[leinad]

Hello

I was hoping some one can help me out, i am trying to simulate a fan in a fluid domain see picture.
I have looked at the TjunctionFan example and as i understand it the fan has to be defined as a cyclic boundary condition.
In my case I am importing a mesh from fluent, does the createbaffles and toposet still apply in this case.
And if so how to i apply it to my model i have both ends of the fan defined as a patch
currently.

[leinad]

Ok so i am trying to make this work i have used Helyx for the initial set up, I then attempted to add in the fanPressure BC but i get the following error

/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.3.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.3.1-bcfaaa7b8660
Exec : simpleFoam
Date : Jul 31 2015
Time : 17:21:22
Host : "oneab-300E4C-300E5C-300E7C"
PID : 4292
Case : /home/daniel/Desktop/RUN/JetFan
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Allowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0

Reading field p


/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 2.3.1 |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
Build : 2.3.1-bcfaaa7b8660
Exec : simpleFoam
Date : Jul 31 2015
Time : 17:21:22
Host : "oneab-300E4C-300E5C-300E7C"
PID : 4292
Case : /home/daniel/Desktop/RUN/JetFan
nProcs : 1
sigFpe : Enabling floating point exception trapping (FOAM_SIGFPE).
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Allowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0

Reading field p



--> FOAM FATAL IO ERROR:
inconsistent patch and patchField types for
patch type cyclic and patchField type fanPressure

file: /home/daniel/Desktop/RUN/JetFan/0/p.boundaryField.jtf_inlet from line 27 to line 32.

From function fvPatchField<Type>::New(const fvPatch&, const DimensionedField<Type, volMesh>&, const dictionary&)
in file /home/openfoam/OpenFOAM/OpenFOAM-2.3.1/src/finiteVolume/lnInclude/fvPatchFieldNew.C at line 172.

FOAM exiting

--> FOAM FATAL IO ERROR:
inconsistent patch and patchField types for
patch type cyclic and patchField type fanPressure

file: /home/daniel/Desktop/RUN/JetFan/0/p.boundaryField.jtf_inlet from line 27 to line 32.

From function fvPatchField<Type>::New(const fvPatch&, const DimensionedField<Type, volMesh>&, const dictionary&)
in file /home/openfoam/OpenFOAM/OpenFOAM-2.3.1/src/finiteVolume/lnInclude/fvPatchFieldNew.C at line 172.

FOAM exiting

any one got an idea why i am getting this error. http://we.tl/1CKT9Rwh0m(case folder)

[chegdan]

I just noticed this one out there but I'm sure it's answered already. the fanPressure BC is actually derived from patch and not from cyclic. The error that you are seeing basically states that your base type defined in constant/polyMesh/boundary for jtf_inlet needs to be changed from cyclic to type patch. Then you can setup the fanPressure bc.