|June 20, 2012, 22:09||
simpleFoam airfoil2d Continuity error cannot be removed
Join Date: Apr 2012
Posts: 10Rep Power: 6
I'm trying to run simpleFoam for a 2D airfoil using a c-grid. I'm using the same data as the airFoil2D default case in OpenFOAM 2.1.x
I get the following error,
--> FOAM FATAL ERROR:
Continuity error cannot be removed by adjusting the outflow.
Please check the velocity boundary conditions and/or run potentialFoam to initialise the outflow.
Total flux : 1e-300
Specified mass inflow : 5.43699
Specified mass outflow : 0
Adjustable mass outflow : 0
From function adjustPhi(surfaceScalarField& phi, const volVectorField& U,const volScalarField& p
in file cfdTools/general/adjustPhi/adjustPhi.C at line 118.
Could someone help me out with the following,
1. I'm not sure if this is an issue with OpenFOAM or with the grid
2. How to rectify this error
Thanks a lot guys,
|August 6, 2012, 23:32||
bouyantBoussinesqSimpleFoam continuity error
|August 9, 2012, 13:58||
Join Date: Oct 2011
Location: Columbus, Ohio
Blog Entries: 1Rep Power: 6
When you run potentialFoam, it will initialize the U field and write a new boundary condition file called phi which is not compatible with compressible flow. Just delete the phi field and if there are no other errors, your case should run perfectly :-)
A small suggestion - If you are running your case in parallel, run potentialFoam in series so that you can delete just 1 file and then decompose and run the case instead of deleting the file from all the processors.
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