A Three-Dimensional Numerical Investigation of Dynamic Fracture Characteristics of Rock Specimens with Preexisting Surface Flaws

Figure 2

Numerical model of the rock specimen under dynamic loading conditions, where a, b, and c refer to the single flaw, two parallel flaws, and three parallel flaws. (a) The single flaw mode. (b) The two parallel flaws mode. (c) The three parallel flaws mode.

(a)

(b)

(c)