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cyclic BC only for some variables

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Old   September 14, 2020, 04:28
Default cyclic BC only for some variables
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Howdy Foamers:

I would like to ask question before considering implementing a new boundary condition for it.

My domain has two cyclic boundaries, where flow out in one of the cyclic boundaries will be fed back to the other cyclic boundary. However, I would like to prevent other variables (e.g., species) from feeding back.

I could contemplate writing a new boundary condition where cyclic is applied to velocity only, and everything else will be set to zeroGradient, but before I do that I would like to know if there already exists a way to do this in OpenFOAM.

Thanks in advance, Gerry.
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