Nonlinear Seismic Analysis of Thin Reactor Containment Vessels

[+] Author and Article Information
R. L. Citerley

Anamet Laboratories, San Carlos, Calif.

R. E. Ball

Naval Postgraduate School, Monterey, Calif.

J. Eng. Ind 94(3), 925-929 (Aug 01, 1972) (5 pages) doi:10.1115/1.3428272 History: Received June 30, 1971; Online July 15, 2010


A comparison between the linear and nonlinear seismic analysis of a thin unreinforced steel reactor containment vessel is presented. The effects of the nonlinear coupling between the low Fourier harmonic excitations and the higher Fourier harmonics producing an ovalling response are examined. Imperfection shapes of the containment vessel are employed to provide the mechanism for this response.

Copyright © 1972 by ASME
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