Abstract
Abstract The emergence of penetrating warheads poses a great threat to thick concrete targets. Initiators play a crucial role in the reliable and effective damage of penetrating warheads. In order to study the damage characteristics of initiators in penetrating overload environments, this paper uses LS-DYNA finite element numerical simulation software to study the damage characteristics of initiators under penetrating thick concrete conditions. By comparing and analyzing the stress, overload, and structural changes of various components of semiconductor bridge initiators at different stages. The results indicate that the overload experienced by initiators is greater than that experienced by projectiles, and their overload curves are more oscillatory. The internal structure of initiators amplifies the overload, making the penetration overload environment more severe for Initiators. Predicting the vulnerable areas of semiconductor bridge initiators during penetration provides direction for the redesign and reinforcement of initiators in the future.
Published Version
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