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RESEARCH PAPERS

Elastic-Plastic Analysis of a Spherical Shell Loaded Radially Through a Flexible Cylindrical Nozzle

[+] Author and Article Information
C.-P. Leung

Department of Materials and Mechanics, Southwest Research Institute, San Antonio, TX 78238

G. N. Brooks

Department of Engineering Science and Mechanics, University of Tennessee, Knoxville, TN 37996

J. Pressure Vessel Technol 112(3), 296-302 (Aug 01, 1990) (7 pages) doi:10.1115/1.2928629 History: Received May 24, 1989; Revised February 16, 1990; Online June 17, 2008

Abstract

This study investigates the elastic-plastic behavior of a shallow spherical shell loaded radially through a flexible cylindrical nozzle. Both the sphere and the cylinder can yield and exhibit plastic deformation. The Tresca yield condition is employed to derive elastic-plastic moment-curvature relationship in a simple form which is implemented in an efficient solution scheme. Three geometric parameters represent the relative dimensions of the structure. Numerical results are obtained for a range of values of these parameters. Various situations involving the failure of the sphere and/or the cylinder are studied. The ultimate or failure loads of the structure are plotted as functions of the geometric parameters.

Copyright © 1990 by The American Society of Mechanical Engineers
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