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 the 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)
Pages (from-to)449-457
Number of pages9
JournalJournal of Vibration and Acoustics, Transactions of the ASME
Volume128
Issue number4
DOIs
StatePublished - Aug 2006

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics
  • Mechanics of Materials
  • Mechanical Engineering

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