Modeling Simultaneous Multiple Fracturing Using the Combined Finite-Discrete Element Method

Table 1

Parameters of validation 2.

Parameters	Value
Time step, (s)
Injection pressure (MPa)	0.8
Rock parameters
Bulk density, (kg/m^3)	1100
Young’s modulus, (GPa)	4.0
Poisson’s ratio,	0.3
Joint element parameters
Tensile strength, (MPa)	0.3
Cohesion, (MPa)	1.0
Friction angle, (°)	32
Energy release rate, , (J/m^2)	1.0, 10.0
Fluid parameters
Bulk modulus of fluid, (GPa)	2.2
Viscosity, μ (Pa·s)	0.001
Initial value of aperture, (m)