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[Robert Caulk <question699272@xxxxxxxxxxxxxxxxxxxxx>]

Question #699272 on Yade changed:
https://answers.launchpad.net/yade/+question/699272

    Status: Needs information => Answered

Robert Caulk proposed the following answer:
It sounds like quite an expensive simulation, considering the size
distribution of the particles.

PFV was created for stoke's flow in dense granular packings. It seems
that since you have extremely small particles moving freely through the
system, then it is not a dense packing. If the small particle migrations
can be modeled more analytically, then you could try to model their
movements as a sort-of "concentration" in a species transport sense
which depends on the macro fluid fluxes of the triangulated space
between your larger particles.

I'm not expert on LBM, but it seems you are not trying to simulate fluid
surfaces so I don't think it is applicable.

CFD-DEM would certainly resolve the problem but it still seems like it
is probably going to be extremely expensive.

Cheers,

Robert

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