Statistics of responses of a mistuned and frictionally damped bladed disk assembly subjected to white noise and narrow band excitations

D. Cha; A. Sinha

doi:10.1016/j.probengmech.2006.01.001

Statistics of responses of a mistuned and frictionally damped bladed disk assembly subjected to white noise and narrow band excitations

D. Cha, A. Sinha

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23 Scopus citations

Abstract

In this paper, the effects of friction dampers on the vibration of a mistuned bladed disk assembly are examined for the following types of random excitation: white noise and narrow band. To compute the statistics of nonlinear response, an analytical technique is developed based on the equivalent linearization method. The validity of the analytical technique has been established by comparison with the results from numerical simulations. The relation between the vibration mode of the system and the performance of friction dampers is investigated.

Original language	English (US)
Pages (from-to)	384-396
Number of pages	13
Journal	Probabilistic Engineering Mechanics
Volume	21
Issue number	4
DOIs	https://doi.org/10.1016/j.probengmech.2006.01.001
State	Published - Oct 2006

All Science Journal Classification (ASJC) codes

Statistical and Nonlinear Physics
Civil and Structural Engineering
Nuclear Energy and Engineering
Condensed Matter Physics
Aerospace Engineering
Ocean Engineering
Mechanical Engineering

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10.1016/j.probengmech.2006.01.001

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abstract = "In this paper, the effects of friction dampers on the vibration of a mistuned bladed disk assembly are examined for the following types of random excitation: white noise and narrow band. To compute the statistics of nonlinear response, an analytical technique is developed based on the equivalent linearization method. The validity of the analytical technique has been established by comparison with the results from numerical simulations. The relation between the vibration mode of the system and the performance of friction dampers is investigated.",

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AB - In this paper, the effects of friction dampers on the vibration of a mistuned bladed disk assembly are examined for the following types of random excitation: white noise and narrow band. To compute the statistics of nonlinear response, an analytical technique is developed based on the equivalent linearization method. The validity of the analytical technique has been established by comparison with the results from numerical simulations. The relation between the vibration mode of the system and the performance of friction dampers is investigated.

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Statistics of responses of a mistuned and frictionally damped bladed disk assembly subjected to white noise and narrow band excitations

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All Science Journal Classification (ASJC) codes

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