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TECHNICAL PAPERS

Mistuning Identification of Bladed Disks Using a Fundamental Mistuning Model—Part I: Theory

[+] Author and Article Information
D. M. Feiner, J. H. Griffin

Department of Mechanical Engineering, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213

J. Turbomach 126(1), 150-158 (Mar 26, 2004) (9 pages) doi:10.1115/1.1643913 History: Received December 01, 2002; Revised March 01, 2003; Online March 26, 2004
Copyright © 2004 by ASME
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References

Figures

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Finite element model used to represent compressor
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Natural frequencies of the compressor with no mistuning
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Comparison of mistuning from FMM ID with FEM benchmark
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Illustration of a rotor with exaggerated stagger angle mistuning
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Representative mistuned mode caused by stagger angle mistuning
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Comparison of mistuning from FMM ID and the variations in the stagger angles
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Comparison of mistuning from FMM ID with FEM benchmark
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Comparison of the tuned system frequencies from FMM ID and FEM
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Frequency response of blades to a six engine order excitation

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