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How the cyclic boundary condition affect the coefficient matrix

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Old   January 5, 2013, 11:17
Default How the cyclic boundary condition affect the coefficient matrix
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Hi all,

does anyone examine on how the cyclic boundary condition is implemented? I apply the cyclic boundary condition to the inlet and outlet in a 2D pipe flow, and it works well (generating parabolic flow with right maximum velocity). But I find that the neighbor/owner list of the cyclic boundary generated by 'blockMesh' has no difference with that of normal inlet/outlet boundary.
I think the crucial code is not in 'cyclicFvPatchField.C'. can someone kindly give me some hint which part in OpenFOAM deal with the cyclic boundary in generating the coefficient matrix? Thanks.

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