Numerical Study of Spherical Particle Breakage Based on Nonlinear Discrete Interface Bonded Model

Table 1

Contact generation parameters and contact mechanics parameters based on the discrete contact surface bonded model.

Mesoscopic parameter	Parameter description	Value
	Number of radial discrete elements
	Number of circumferential discrete elements
	Contact radius amplification control parameters
	Contact radius magnification factor
	Contact installation distance
	Initial distance between contact surfaces
	Contact bonded ratio
	Contact separation ratio
	Effective modulus of elasticity
	Normal-tangential stiffness ratio
	Surface friction coefficient
	Bond tensile strength
	Mohr shear strength parameter
	Effective modulus of elasticity (linear stiffness)
	Normal-tangential stiffness ratio (linear stiffness)
	Surface friction coefficient (linear stiffness)