Formation of an Explosively Formed Penetrator Warhead Using a Step-Shaped Charge

Figure 20

Numerical simulation of EFP formation for four different numbers of steps. (a) a = 3 (t = 240 μs,  = 1403 m/s). (b) a = 4 (t = 240 μs,  = 1401 m/s). (c) a = 6 (t = 240 μs,  = 1400 m/s). (d) a = 8 (t = 240 μs,  = 1399 m/s).

(a)

(b)

(c)

(d)