Computation of the Statistics of Forced Response of a Mistuned Bladed Disk Assembly via Polynomial Chaos

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Abstract

The method of polynomial chaos has been used to analytically compute the statistics of forced response of a mistuned bladed disk assembly. The model of the bladed disk assembly considers only one mode of vibration of each blade. Mistuning phenomenon has been simulated by treating the modal stiffness of each blade as a random variable. The validity of the polynomial chaos method has been corroborated by comparison with the results from numerical simulations.

Original languageEnglish (US)
Pages287-297
Number of pages11
DOIs
Publication statusPublished - Dec 1 2003
Event2003 ASME Turbo Expo - Atlanta, GA, United States
Duration: Jun 16 2003Jun 19 2003

Other

Other2003 ASME Turbo Expo
CountryUnited States
CityAtlanta, GA
Period6/16/036/19/03

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All Science Journal Classification (ASJC) codes

  • Engineering(all)

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