Effect of the Preexisting Fissure with Different Fillings in PMMA on Blast-Induced Crack Propagation

Figure 21

Relationship between fillings and pressure (all pressures are absolute values, but in fact, the pressure values are negative in (b) and (c)). (a) θ = 0°; (b) θ = 45°; (c) θ = 90°.

(a)

(b)

(c)