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