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TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

A Novel Limit Distribution for the Analysis of Randomly Mistuned Bladed Disks

[+] Author and Article Information
M. P. Mignolet, B. H. LaBorde

Department of Mechanical and Aerospace Engineering, Arizona State University, Tempe, AZ 85287-6106

C.-C. Lin

Department of Mechanical Engineering, Chungchou Institute of Technology, Yuanlin, Changhua Hsien, Taiwan, R.O.C

J. Eng. Gas Turbines Power 123(2), 388-394 (Jun 09, 2000) (7 pages) doi:10.1115/1.1339001 History: Received May 04, 2000; Revised June 09, 2000
Copyright © 2001 by ASME
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References

Figures

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One DOF per blade bladed disk model
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Probability density functions of blade response, Gaussian and uniform distributions of stiffnesses, N=24,r=3, large coupling case. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).
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Probability density functions of blade response, Gaussian and uniform distributions of stiffnesses, N=24,r=3, small coupling case. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).
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Probability density functions of blade response, Gaussian distribution of stiffnesses, N=24,r=0, large coupling case. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).
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Probability density functions of blade response, Gaussian distribution of stiffnesses, N=24,r=0, small coupling case. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).
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Three DOF per blade bladed disk model
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Probability density function of response of DOF 1, Gaussian distribution of stiffnesses, N=72,r=9, 3 DOF model. Monte Carlo (MC) simulation and limit distribution (LMT), Eq. (36).
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Probability density function of blade response, Gaussian distribution of stiffnesses, nonconforming case, c=0.7215 Ns/m, small coupling case. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).
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Probability density function of blade response, Gaussian distribution of stiffnesses, nonconforming case, worst matching in the weak-to-strong coupling transition. Monte Carlo (MC) simulations and limit distribution (LMT), Eq. (36).

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