Probabilistic method to compute the optimal slip load for a mistuned bladed disk assembly with friction dampers

S. Chen, A. Sinha

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

In this paper, an analytical technique has been developed to compute the statistics of forced response of a mistuned bladed disk assembly with friction dampers (bladeto- blade or blade-to-ground). The method is based on the statistical linearization approach and predicts the probability distribution function of a blade’s amplitude. The validity of this technique has been corroborated by comparison with the results from numerical simulations. Using this technique, the optimal value of the slip load at the friction joint has been computed to minimize the probability that a blade’s amplitude will exceed a critical value.

Original languageEnglish (US)
Pages (from-to)214-221
Number of pages8
JournalJournal of Vibration and Acoustics, Transactions of the ASME
Volume112
Issue number2
DOIs
StatePublished - Apr 1990

All Science Journal Classification (ASJC) codes

  • Acoustics and Ultrasonics
  • Mechanics of Materials
  • Mechanical Engineering

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