RESEARCH PAPERS: Offshore Mechanics

Natural Frequencies and Critical Buckling Loads of Marine Risers

[+] Author and Article Information
Y. C. Kim

Korea Institute of Machinery and Metals, Ship Research Station, Daeduck Science Town, Chung-Nam, Korea

J. Offshore Mech. Arct. Eng 110(1), 2-8 (Feb 01, 1988) (7 pages) doi:10.1115/1.3257119 History: Received March 21, 1985; Revised May 07, 1986; Online October 30, 2009


Natural frequencies, mode shapes and critical buckling loads of marine risers simply supported at both ends are given in closed form by using the WKB method. These solutions allow variable cross section, bending rigidity, tension and mass distribution along the riser length. Furthermore, a simple procedure to predict natural frequencies for other boundary conditions is described. Some special forms of these closed-form solutions are compared with existing solutions in the literature.

Copyright © 1988 by ASME
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