Response of Pressurized Cylindrical Shells Subjected to Moving Loads

[+] Author and Article Information
E. N. K. Liao

Nuclear Energy Systems, Westinghouse Electric Corp., Pittsburgh, Pa.

P. G. Kessel

Department of Engineering Mechanics, University of Wisconsin, Madison, Wisc.

J. Appl. Mech 39(1), 227-234 (Mar 01, 1972) (8 pages) doi:10.1115/1.3422617 History: Received July 28, 1970; Revised May 03, 1971; Online July 12, 2010


This paper presents a theoretical analysis of the dynamic response of a thin circular cylindrical shell, simply supported at both ends, of finite length, under initial biaxial stress and subjected to a radial point force that moves uniformly either along the axial direction or the circumferential direction. The analytical solutions are obtained in explicit form for the transient response of the first problem and the steady-state response of the latter problem. Critical speeds are given for both problems. Numerical results for both problems show the effects of the various relevant parameters. The effects of initial biaxial stress on the radial displacement and the critical velocities are presented. The behavior of cylinders beyond the lowest critical velocity is also pointed out.

Copyright © 1972 by ASME
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