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Cyclic BC on cylinder: "Cannot match vectors to faces on both sides of patch"

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Old   December 12, 2014, 05:48
Question Cyclic BC on cylinder: "Cannot match vectors to faces on both sides of patch"
Davide D.
Join Date: Oct 2012
Location: Birmingham (UK)
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Hi everyone,

I built an axis-symmetric wedge and selected cyclic BC on the wedge faces. BlockMesh actually builds the mesh, but returns an error:

--> FOAM Serious Error : 
    From function cyclicPolyPatch::order(const primitivePatch&, labelList&, labelList&) const
    in file meshes/polyMesh/polyPatches/constraint/cyclic/cyclicPolyPatch.C at line 1402
    Patch:anticlock : Cannot match vectors to faces on both sides of patch
    Perhaps your faces do not match? The obj files written contain the current match.
Nevertheless, checkMesh returns "Mesh OK".
Can anyone explain what it means?

I am attaching the blockMesh file together with a snapshot of the mesh and the output of blockMesh and checkMesh commands.

Thank you in advance




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blockmesh, cyclic bc, cylinder mesh, wedge

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