A Model for Vortex Induced Oscillation of Structures

[+] Author and Article Information
W. D. Iwan

Department of Applied Mechanics, California Institute of Technology, Pasadena, Calif.

R. D. Blevins

General Atomic, San Diego, Calif.

J. Appl. Mech 41(3), 581-586 (Sep 01, 1974) (6 pages) doi:10.1115/1.3423352 History: Received December 01, 1973; Revised April 01, 1974; Online July 12, 2010


A model is presented for the analysis of the response of structural systems excited by vortex shedding. The model is based on the introduction of a hidden variable to describe the fluid dynamic effects. Model parameters may be determined from experimental data for fixed and forced elements and the model used to predict the response of elastically mounted elements. Analytical model predictions are compared with experimental results for a circular cylinder.

Copyright © 1974 by ASME
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