This is an example how to create a Rocky DEM model
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1:16 Set physics
1:33 Rolling resistance & Softening factor
1:52 Collected collision data
3:18 Set geometry
3:43 Import geometry
4:38 Set rotation
5:25 Add rotation interval
5:55 Assign rotation
6:32 Add wear model
6:52 Set mesh size
7:02 Set particles
7:21 Create materials
8:26 Set interaction properties
9:15 Create general shape particles
9:28 Specify Particle Size Distribution (PSD)
9:58 Specify rolling resistance
10:29 Create spherical particles
11:19 Volume fill (generate particles)
12:40 Set doman
12:54 Collect contact data
13:02 Set periodic boundary condition
13:28 Solver properties
14:55 Post processing animation
15:39 Colour by material
16:40 Colour by radial displacement
17:10 Compute customised value
19:20 Colour by velocity
19:41 Colour by impact