Research on the Effect of Particle Distribution on the Crack Propagation in Shaped Energy Blasting Based on the Smoothed Particle Hydrodynamics

Table 1

Mechanical parameters of granite used in LS-DYNA.

Parameters		Kuru
Equation of state
Reference density		2773.00
Bulk modulus		47.20
Johnson–Holmquist strength model
Shear modulus		24.90
Hugoniot elastic limit		4.50
Impact strength constant		1.44
Impact strength exponent		0.78
Strain rate constant		0.005
Fracture strength constant		0.48
Fracture strength exponent		0.78
Max. Fracture strength ratio		0.20
Johnson–Holmquist failure model
Hydrostatic tensile limit	HTL	48.00
Damage constant		0.005
Damage constant		0.70
Bulking constant		1.00
Type of tensile failure		Hydro
Geometric strain	Incremental	1.50