Numerical Study of Particle Morphology Effect on the Angle of Repose for Coarse Assemblies Using DEM

Table 3

DEM parameter list.

Parameters	Value
Particle density	2700
Contact normal stiffness (N/m)
Contact shear stiffness (N/m)
Contact normal stiffness of wall particle (N/m)
Contact shear stiffness of wall particle (N/m)
Wall-particle coefficient of friction	0.5
Particle-particle coefficient of sliding friction	0.2, 0.3, 0.4, 0.5, 0.6
Damping ratio	0.8
Damp	0.2