Simulative Analyses of Dynamic Buckling of Bellows

[+] Author and Article Information
Y. Ooka, H. Ogawa

Nuclear Systems Division, Kawasaki Heavy Industries, Ltd., 2-6-5 Minamisuna, Koto-ku, Tokyo, Japan

K. Ohno, K. Dozaki

Fast Breeder Development Department, The Japan Atomic Power Company, Ohtemachi Bldg., 1-6-1 Ohtemachi, Chiyoda-ku, Tokyo, Japan

J. Pressure Vessel Technol 118(2), 129-136 (May 01, 1996) (8 pages) doi:10.1115/1.2842170 History: Received September 07, 1994; Revised May 11, 1995; Online February 11, 2008


Simulative analyses of dynamic buckling have been performed for bellows of piping expansion joints for FBR plants using an explicit finite element computer code “RADIOSS.” Deformation modes were well simulated in comparison with the associated test results. As for critical buckling pressures, values obtained in the analyses were about 50 percent higher than test values, and further improvement is needed. This paper presents these analytical results and discussion. The associated test results are also reviewed for the arrangement of validation of the analyses.

Copyright © 1996 by The American Society of Mechanical Engineers
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