Shock and Vibration

Shock and Vibration / 2001 / Article

Open Access

Volume 8 |Article ID 362815 |

Mark Bundy, "Aerodynamic Jump: A Short Range View for Long Rod Projectiles", Shock and Vibration, vol. 8, Article ID 362815, 3 pages, 2001.

Aerodynamic Jump: A Short Range View for Long Rod Projectiles

Received15 Oct 2001
Revised15 Oct 2001


It is shown that aerodynamic jump for a nonspinning kinetic energy penetrator is not – as conventional definitions may infer – a discontinuous change in the direction of motion at the origin of free flight, nor is it the converse, a cumulative redirection over a domain of infinite extent. Rather, with the aid of an alternative kinematical definition, it is shown that aerodynamic jump for such a projectile is a localized redirection of the center-of-gravity motion, caused by the force of lift due to yaw over the relatively short region from entry into free flight until the yaw reaches its first maximum. A rigorous proof of this statement is provided, but the primary objective of this paper is to provide answers to the questions: what is aerodynamic jump, what does it mean, and what aspects of the flight trajectory does it refer to, or account for.

Copyright © 2001 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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