Maximum bladed disk forced response from distortion of a structural mode

被引：54

作者：

Kenyon, JA ^{[1
]}

Griffin, JH

Feiner, DM

机构：

[1] USAF, Res Lab, Prop Directorate, Wright Patterson AFB, OH 45433 USA

[2] Carnegie Mellon Univ, Dept Mech Engn, Pittsburgh, PA 15213 USA

来源：

JOURNAL OF TURBOMACHINERY-TRANSACTIONS OF THE ASME | 2003年 / 125卷 / 02期

关键词：

mistuning; blade vibration; maximum response; robust; forced response;

D O I：

10.1115/1.1540118

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A method is presented for obtaining maximum bladed disk forced response from distortion of a structural mode. It is shown that maximum response from mode distortion in a bladed disk occurs when the harmonic components of a distorted mode superimpose in a certain manner causing localization of the mode and strong response in a particular blade. In addition, it is shown that the response of an intentionally mistuned system with maximum response does not change significantly when small random mistuning is added to the system. A method is described for calculating the structural mistuning necessary to obtain the distorted mode that gives maximum response. The theory is validated numerically.

引用

页码：352 / 363

页数：12

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