✦ LIBER ✦

A comparison of fragmentation models

✍ Scribed by William P. Schonberg

Publisher: Elsevier Science
Year: 1995
Tongue: English
Weight: 928 KB
Volume: 17
Category: Article
ISSN: 0734-743X
DOI: 10.1016/0734-743x(95)99896-y

No coin nor oath required. For personal study only.

✦ Synopsis

The key to conducting an accurate lethality assessment is the use of a robust assessment methodology. One of the critical components of a lethality assessment is the characterization of the debris cloud created by the initial high speed impact. Without a proper characterization, it is impossible to obtain an accurate prediction of the response of an interior target component to subsequent debris cloud impact loadings. The fast-running codes FATEPEN2, KAPP-II, and PEN4 contain fragmentation models that characterize the debris cloud fragment population resulting from a high speed impact. The objective of the work described in this paper as to compare the predictions of the fragmentation models within these three codes over the 1-16 km/s impact velocity regime. This objective was achieved through a parametric study of debris cloud material characterization using the fragmentation schemes in the FATEPEN2, KAPP-II, and PEN4 semi-empirical lethality assessment schemes for a variety of projectile and target materials and configurations.

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