Dynamic Responses of Two Parallel Circular Cylinders in a Liquid

[+] Author and Article Information
Shoei-Sheng Chen

Components Technology Division, Argonne National Lab., Argonne, Ill.

J. Pressure Vessel Technol 97(2), 78-83 (May 01, 1975) (6 pages) doi:10.1115/1.3454272 History: Received February 06, 1975; Revised March 24, 1975; Online October 25, 2010


The problem of two parallel circular cylinders vibrating in a liquid is studied analytically. First, the equations of motion including fluid coupling are derived using the added mass concept. Then, a closed form solution and an approximate solution are obtained for free vibration. Finally, the steady-state responses of two cylinders subjected to harmonic excitations are presented. The results of this study illustrate the significance of the interaction of two structures in a liquid.

Copyright © 1975 by ASME
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