[Nek5000-users] Recycling boundaries with multiple inlets and outlets

[nek5000-users at lists.mcs.anl.gov]

Hello,

I have been successfully using a recycling boundary script on a 3-d pipe thanks to Aleks and am now looking at a more complicated mesh that involves multiple inlets and outlets. For the sake of simplicity, let assume that there are two inlets I1 and I2 and two outlets O1 and O2. My objective is to set recycling bc with the following pattern: I1->O1 and I2->O2. Aleks suggested to tag each boundary and use some sort of it statement in ‘userchk’.


  *   is this the correct approach?
  *   if it is, how do I implement this in Nek5000?

Any help/comment would be appreciated.

Thanks,
Marco
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