Experimental Investigations of Prebuckled Cylinders Under External Pressure

[+] Author and Article Information
R. H. Knapp, C. Dumlao

Department of Mechanical Engineering, University of Hawaii, Honolulu, Hawaii

J. Eng. Ind 101(2), 178-184 (May 01, 1979) (7 pages) doi:10.1115/1.3439492 History: Received July 01, 1978; Online July 15, 2010


The prebuckled cylinder is a geometrical idealization of the actual buckled surface of an axially compressed circular cylinder. It is a polyhedral representation of the cylinder in which flat triangular surfaces are joined to form an undulated (corrugated) surface. Such surfaces have been generally regarded as failed forms of the cylinder; however, recent experimental investigations show that the prebuckled cylinder is remarkably more resistant to buckling failure under external pressure than the true cylinder. The prebuckled cylindrical (PC) shell can now be regarded as a new, unfailed structural form to resist external pressure.

Copyright © 1979 by ASME
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