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-   -   difficulty in defining cycliGGI (http://www.cfd-online.com/Forums/openfoam/69016-difficulty-defining-cycliggi.html)

mixer October 9, 2009 03:52

difficulty in defining cycliGGI
 
Dear Foamers

Can someone let me know where i may be going wrong while using OF-1.5-dev version with MRFSimpleFOAM using cyclicGGI

I am getting the following error while floating serial run

keyword zone is undefined in dictionary "/home/tab01c/OpenFOAM/tab01c-1.5-dev/run/tutorials/ConvertCFX2OF/Mixer_Single/constant/polyMesh/boundary::IMPELLERPERIODIC-SIDE-1"
file: /home/tab01c/OpenFOAM/tab01c-1.5-dev/run/tutorials/ConvertCFX2OF/Mixer_Single/constant/polyMesh/boundary::IMPELLERPERIODIC-SIDE-1 from line 55 to line 61.
From function dictionary::lookupEntry(const word& keyword) const
in file db/dictionary/dictionary.C at line 213.
FOAM exiting

Now, one of the the entry in my polymesh/boundary file is:
IMPELLERPERIODIC-SIDE-1
{
type cyclicGgi;
separationOffset (0 0 0 );
rotationAxis (1 0 0 ) ;
rotationAngle 90;
shadowPatch IMPELLERPERIODIC-SIDE-2;
nFaces 226;
startFace 65468;
}
IMPELLERPERIODIC-SIDE-2
{
type cyclicGgi; //rotational periodicity
nFaces 226;
startFace 65694;
shadowPatch IMPELLERPERIODIC-SIDE-1 ;
rotationAxis (1 0 0) ;
rotationAngle -90;
separationOffset (0 0 0 );
}

Now, where do i have to additionally define the zone. My MRFZones has only this entry:
MRFZones
1
(
IMPELLER
{
patches (WALLIMPELLER);
origin origin [0 1 0 0 0 0 0] (0 0 0);
axis axis [0 0 0 0 0 0 0] (0 0 1);
omega omega [0 0 -1 0 0 0 0] 0;
}
)

mbeaudoin October 9, 2009 09:55

Take a look at this tutorial:

OpenFOAM-1.5-dev/tutorials/icoDyMFoam/mixerGgi

Martin


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