ABSTRACT
Design of a warhead that forms upon detonation an explosively formed penetrator
(EFP) capable of penetrating a specific rolled homogeneous armor (RHA) is the main
theme of this paper. Six different preliminary warhead models have been simulated
using Autodyn-2D code. The main features of each EFP formed from each
preliminary model are predicted. The obtained results serve in determining the
design parameters of the required (refind) warhead model. In addition, the simulated
EFP from the refined warhead model and its penetration into a specific RHA have
been simulated.
Samples of the obtained predicted results by the code for EFPs formed from different
preliminary and refined warhead models, respectively, are presented with relevant
analysis and discussions. For the refined warhead model, the code predicts that the
obtained EFP has a high velocity, high aspect ratio and is capable of penetrating the
RHA to the specified thickness. Moreover, the influence of explosive type, its aspect
ratio and liner material of the refined model on the formed EFP have been predicted.