Research Article
A Dynamic Strain-Rate-Dependent Contact Model and Its Application in Hongshiyan Landslide
Table 1
Model mechanical parameters.
| | PFC | Particle radius (/m) | Particle density (/kg·m-3) | Effective modulus (/GPa) | Normal-to-shear stiffness ratio () | Tensile strength (/MPa) | Cohesion (/MPa) | | 1.5-3.0 | 3900 | 48.1 | 6.0 | 85.8 | 132.0 | | Friction angle (/°) | Friction coefficient () | Moment-contribution factor () | Softening factor () | Softening tensile strength () | | 80 | 1.5 | 0.6 | 4.0 | 0.7 |
| | FLAC | Density (/kg·m-3) | Young’s modulus (/GPa) | Poisson’s ratio () | Internal angle of friction (/°) | Cohesion (/MPa) | | 2600 | 12 | 0.22 | 50 | 0.9 |
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