Rotating drum(Angular velocity of particles in a grid cell)

Hello,everyone!
Do you know how to output the solid phase angular velocity of DEM particles to the grid in MFIX?
Which.f files are needed?
Thank you.
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If statistics are enough (min/max/mean/std. dev) you can use Monitors to save particle rotational velocity data - this will create a CSV file.

If you want the data for every particle, this can be done as a VTK output. It looks like in this case you get a scalar rather than vector

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Thank you for your help!@cgw
I want the angular velocity data in the grid. Do you know how to operate it?

I’m not sure I understand your question.

Rotational data is per-particle not per-cell. So when you define the output, it has to be “Particle data”, not “Cell data”. Then you can select “Rotational velocity”.

Thank you for your help! @cgw