particles not passing through sieve

Submitted by jyothish on Thu, 03/08/2018 - 14:07

Hello everyone

I have created a sieve through which particle can pass through (sieve size 75 micrometre) .But when I run the simulation in LIGGGHTS the particles (particle size 50-100 micrometre) does not pass through the sieve instead they settle on top of sieve. Can anyone suggest any method to sole the problem.

Thanks in advance
Jyothish

richti83's picture

richti83 | Thu, 03/08/2018 - 17:13

See https://www.cfdem.com/media/DEM/docu/fix_massflow_mesh_sieve.html

I have tried a "real" sieve out of STL Walls in conjunction with move mesh viblin, but as this require a lot of triangles this leads to very slow simulation speed (rule of thumb: one triangle is as expensive as 11 particles), finally I used the university cluster with ~100 cores but needed 2 weeks as well ..... the result was OK but not as good as I expected. (at this time the massflow/mesh/sieve didn't exist).

Good Luck,
Christian.

I'm not an associate of DCS GmbH and not a core developer of LIGGGHTS®
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