Description🔗
The nutkFilmWallFunction
is boundary condition that provides
a turbulent viscosity condition when
using wall functions, based on turbulence kinetic energy, for use with
surface film models.
Usage🔗
The condition requires entries in both the boundary and field files.
Boundary file🔗
<patchName>
{
type patch;
...
}
Field file🔗
<patchName>
{
// Mandatory entries
type nutkFilmWallFunction;
// Optional entries
filmRegion <word>;
B <scalar>;
yPlusCrit <scalar>;
// Inherited entries
...
}
where:
Property | Description | Type | Required | Default |
---|---|---|---|---|
type |
Type name: nutkFilmWallFunction
|
word | yes | - |
B |
B coefficient | scalar | no | 5.5 |
yPlusCrit |
y+ value for laminar -> turbulent transition | scalar | no | 11.05 |
The inherited entries are elaborated in:
- nutkWallFunctionFvPatchScalarField.H
Further information🔗
Tutorial:
Source code:
API:
History:
- Introduced in version 2.0.0