interFoam ask for a value in a nutkRoughWallFunction

avigrod · October 30, 2013, 08:01

I have defined a rough wall bc using nutkRoughWallFunction, in this way (0/nut):

Code:

object      nut;

[...]

boundaryField
{
    wall
    {
        type            nutkRoughWallFunction;
        Ks              uniform 0.0001;
        Cs              uniform 0.5;
    }

Following instructions from $FOAM_SRC/turbulenceModels/incompressible/RAS/lnInclude/nutkRoughWallFunctionFvPatchScalarField.H

Code:

 Example of the boundary condition specification:
    \verbatim
    myPatch
    {
        type            nutkRoughWallFunction;
        Ks              uniform 0;
        Cs              uniform 0.5;
    }
    \endverbatim

When running interFoam it shows the following error message:

Code:

0/nut.boundaryField.wall from line 26 to line 28.

    From function fvPatchField<Type>::fvPatchField(const fvPatch& p,const DimensionedField<Type, volMesh>& iF,const dictionary& dict,const bool valueRequired)
    in file /home/opencfd/OpenFOAM/OpenFOAM-2.2.2/src/finiteVolume/lnInclude/fvPatchField.C at line 162.

FOAM exiting

lines 26-28 are the ones I paste here within the 0/nut file.

Why is it asking for a value field, if the wall function does not need it? If I put any value, Would it be used for anything? I mean, if I add a "value uniform 0;", it won't influenced anything, will it?

Thank you in advance!

olivier78 · August 13, 2014, 08:46

same problem here

tomf · August 14, 2014, 03:49

It is just needed for the first iteration and will be overwritten afterwards, so just put uniform 0, or maybe a small value.

October 30, 2013, 08:01	interFoam ask for a value in a nutkRoughWallFunction	#1
avigrod New Member Antonio Join Date: Jan 2013 Posts: 11 Rep Power: 13	I have defined a rough wall bc using nutkRoughWallFunction, in this way (0/nut): Code: object nut; [...] boundaryField { wall { type nutkRoughWallFunction; Ks uniform 0.0001; Cs uniform 0.5; } Following instructions from $FOAM_SRC/turbulenceModels/incompressible/RAS/lnInclude/nutkRoughWallFunctionFvPatchScalarField.H Code: Example of the boundary condition specification: \verbatim myPatch { type nutkRoughWallFunction; Ks uniform 0; Cs uniform 0.5; } \endverbatim When running interFoam it shows the following error message: Code: 0/nut.boundaryField.wall from line 26 to line 28. From function fvPatchField<Type>::fvPatchField(const fvPatch& p,const DimensionedField<Type, volMesh>& iF,const dictionary& dict,const bool valueRequired) in file /home/opencfd/OpenFOAM/OpenFOAM-2.2.2/src/finiteVolume/lnInclude/fvPatchField.C at line 162. FOAM exiting lines 26-28 are the ones I paste here within the 0/nut file. Why is it asking for a value field, if the wall function does not need it? If I put any value, Would it be used for anything? I mean, if I add a "value uniform 0;", it won't influenced anything, will it? Thank you in advance!

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August 13, 2014, 08:46		#2
olivier78 New Member Olivier Benichou Join Date: Sep 2010 Location: Brisbane Posts: 10 Rep Power: 15	same problem here

August 14, 2014, 03:49		#3
tomf Senior Member Tom Fahner Join Date: Mar 2009 Location: Breda, Netherlands Posts: 634 Rep Power: 32	It is just needed for the first iteration and will be overwritten afterwards, so just put uniform 0, or maybe a small value.