Effect of Pre-Existing Symmetrical Cracks on Propagation Behaviors of a Blast-Induced Crack

Figure 16

The stress contour of model with the parallel cracks spacing being 40 mm. (a) t = 34.08 μs. (b) t = 43.46 μs. (c) t = 47.01 μs. (d) t = 52.78 μs. (e) t = 57.13 μs. (f) t = 61.50 μs. (g) t = 64.49 μs. (h) t = 68.16 μs. (i) t = 74.87 μs.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)