Effects of the nature of excitation on the response of a mistuned bladed disk assembly

被引：4

作者：

Cha, D ^{[1
]}

Sinha, A ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech Engn, University Pk, PA 16802 USA

来源：

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME | 2002年 / 124卷 / 04期

关键词：

D O I：

10.1115/1.1508385

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

In this paper, responses of a mistuned bladed disk assembly are examined and compared for three types of excitations: uncorrelated narrow band random excitations, correlated narrow band random excitations and sinusoidal excitations with unknown (time-invariant and random) amplitudes. Analytical techniques are also developed to compute the statistics of responses for these types of excitations. Effects of correlations of narrow band excitations are investigated in details. It has been found that the response statistics for correlated narrow band random excitations can be viewed in terms of the concepts related to the response to a deterministic engine order excitation.

引用

页码：588 / 596

页数：9

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