Simulation on a Novel Rotated Penetrating Projectile

In order to achieve damage efficiency of rotated earth penetrating projectile,spiral groove was shaped on the surface of projectile.Numerical simulations were carried out through Ls-DYNA3D and finite element model created by TrueGrid,and the interaction laws of the three kinds of projectiles and concrete target were preliminarily discussed,meanwhile,the damage efficiency of the three kinds of projectiles was obtained.The penetrating performance of the projectile with spiral groove improves by 20% because of the running torque produced by the spiral groove.The result of the research can provide a reference for increasing penetrating depth of earth penetrating projectile.