Analysis of overload response characteristics of high-speed penetration of composite heterogeneous warhead

Simulation analysis of composite structure projectile high-speed penetration thick target was carried out to investigate the characteristic law of fuse dynamics response of composite structure projectile body. ANSYS/LS-DYNA software was utilized to carry out numerical simulations of a composite structure projectile and a conventional projectile positive penetration concrete thick target to compare the dynamic response of the components of the composite structure projectile during penetration. From the results, it was concluded that during composite structure projectile body penetration, a secondary peak in the overload signals on the projectile body and fuse components occurs when the projectile was fully eroded. When the initial velocity of composite structure projectile body was higher, the erosion rate of projectile was faster. When projectile was completely eroded, the overload characteristic signals on projectile body and fuse appear earlier and more pronounced.