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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

A Reduced-Order Model of Mistuning Using a Subset of Nominal System Modes

[+] Author and Article Information
M.-T. Yang, J. H. Griffin

Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA 15213

J. Eng. Gas Turbines Power 123(4), 893-900 (Mar 01, 1999) (8 pages) doi:10.1115/1.1385197 History: Received October 01, 1998; Revised March 01, 1999
Copyright © 2001 by ASME
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References

Figures

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Flow chart for the SNM algorithm
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Finite element model of bladed disk system
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Natural frequencies of tuned bladed disk
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Representative results for the first bending family of modes
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Representative modal results for the veering region
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Representative forced response amplitudes in the veering region

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