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RESEARCH PAPERS

Penetrations in Shells Under External Pressure

[+] Author and Article Information
R. C. DeHart, L. F. Greimann

Department of Structural Research, Southwest Research Institute, San Antonio, Texas

J. Eng. Ind 92(2), 269-274 (May 01, 1970) (6 pages) doi:10.1115/1.3427728 History: Received June 13, 1969; Online July 15, 2010

Abstract

Penetrations, in the pressure-resistant structure of a submersible, disturb the stress condition in the shell and may cause a premature failure. In this paper, two types of finite-element solutions are used to predict the stress distribution near view port openings in spherical shells under external pressure. Results of experimental stress analyses are also given and compared to the theoretical results.

Copyright © 1970 by ASME
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