Research Article
Effect of Particle Shape on Mechanical Behaviors of Rocks: A Numerical Study Using Clumped Particle Model
Table 2
Microscopic parameters of PFC3D model.
| | Name | Value |
| | Minimum ball radius, (mm) | 2.5 | | Ball radius ratio, | 1.5 | | Ball density (Kg/m3) | 2600 | | Ball-ball contact Young’s modulus (GPa) | 25 | | Young’s modulus of parallel bond (GPa) | 20 | | Ball stiffness ratio, / | 2.5 | | Parallel bond stiffness ratio | 2.5 | | Particle friction coefficient | 1.0 | | Parallel bond normal strength, mean (MPa) | 130 | | Parallel bond normal strength, std. dev (MPa) | 10 | | Parallel bond shear strength, mean (MPa) | 130 | | Parallel bond shear strength, std. dev (MPa) | 10 |
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