Research Article
Numerical Analysis of the Mud Inflow Model of Fractured Rock Mass Based on Particle Flow
Table 1
Mesoscopic parameters of numerical simulation materials.
| Kinds | Particle size (mm) | Density (kg·m-3) | Normal stiffness (N·m-1) | Tangential stiffness (N·m-1) | Coefficient of friction | Viscosity (MPa·s) |
| Ball | 0.1 ~ 2.0 | 2300 | | | 0.5 | | Fluid | | 1000 | | | | Functions related to runtime | Wall | | | | | 0.3 | |
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