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Re: [Question #247705]: PFV problems with sedimentation in fluid

To: yade-users@xxxxxxxxxxxxxxxxxxx
From: liucheng83 <question247705@xxxxxxxxxxxxxxxxxxxxx>
Date: Sun, 27 Apr 2014 15:16:55 -0000
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Question #247705 on Yade changed:
https://answers.launchpad.net/yade/+question/247705

    Status: Answered => Open

liucheng83 is still having a problem:
Hi, Jakob, Donia.
Thank you!

It is true, the boundary conditions seems not working when flow.bndCondIsPressure is set as zero flux boundary in six sides.
And flow.bndCondIsPressure=[0,0,1,1,0,0] works.

But the FlowEngine has more things I am not sure:
(1) The default viscosity of fluid is 1, not 0.001Pa.s for water, why? Is the default Values of unit not International unit ?
(2) There is no setting for fluid density, What the default value of it?
(3) There is no buoyant force, when a sedimentation simulation, how to calculate it for different spheres.

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