Research Article
A Coupled Elastoplastic Damage Dynamic Model for Rock
Table 1
The conical plug height of granite target plate impacted by bullets and the diameter of crater on the back of target plate.
| ā | Conical plug height (mm) (relative error) | Diameter of the crater on the back of the target plate (mm) (relative error) |
| Experiment [30] | 65 | 312 | Analytical value [30] | 77 (18.5%) | 455 (45.8%) | Numerical simulation | 65.9 (1.4%) | 246.1 (21.1%) |
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