Multisphere Representation of Convex Polyhedral Particles for DEM Simulation

Figure 2

A flow chart of the algorithm for clump generation for a polyhedral particle:(a) the tetrahedral particle; (b) placement of spheres at corners; (c) placement of spheres along edges; (d), (e), (f), (g), (h), and (i) placement of spheres on a facet.