Free vibration analysis of rotating Euler beams at high angular velocity

被引：94
|
作者：
Huang, Chih Ling [1 ]
Lin, Wen Yi [2 ]
Hsiao, Kuo Mo [1 ]
机构：
[1] Natl Chiao Tung Univ, Dept Mech Engn, Hsinchu, Taiwan
[2] De Lin Inst Technol, Dept Mech Engn, Tucheng, Taiwan
来源：
COMPUTERS & STRUCTURES | 2010年 / 88卷 / 17-18期
关键词：
Rotating beam; Vibration; Natural frequency; Power series solution; Frequency veering; DYNAMIC STIFFNESS FORMULATION; POWER-SERIES SOLUTION; TIMOSHENKO BEAM; BERNOULLI BEAM; ELEMENT; BLADES;
D O I：
10.1016/j.compstruc.2010.06.001
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The natural frequency of the flapwise bending vibration, and coupled lagwise bending and axial vibration is investigated for the rotating beam. A method based on the power series solution is proposed to solve the natural frequency of very slender rotating beam at high angular velocity. The rotating beam is subdivided into several equal segments. The governing equations of each segment are solved by a power series. Numerical examples are studied to demonstrate the accuracy and efficiency of the proposed method. The effect of Coriolis force, angular velocity, and slenderness ratio on the natural frequency of rotating beams is investigated. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：991 / 1001
页数：11
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