Three-Dimensional Discrete Element Analysis of Crushing Characteristics of Calcareous Sand Particles

Table 2

Microscopic parameters of numerical simulation.

Category	Model		Particle parameters					Particle crushing criterion parameters
Parameters	/mm	/mm			/GPa
Value	39.1	80	2.71	0.5	0.02	0.3		2	0.01	2.91

Note: is the sample diameter; is the sample height; is the particle density; is the friction coefficient of particles; is the shear modulus of particles; is the Poisson’s ratio of particles; is the ultimate particle size of particle breakage; is the reference particle size; is the crushing strength corresponding to the reference particle size; is the Weibull modulus.