Galloping Limit Cycle Amplitude and Frequency Estimation

[+] Author and Article Information
W. N. White

Mechanical Engineering Department, 302 Durland Hall, Kansas State University, Manhattan, KS 66506-5106

P. M. Lynch

Mechanical Engineering Department, Tulane University, New Orleans, LA 70118

S. H. Venkatasubramanian

Faculty of Mechanical Engineering, University of Technology, Malaysia, 80990 Johor Bahru, Malaysia

J. Vib. Acoust 120(1), 25-31 (Jan 01, 1998) (7 pages) doi:10.1115/1.2893814 History: Received November 01, 1990; Online February 26, 2008


The amplitude, frequency, and mode shape of a single galloping conductor are estimated. A finite element model of the line and supports based upon the weighted residual method is presented. The results produced by the analysis show good agreement with results obtained elsewhere. It is demonstrated that the fundamental galloping frequency can be aerodynamically dependent. Also included in the model are compliant line supports to represent the towers.

Copyright © 1998 by The American Society of Mechanical Engineers
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