Definition at line 100 of file nutWallFunctionFvPatchScalarField.H.
| 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().

| 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().

| 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().

| nutWallFunctionFvPatchScalarField | ( | const nutWallFunctionFvPatchScalarField & | wfpsf | ) |
Construct as copy.
Definition at line 120 of file nutWallFunctionFvPatchScalarField.C.
References nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField().

| nutWallFunctionFvPatchScalarField | ( | const nutWallFunctionFvPatchScalarField & | wfpsf, |
| const DimensionedField< scalar, volMesh > & | iF | ||
| ) |
Construct as copy setting internal field reference.
Definition at line 135 of file nutWallFunctionFvPatchScalarField.C.
References nutWallFunctionFvPatchScalarField::yPlusLam().

|
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().

|
protectedpure virtual |
Calculate the turbulence viscosity.
Implemented in nutkAtmRoughWallFunctionFvPatchScalarField, nutkRoughWallFunctionFvPatchScalarField, nutUTabulatedWallFunctionFvPatchScalarField, nutUSpaldingWallFunctionFvPatchScalarField, nutkFilmWallFunctionFvPatchScalarField, nutUWallFunctionFvPatchScalarField, nutkWallFunctionFvPatchScalarField, and nutLowReWallFunctionFvPatchScalarField.
|
protectedvirtual |
Write local wall function variables.
Definition at line 56 of file nutWallFunctionFvPatchScalarField.C.
References token::END_STATEMENT, Foam::nl, nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField(), and Ostream::writeKeyword().
Referenced by nutWallFunctionFvPatchScalarField::checkType(), nutUWallFunctionFvPatchScalarField::write(), nutkFilmWallFunctionFvPatchScalarField::write(), nutUSpaldingWallFunctionFvPatchScalarField::write(), nutkRoughWallFunctionFvPatchScalarField::write(), nutkAtmRoughWallFunctionFvPatchScalarField::write(), and nutURoughWallFunctionFvPatchScalarField::write().


| TypeName | ( | "nutWallFunction" | ) |
Runtime type information.
|
static |
Calculate the Y+ at the edge of the laminar sublayer.
Definition at line 153 of file nutWallFunctionFvPatchScalarField.C.
References Foam::constant::electromagnetic::kappa, Foam::log(), and Foam::max().

| Foam::scalar yPlusLam | ( | ) | const |
Return the Y+ at the edge of the laminar sublayer.
Definition at line 169 of file nutWallFunctionFvPatchScalarField.C.
Referenced by nutWallFunctionFvPatchScalarField::nutWallFunctionFvPatchScalarField().

|
pure virtual |
Calculate and return the yPlus at the boundary.
Implemented in nutURoughWallFunctionFvPatchScalarField, nutUTabulatedWallFunctionFvPatchScalarField, nutUSpaldingWallFunctionFvPatchScalarField, nutkFilmWallFunctionFvPatchScalarField, nutUWallFunctionFvPatchScalarField, nutkWallFunctionFvPatchScalarField, and nutLowReWallFunctionFvPatchScalarField.
|
virtual |
Update the coefficients associated with the patch field.
Definition at line 175 of file nutWallFunctionFvPatchScalarField.C.
References Foam::operator==().

|
virtual |
Write.
Reimplemented in nutURoughWallFunctionFvPatchScalarField, nutkAtmRoughWallFunctionFvPatchScalarField, nutkRoughWallFunctionFvPatchScalarField, nutUTabulatedWallFunctionFvPatchScalarField, nutUSpaldingWallFunctionFvPatchScalarField, nutkFilmWallFunctionFvPatchScalarField, and nutUWallFunctionFvPatchScalarField.
Definition at line 188 of file nutWallFunctionFvPatchScalarField.C.
References fvPatchField< Type >::write().

|
protected |
Cmu coefficient.
Definition at line 109 of file nutWallFunctionFvPatchScalarField.H.
Referenced by nutkWallFunctionFvPatchScalarField::calcNut(), nutkRoughWallFunctionFvPatchScalarField::calcNut(), nutkAtmRoughWallFunctionFvPatchScalarField::calcNut(), and nutkWallFunctionFvPatchScalarField::yPlus().
|
protected |
Von Karman constant.
Definition at line 112 of file nutWallFunctionFvPatchScalarField.H.
Referenced by nutkWallFunctionFvPatchScalarField::calcNut(), nutUWallFunctionFvPatchScalarField::calcNut(), nutkRoughWallFunctionFvPatchScalarField::calcNut(), nutkAtmRoughWallFunctionFvPatchScalarField::calcNut(), nutUSpaldingWallFunctionFvPatchScalarField::calcUTau(), and nutUWallFunctionFvPatchScalarField::calcYPlus().
|
protected |
E coefficient.
Definition at line 115 of file nutWallFunctionFvPatchScalarField.H.
Referenced by nutkWallFunctionFvPatchScalarField::calcNut(), nutUWallFunctionFvPatchScalarField::calcNut(), nutkRoughWallFunctionFvPatchScalarField::calcNut(), nutUSpaldingWallFunctionFvPatchScalarField::calcUTau(), and nutUWallFunctionFvPatchScalarField::calcYPlus().
|
protected |
Y+ at the edge of the laminar sublayer.
Definition at line 118 of file nutWallFunctionFvPatchScalarField.H.
Referenced by nutkWallFunctionFvPatchScalarField::calcNut(), nutUWallFunctionFvPatchScalarField::calcNut(), and nutUWallFunctionFvPatchScalarField::calcYPlus().
1.8.13