Effect of Blast Wave on High Velocity or High Energy Projectiles

Abstract

Passive armours are the conventional methods used for protection of AFV against high velocity or high energy projectile threats. But due to improvised penetration capabilities of modern projectiles, these passive armours do not meet the expected safety standards. Hence, alternate counter measure mechanisms need to be developed to enhance the protection level. One of the kill mechanism is deflecting the incoming projectile using blast wave. Directed or controlled blast wave is generated, which creates blast wave in close ranges of the projectile. This blast wave intercepts/deflects the path of the projectile. In this paper, finite element based explicit dynamic analysis is done to analyze the effect of two different kill mechanisms of countermeasure against two different projectile threats. Blast wave effect against long rod penetrator and fragmentation effect against high energy (HE) projectiles are considered in the present paper.