Vibration Analysis of Shells Using Discrete Mass Techniques

[+] Author and Article Information
R. J. McGrattan

Underwater Development Engineering, Electric Boat Division, General Dynamics Corporation, Groton, Conn.

E. L. North

Research and Development Operation, Flight Propulsion Division, General Electric Company, Cincinnati, Ohio

J. Eng. Ind 89(4), 766-771 (Nov 01, 1967) (6 pages) doi:10.1115/1.3610149 History: Received December 01, 1966; Online August 25, 2011


A method for analyzing thin shells by a discrete mass technique is presented. The shells and stiffeners are idealized as a system of lumped masses and an elastic framework having the equivalent mass and stiffness of the actual shell. This method is most useful for shells without rotational symmetry, since classical solutions are not available for these cases. Four examples are presented and a comparison with experimental results and classical theory is made for a case of a symmetrically stiffened cylinder.

Copyright © 1967 by ASME
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