Pseudo-Cylindrical Shells: A New Concept for Undersea Structures

[+] Author and Article Information
R. H. Knapp

Mechanical Engineering, University of Hawaii, Honolulu, Hawaii

J. Eng. Ind 99(2), 485-492 (May 01, 1977) (8 pages) doi:10.1115/1.3439263 History: Received August 20, 1976; Online July 15, 2010


A new structural concept is proposed which offers promising new alternatives to the design of undersea pressure-resisting structures. This novel geometrical configuration consists of a concave polyhedral cylinder which exhibits stress distributions similar to those in “true” cylinders, but exhibits markedly higher elastic buckling resistance. Several undersea applications of this concept are suggested. Geometrical, stress, and stability properties have been examined by experimental and finite-element analysis.

Copyright © 1977 by ASME
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