[subhsngh]

i am trying to get bc for my simulation using potential flow and this message is displayed on terminal


Reading field U


Calculating potential flow
Using dynamicCode for functionObject difference at line 53 in "/home/subh/OpenFOAM/subh-2.2.0/run/cylinder/system/controlDict.functions.difference"


--> FOAM FATAL ERROR:

gradientInternalCoeffs cannot be called for a calculatedFvPatchField
on patch ceiling of field p in file "/home/subh/OpenFOAM/subh-2.2.0/run/cylinder/0/p"
You are probably trying to solve for a field with a default boundary condition.

From function calculatedFvPatchField<Type>::gradientInternalCoef fs() const
in file fields/fvPatchFields/basic/calculated/calculatedFvPatchField.C at line 199.

FOAM exiting


i am also sending my casehttps://www.dropbox.com/s/x9n9o2neim...ylinder.tar.gz