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33 pages, 211163 KiB  
Article
Ballistic Impacts with Bullet Splash—Load History Estimation for .308 Bullets vs. Hard Steel Targets
by Riccardo Andreotti, Andrea Casaroli, Ivan Colamartino, Mauro Quercia, Marco Virginio Boniardi and Filippo Berto
Materials 2023, 16(11), 3990; https://doi.org/10.3390/ma16113990 - 26 May 2023
Cited by 4 | Viewed by 3637
Abstract
The study focuses on testing a simplified way of estimating the resultant force due to ballistic impacts resulting in a full fragmentation of the impactor with no penetration of the target. The method is intended to be useful for the parsimonious structural assessment [...] Read more.
The study focuses on testing a simplified way of estimating the resultant force due to ballistic impacts resulting in a full fragmentation of the impactor with no penetration of the target. The method is intended to be useful for the parsimonious structural assessment of military aircrafts with integrated ballistic protection systems by means of large scale explicit finite element simulations. The research investigates the effectiveness of the method in allowing the prediction of the fields of plastic deformation collected by hard steel plates impacted by a wide range of semi-jacketed, monolithic, and full metal jacket .308 Winchester rifle bullets. The outcomes show the effectiveness of the method being strictly related to the full compliance of the considered cases with the bullet-splash hypotheses. The study therefore suggests the application of the load history approach only after careful experimental investigations on the specific impactor–target interactions. Full article
(This article belongs to the Special Issue Computational Mechanics of Structures and Materials)
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