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#1 |
Member
lynda
Join Date: Oct 2009
Posts: 52
Rep Power: 17 ![]() |
hello,
I have a configuration composed of two coaxial cylinders, the length of inner cylinder is inferior to that of the outer cylinder. so it's a 2D axisymmetric problem. my problem lies in the boundary conditions of the inner cylinder, precisely in the cylinder walls inside. These are my bets: patches ( wall fixedWall ( (3 4 10 9) // internal cylinder walls (length L1) (6 7 13 12) //outer cylinder wall (length L1) (7 8 14 13) //outer cylinder wall (length L2) ) BlockMesh gives me the following error message : >> Trying to specify a boundary face 4(3 4 10 9) on the face on cell 0 which is either an internal face or already belongs to some other patch. This is face 0 of patch 0 named fixedWall. how to fix this error please????? ![]() ![]() |
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#2 |
Senior Member
Bernhard
Join Date: Sep 2009
Location: Delft
Posts: 790
Rep Power: 22 ![]() |
The error message is quite clear. The first face in your list (3 4 10 9) is already in some other patch. Or it is not a boundary patch but internal.
Did you check your geometry with Paraview for example, to check this? |
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#3 |
Member
lynda
Join Date: Oct 2009
Posts: 52
Rep Power: 17 ![]() |
hello,
to save time, I want to start my calculations in parallel, but I did not understand the method explained in the manual. can you send me an example that was already done, explaining the whole procedure. thanks |
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