Abstract
This paper deals with the numerical simulation and analysis of a ballistic plate made of layers consisting of Boron carbide, Titanium di-boride and Ultra high molecular weight polyethylene and it is impacted by a 7.62*39mm AP core bullet at a muzzle velocity of 800m/s. Thickness of the ballistic plate was varied by varying the thickness of Titanium Diboride plate. Plates of thickness 13 mm, 15 mm, 17 mm was tested separately. Numerical computation and analysis was conducted using ANSYS Explicit Dynamics. Computational solutions of deformation, stress propagation, back-face stress, and muzzle velocity changes after impact was calculated and validated against the standards set by National Institute of Justice. The best plate was simulated with a .30 Caliber bullet at 878 m/s. The simulation results were used to predict the accurate behavior of the ballistic plate in real time environment. The results obtained proofs that this ballistic plate was capable of neutralizing threats up to level IV as set by NIJ and the ballistic plate was found to increase in strength with successive hits as compared to ballistic plates which deteriorates with successive hits.
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