Numerical Study of Rock Fragmentation Process and Acoustic Emission by FDEM Based on Heterogeneous Model

Table 1

Input parameters of FDEM model.

Parameters attribution	Parameters	Unit
Triangle solid element	Elastic modulus, E	GPa
	Poisson’s ratio, ν	—
	Density, ρ	kg/m^3
Quadrilateral crack element	Fracture penalty,	—
	Tensile strength,	MPa
	Cohesion, c	MPa
	Internal friction angle,	—
	Mode I fracture energy,	J/m^2
	Mode II fracture energy,	J/m^2
Element contact	Friction angle, φ	—
	Normal penalty parameter,	GPa
	Tangential penalty parameter,	GPa