Research Article
Experimental Study on Limestone Cohesive Particle Model and Crushing Simulation
Table 3
The type and value of the contact model parameters.
| | Contact type | BPM parameter type | Values |
| | Red-dark green | Normal stiffness per unit area (N/m3) | 6e + 11 | | Shear stiffness per unit area (N/m3) | 3e + 11 | | Critical normal stress (Pa) | 8e + 6 | | Critical shear stress (Pa) | 4e + 6 | | Bonded disk radius (mm) | 0.6 |
| | Blue-light green green-brown | Normal stiffness per unit area (N/m3) | 6e + 11 | | Shear stiffness per unit area (N/m3) | 3e + 11 | | Critical normal stress (Pa) | 7e + 6 | | Critical shear stress (Pa) | 3.5e + 6 | | Bonded disk radius (mm) | 0.6 |
| | Pink-black | Normal stiffness per unit area (N/m3) | 6e + 11 | | Shear stiffness per unit area (N/m3) | 3e + 11 | | Critical normal stress (Pa) | 6e + 6 | | Critical shear stress (Pa) | 3e + 6 | | Bonded disk radius (mm) | 0.6 |
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