Free Hydroelastic Vibrations of a Liquid Attached to a Cylindrical Sector Shell in a Zero-Gravity Condition

[+] Author and Article Information
M. Chiba

Department of Mechanical Engineering, Iwate University, Morioka 020, Japan

H. F. Bauer

Institut für Raumfahrttechnik, Universität der Bundeswehr München, D-85577 Neubiberg, Germany

J. Vib. Acoust 120(1), 54-62 (Jan 01, 1998) (9 pages) doi:10.1115/1.2893827 History: Received February 01, 1995; Revised February 01, 1996; Online February 26, 2008


A theoretical analysis has been carried out on the linear free hydroelastic vibrations of a liquid attached to a cylindrical sector shell. The liquid is assumed to be an ideal liquid with a free surface, while for the motion of the sector shell the equations of Flügge were employed. The coupled problem has been reduced to an eigenvalue problem by applying the Galerkin method and yields the coupled natural frequencies and vibration modes as eigenvalues and eigenvectors, respectively. Numerical calculations were carried out to find the influence of the parameters of the structure-liquid system.

Copyright © 1998 by The American Society of Mechanical Engineers
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