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[Luc Scholtès <question662105@xxxxxxxxxxxxxxxxxxxxx>]

Question #662105 on Yade changed:
https://answers.launchpad.net/yade/+question/662105

Luc Scholtès posted a new comment:
Hi Bruno,

Thank you for your message. I figured out the pressure gradient thanks
to the reference given byJerome. Also, I made a mistake in my previous
message regarding the names of the attributes. Sorry for that.

The problem I have is not related to boundaryUseMaxMin but to
bndCondIsPressure (at least, that's my guess).

Actually, I set up boundaryUseMaxMin=[0,0,0,0,0,0]  even though I have 2
boundary walls at ymin and ymax and it seems to work  as long as
wallIds=[-1,-1,1,0,-1,-1] (if wallIds is not specified, the simulation
crashes with "periodicity is broken....").

What I would like to impose is bndCondIsPressure=[1,1,0,0,1,1] (with bndCondValue=[0,0,0,0,0,0]) 
because this is what I thought would be representative of a test with no flux conditions along ymin and ymax (my loading walls) and drainage in the (x,z) plane but it seems that I am doing something wrong.

Luc

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