Dynamic Characteristics of the Rotating Penetrating Missile for Attacking Warship Vertically

Table 2

921A steel John–Cook material model constant [14, 15, 16].

(kg/m)	E (GPa)	U	Tr (K)	Tm (k)	A (MPa)	B (MPa)	N
7800	205	0.28	298	1765	490	807	0.73
C	m	D1	D2	D3	D4	D5
0.0114	0.94	0.8	1.732	−0.54	−0.015	0