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

Figure 22

Numerical simulation results of EFP formation for four different spherical arc radii. (a) r = 2.5 mm (t = 240 μs,  = 1410 m/s). (b) r = 5 mm (t = 240 μs,  = 1403 m/s). (c) r = 7.5 mm (t = 240 μs,  = 1390 m/s). (d) r = 10 mm (t = 240 μs,  = 1381 m/s).

(a)

(b)

(c)

(d)