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RESEARCH PAPERS

Flow Past Oscillating Cylinders

[+] Author and Article Information
R. W. Yeung, M. Vaidhyanathan

Department of Naval Architecture and Offshore Engineering, University of California at Berkeley, Berkeley, CA 94720

J. Offshore Mech. Arct. Eng 115(4), 197-205 (Nov 01, 1993) (9 pages) doi:10.1115/1.2920112 History: Received June 25, 1993; Online June 12, 2008

Abstract

The phenomenon of vortex shedding by oscillating cylinders is a complex one. Its understanding is, however, of utmost importance in marine-related engineering, particularly in connection with motions of deep submersibles and marine risers. In this paper, computational results are presented so that the behavior of the shedding as a function of certain parameter space can be elucidated. A methodology based on the random vortex method and a complex-variable boundary-integral formulation is used to study both forced and vortex-induced oscillations of a circular cylinder. Preliminary evaluation of this method indicates that it has been successful in predicting a number of experimentally observed behavior, among which the phenomena of “lock-in” associated with oscillations of the cylinder are well captured.

Copyright © 1993 by The American Society of Mechanical Engineers
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