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[waves2Foam] cyclic boundary condition

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Old   October 29, 2014, 16:39
Default cyclic boundary condition
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I want to simulate a channel flow in a periodically repeating geometry, themesh generator is Gambit, I define my boundary conditions in gambit using"wall" not "periodic" or something else, after i converted the mesh with fluentMeshToFoam, in constant/polymesh/boundaryi changed wall to cyclic for my periodic boundaries(inlet& outlet). Asshown in blow
type cyclic;
neighbourPatch inlet;
type cyclic;
neighbourPatch outlet;
type fixedValue;
value uniform 300;
type fixedValue;
value uniform 200;
type empty;

its ok, but after some times, I havefollowing error message
FOAM FATAL ERROR, attemo to casttype patch to type LduInterface
FOAM aborting, foam::error:rint stack
Can you tell me how i solve this issue.

Thank you for your help.
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