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RESEARCH PAPERS: Offshore Mechanics

Vortex-Induced Response of a Flexible Cylinder in a Constant Current

[+] Author and Article Information
N. M. Patrikalakis, C. Chryssostomidis

Department of Ocean Engineering, Massachusetts Institute of Technology, Cambridge, Mass. 02139

J. Energy Resour. Technol 107(2), 244-249 (Jun 01, 1985) (6 pages) doi:10.1115/1.3231184 History: Received July 01, 1983; Revised December 17, 1984; Online October 22, 2009

Abstract

In this paper we develop a method for the theoretical prediction of the static and lift responses of a flexible cylinder in a unidirectional constant current. Our theoretical prediction is based on information derived from experimental results involving rigid cylinders forced to oscillate sinusoidally orthogonally to a uniform stream. Our approach allows the prediction of a number of, independently determined, monochromatic, and multimode dynamic solutions. For each such multimode solution our procedure allows the simultaneous evaluation of lift response frequency, amplitude and phase between modes. Numerical examples assuming monomodal solutions are included to allow comparison of our theoretical predictions with experimental and other published theoretical results.

Copyright © 1985 by ASME
Topics: Vortices , Cylinders
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