Modeling and Analysis of Flow-Induced Vibrations in Circular Saws

[+] Author and Article Information
M. C. Leu, M. Jirapongphan

Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY

J. Vib., Acoust., Stress, and Reliab 107(2), 196-202 (Apr 01, 1985) (7 pages) doi:10.1115/1.3269244 History: Received August 07, 1984; Online November 23, 2009


Two types of flow-induced vibrations in idling circular saws, random vibration and resonant vibration, were modeled and analyzed. The excitation source, which is the flow pressure fluctuations, was modeled as discrete forces acting at the saw teeth. The response was assumed to be uncoupled from the excitation in the random vibration analysis but coupled with the excitation in the resonant vibration analysis. The random vibration was solved in terms of statistical rms amplitudes and the resonant vibration as a time function. The analytical results captured many characteristics of vibration phenomena observed in idling saw experiments.

Copyright © 1985 by ASME
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