Investigation of the Vibration of a Blade With Friction Damper by HBM

[+] Author and Article Information
J. H. Wang, W. K. Chen

Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan

J. Eng. Gas Turbines Power 115(2), 294-299 (Apr 01, 1993) (6 pages) doi:10.1115/1.2906708 History: Received January 16, 1992; Online April 24, 2008


The friction damper has been widely used to reduce the resonant vibration of blades. The most commonly used methods for studying the dynamic behavior of a blade with a friction damper are direct integration methods. Although the harmonic balance method (HBM) is a well-known method for studying nonlinear vibration problems, generally only a one-term approximation has been proposed to study the nonlinear vibration of a frictionally damped blade. In this work, a HMB procedure with a multiterm approximation is proposed. The results show that the steady-state response and other related behavior of a frictionally damped blade can be predicted accurately and quickly by an HBM with a multiterm approximation.

Copyright © 1993 by The American Society of Mechanical Engineers
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