Research Article
A Study on the Dynamic Transmission Law of Spiral Drum Cutting Coal Rock Based on ANSYS/LS-DYNA Simulation
Table 2
The material parameters of coal and the dirt band.
| Material | Density | Internal friction angle (°) | Cohesion | Strength coefficient | Poisson’s ratio | Elastic modulus | Compressive strength |
| Coal | 1.323 | 58 | 1.45 | 1.9 | 0.23 | 4112 | 5.23 | Rock | 2.403 | 38 | 11.5 | 5.4 | 0.2 | 7670 | 52 |
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