Numerical investigation of modern threats for ground vehicles with emphasis on fragmentation behavior during hard kill scenario

Morten Rikard Jensen, Philip Mulligan and Kshitiz Khanna

The Journal of Defense Modeling and Simulation, 2024, vol. 21, issue 4, 453-462

Abstract: The research covered in this paper is related to numerical modeling of realistic threats. The final goal is to simulate the effects from the impact of an RPG-7 projectile on a GAZ-2975 Tigr infantry vehicle protected by an ERA. The fragmentation that results from the impact is studied. Leading up to the final model, several models are created, starting with an explosively driven cylinder to study fragmentation modeling. The next step was modeling the setup defined by NATO STANAG 4526 which was used to characterize the impact from an RPG-7. Based upon these results, a generic RPG-7 model was developed which impacted an ERA, modeled as two plates with a layer of high explosive (HE) between them. All models ran successfully to normal termination, and they showed how numerical tools can be used to describe and investigate these very complicated events.

Keywords: Hard kill; modern threats; ground vehicles; fragmentation; shape charge; rocket-propelled grenade; active protection systems; explosive reactive armor; γSPH; smooth particle hydrodynamic; jet forming; fragment trajectory (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:sae:joudef:v:21:y:2024:i:4:p:453-462

DOI: 10.1177/15485129231153637

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