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Rotational peridocity in domain?

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Old   September 13, 2019, 14:02
Default Rotational peridocity in domain?
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I am wondering the limits of what the domain can be in order to apply periodic boundary conditions for a rotational region. I have seen examples in technical articles where the domain (fan, shroud, etc.) are all perfectly revolved cylinders essentially. If I have a circular fan in a square shroud, though, can I still divide it into "sectors" and apply periodic BC's? I mean, the flow field is essentially repeated at each of the four "quadrants" (see attached picture) correct? I feel I should be able to divide the domain into 25%, but am not sure.

Or can one not apply rotational BC's in FloEFD, only translational?
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File Type: jpg Periodicity.jpg (73.3 KB, 1 views)

Last edited by 310toumad; September 13, 2019 at 16:07.
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