转子支承系统临界转速概率分析的随机响应面法

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Abstract In order to analyze the probability distribution of the critical speeds of rotor systems influenced by uncertainties, a method based on stochastic response surface was proposed.The implicit function relationship between the critical speed and the uncertain parameters of the rotor system was approximated.By using stochastic response surface of the critical speed, the Campbell diagram was replaced to avoid the difficulties of directly using it to perform the stochastic critical speed analysis.The analysis of stochastic critical speed of a typical dual-rotor system verified the accuracy and efficiency of the proposed method.

Key words： rotor system critical speed probability distribution uncertainty analysis random response surface

Received: 08 May 2018 Published: 15 December 2019

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	Articles by authors
	ZUO Yanfei1
	JIANG Zhinong1
	FENG Kun1
	WANG Jianjun2

Cite this article:

ZUO Yanfei1,JIANG Zhinong1,FENG Kun1, et al. A stochastic response surface method for probability analysis of critical speeds of a rotor systems[J]. JOURNAL OF VIBRATION AND SHOCK, 2019, 38(24): 85-90.

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http://jvs.sjtu.edu.cn/EN/ OR http://jvs.sjtu.edu.cn/EN/Y2019/V38/I24/85

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