RESEARCH PAPERS: Stress Analysis and Thermal Effects

Investigation of Thermal Effects on Weapon System Components

[+] Author and Article Information
J. J. Labra

Southwest Research Institute, San Antonio, Texas

J. Vib., Acoust., Stress, and Reliab 105(2), 227-231 (Apr 01, 1983) (5 pages) doi:10.1115/1.3269090 History: Received May 12, 1982; Online November 23, 2009


A three-dimensional stress analysis of a 30-mm machine gun component on the Harrier Aircraft was conducted to investigate the cause of observed fractures. The analysis was made using a general purpose finite element computer program and a laboratory environmental test chamber. Based on this study, the probable cause of failure was identified and, as a result, the component manufacturer is considering possible design changes to alleviate this problem in further production. The study clearly demonstrates that computer-based technology can be successfully used in investigating causes of failure in complex structural components.

Copyright © 1983 by ASME
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