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TECHNICAL PAPERS

Effects of the Nature of Excitation on the Response of a Mistuned Bladed Disk Assembly

[+] Author and Article Information
D. Cha, A. Sinha

Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

J. Turbomach 124(4), 588-596 (Nov 07, 2002) (9 pages) doi:10.1115/1.1508385 History: Received March 04, 2002; Online November 07, 2002
Copyright © 2002 by ASME
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References

Figures

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Model of a bladed disk assembly
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(a) μRa as a function of ω, (b) σRaRa as a function of ω; (sinusoidal excitations with unknown amplitudes)
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (correlated excitation, pattern 0)
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (correlated excitation, pattern 3)
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The correlations of narrow-band excitation (a) case 1, (b) case 2, (c) case 3
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (uncorrelated excitations)
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (correlated excitations, case 1)
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (correlated excitations, case 2)
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(a) μR as a function of ωF, (b) σRR as a function of ωF; (correlated excitations, case 3)
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E[gẋT] as a function of ωF; (a) uncorrelated excitation, (b) correlated excitation, pattern 3

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