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TECHNICAL BRIEFS

On the Characteristics of Bifurcation and Nonlinear Dynamic Response

[+] Author and Article Information
Baozhong Yang, C. Steve Suh

Mechanical Engineering Department, Texas A&M University, College Station, TX 77843-3123

J. Vib. Acoust 126(4), 574-579 (Dec 21, 2004) (6 pages) doi:10.1115/1.1805007 History: Received July 01, 2003; Revised March 01, 2004; Online December 21, 2004
Copyright © 2004 by ASME
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References

Figures

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(a) x-y orbit of the journal center at ω=30π rad/s and hr=0.012, (b) Fourier spectrum of the vibration signal in (a)
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(a) Time waveform and its IMFs and (b) Instantaneous frequencies for ω=30π rad/s and hr=0.012
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Variation of instantaneous frequency in response to crack opening and closing
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Orbit of journal center at ω=50π rad/s indicating a period-doubling motion
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(a) Time waveform and its IMFs and (b) instantaneous frequencies for ω=50π rad/s and hr=0.0003 to 0.001.
Grahic Jump Location
(a) Orbit of journal center at ω=50π rad/s and hr=0.09, (b) Fourier spectrum of the vibration signal in (a)
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(a) Time waveform and its IMFs, (b) instantaneous frequencies, and (c) marginal spectrum for ω=50π rad/s and hr=0.06 to 0.09

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