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RESEARCH PAPERS

Buckling and Postbuckling Behavior of Clamped Shallow Spherical Shells Under Axisymmetric Ring Loads

[+] Author and Article Information
N. Akkas, N. R. Bauld

Department of Engineering Mechanics, Clemson University, Clemson, S. C.

J. Appl. Mech 38(4), 996-1002 (Dec 01, 1971) (7 pages) doi:10.1115/1.3408987 History: Received April 24, 1970; Revised July 27, 1970; Online July 12, 2010

Abstract

This paper presents the results of a numerical study of the buckling and initial post-buckling behavior of clamped shallow spherical shells under axisymmetric ring loads. This behavior is studied for a cap with fixed geometry when the location of the ring load is allowed to vary from the equivalent of a concentrated load at the apex to a location near the midpoint of the shell base radius, and for a fixed ring load location when the shell geometry is allowed to vary. It is found in both studies that a significant range of the geometric shell parameter λ exists such that buckling is accompanied by a loss in load-carrying capacity.

Copyright © 1971 by ASME
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