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[Robert Caulk <question626580@xxxxxxxxxxxxxxxxxxxxx>]

Question #626580 on Yade changed:
https://answers.launchpad.net/yade/+question/626580

    Status: Open => Answered

Robert Caulk proposed the following answer:
Hello,

>I just take into account the actual particle size is very small, so the
calculation is very large. Did you try to >simulate experiment with the
actual particle size?

In some cases you can use DEM as a discretization of space. In other
cases, you can let the DE represent the actual particles. Of course, if
your particles are very small you won't be able to simulate a large
volume without incurring great computational costs as you mention. PFV
doesn't discriminate between the two cases, it simply creates a pore
network based on the packing you give it.

>There is another problem in my simulation. I find that the variations
of pore pressure with time at different >depths are the same phase, It
is also not reasonable. The pressure curves should have a phase
difference.

Have you calibrated the packing permeability?

Best,

Robert

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