interFoam error

openfoam1 · January 12, 2010, 23:21

hi guys

I'm trying to solve 2 phase flow using inter foam and i got that error

FOAM FATAL ERROR:
This mesh contains patches of type empty but is not 1D or 2D
by virtue of the fact that the number of faces of this
empty patch is not divisible by the number of cells.

i have many blocks and i use mergePatchPairs exactilly as in breaking of dam tutorial

mergePatchPairs
(
);

but i don't know why that error , any one have any idea
thanks

jhoepken · January 13, 2010, 04:44

Hi,

As a quick guess, I would suggest to check your constant/polyMesh/boundary file for any patches of type empty. I guess, you have a 3D mesh? Then it is not valid to use patches of type empty for your mesh.

naveen · January 13, 2010, 06:11

hi openfoam1,

i think u hav not specified the boundary conditions like inlet, outlet,wall etc in fields...dont leave empty boundary conditions in inlet,outlet and wall except 3D

January 12, 2010, 23:21	interFoam error	#1
openfoam1 Member Join Date: Dec 2009 Posts: 46 Rep Power: 17	hi guys I'm trying to solve 2 phase flow using inter foam and i got that error FOAM FATAL ERROR: This mesh contains patches of type empty but is not 1D or 2D by virtue of the fact that the number of faces of this empty patch is not divisible by the number of cells. i have many blocks and i use mergePatchPairs exactilly as in breaking of dam tutorial mergePatchPairs ( ); but i don't know why that error , any one have any idea thanks

January 13, 2010, 06:11	interFoam	#3
naveen Senior Member NAVEEN.K.M Join Date: Mar 2009 Location: Bangalore, Karnataka, india Posts: 114 Rep Power: 17	hi openfoam1, i think u hav not specified the boundary conditions like inlet, outlet,wall etc in fields...dont leave empty boundary conditions in inlet,outlet and wall except 3D

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January 13, 2010, 04:44		#2
jhoepken Senior Member Jens Höpken Join Date: Apr 2009 Location: Duisburg, Germany Posts: 159 Rep Power: 17	Hi, As a quick guess, I would suggest to check your constant/polyMesh/boundary file for any patches of type empty. I guess, you have a 3D mesh? Then it is not valid to use patches of type empty for your mesh.