Title: Numerical simulation research on steel/ceramic composite target plate structure against penetration of high-speed projectile
Abstract: This study is mainly based on LS-DYNA to simulate the entire process of high-speed projectile penetration into the steel-ceramic composite target structure. In the process of projectile penetration into the target, the impact speed of projectile, the structure of steel-ceramic composite target plate and other key factors on the target failure and target transient response and the law are explored. The article tried different thickness combinations of the steel plate ceramic structure, obtained the best thickness combination according to the after-effect of penetration, and analyzed the remaining velocity and remaining rod length of the projectile. The results show that the composite target plate has the best protection performance under the condition of the thickness ratio of panel-sandwich-back plate of 1:2:1, and the composite target plate has better anti-penetration performance against projectiles with a speed greater than 1500 m/s.