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.

 Conical plug height (mm) (relative error)Diameter of the crater on the back of the target plate (mm) (relative error)

Experiment [30]65312
Analytical value [30]77 (18.5%)455 (45.8%)
Numerical simulation65.9 (1.4%)246.1 (21.1%)