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Re: [Question #690803]: bndCondIsPressure

 

Question #690803 on Yade changed:
https://answers.launchpad.net/yade/+question/690803

Luc Scholtès proposed the following answer:
Hi Guilherme,

If you want to impose a unidimensional flow in your sample along a given
direction by imposing a pressure difference, you need to set
condIsPressure=1 for both in and out coordinates along this direction
and to define the in and out pressures.

For instance, in your case, it seems that you want to impose a pressure
difference P2-P1 in the y direction so you need to set

bndCondIsPressure = [0,0,1,1,0,0]
bndCondValue = [0,0,P1,P2 0,0]

Like this, you should be able to compute the permeability following
Darcy's law (or a derivative of it) by relating the computed flux and
the imposed pressure difference.

Luc

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