Analysis of the Influence of Fault Fracture Zone on Mining Response Based on FDM-DEM Coupling

Table 2

Mechanical parameters in the DEM.

Type	Parameter	Symbol	Value
Input microparameters	Contact Young’s modulus	(Pa)
	Normal-to-shear stiffness ratio		2.0
	Friction coefficient	μ	0.5
	Gravel size	(m)	0.25-2 m
	Density	ρ (kg/m^3)	2400