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

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From: Jérôme Duriez <question663459@xxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 25 Jan 2018 08:13:26 -0000
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Question #663459 on Yade changed:
https://answers.launchpad.net/yade/+question/663459

    Status: Open => Answered

Jérôme Duriez proposed the following answer:
>From my understanding, I would more consider the pressure field along
the infinite problem being something like

-infinity -- -infinity + gradP*L -- -infinity + gradP*2L / -infinity +
gradP*2L -- -infinity + gradP*3L -- -infinity + gradP*4L / ..... /
-gradP*L -- 0 -- +gradP*L / .... / infinity -gradP*2L -- infinity -
gradP*L -- infinity

(from the "left" of the infinite problem, to the "right"...)


In your examples #2 or #3 I think you describe pressure discontinuity, with the different values across the cell edges (the "/"). Which is maybe not the way to go ?..

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