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[Bruno Chareyre <question685707@xxxxxxxxxxxxxxxxxxxxx>]

Question #685707 on Yade changed:
https://answers.launchpad.net/yade/+question/685707

Bruno Chareyre proposed the following answer:
Hi,
A periodic problem has no boundaries and therefore "flow.getBoundaryFlux(1)" is meaningless (Body #1 is not a boundary anyway).
What you want is "flow.averageVelocity()".

In order to impose pressure at (x,y,z) coordinates you need flow.imposePressure(). Better avoid playing with mesh elements directly since they change all the time.
Cheers
Bruno

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