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Re: [Question #663459]: Periodic flow: impose gradP such that Paverage!=0

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: Luc Scholtès <question663459@xxxxxxxxxxxxxxxxxxxxx>
Date: Wed, 24 Jan 2018 17:36:46 -0000
Reply-to: question663459@xxxxxxxxxxxxxxxxxxxxx
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Question #663459 on Yade changed:
https://answers.launchpad.net/yade/+question/663459

    Status: Answered => Open

Luc Scholtès is still having a problem:
Thank you Jerome for your input. As I said, I struggle a little bit with
the periodic boundaries concept.

Still, why would the current "pattern" (in the direction of the flow):

-gradP -- 0 -- +gradP / -gradP -- 0 -- +gradP / -gradP -- 0 -- +gradP

would be more "correct" (consistent?) than the following one:

0-- P -- 2gradP / 0-- P -- 2gradP / 0-- P -- 2gradP

The "windows" you mentioned would also experience the exact same
behavior one relative to another, right? Furthermore, the effect of the
average pressure would be taken into account, no?


Luc

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