Vibration analysis of twisted Timoshenko beams with internal Kelvin-Voigt damping

被引：4

作者：

Chen, W. R. ^{[1
]}

Hsin, S. W. ^{[1
]}

Chu, T. H. ^{[1
]}

机构：

[1] Chinese Culture Univ, Dept Mech Engn, Taipei 11114, Taiwan

来源：

7TH ASIAN-PACIFIC CONFERENCE ON AEROSPACE TECHNOLOGY AND SCIENCE, APCATS 2013 | 2013年 / 67卷

关键词：

vibration; twisted beam; damping; Hamilton's principle; twist angle; FINITE-ELEMENT; DAMPED BEAMS; STABILITY;

D O I：

10.1016/j.proeng.2013.12.053

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

Bending-bending vibration equations of a twisted beam with damping of Kelvin-Voigt type are established using the Timoshenko beam theory and applying Hamilton's principle. The equations of motion of the twisted beam are derived in the twist coordinate frame. Then, a finite element method is used to reduce the partial differential equations of motion into linear second-order ordinary differential equations. A quadratic eigenvalue problem of a damped system is formulated to study the effects of the twist angle, internal damping and restraint types on the eigenfrequencies of the damped twisted beams. (C) 2013 The Authors. Published by Elsevier Ltd.

引用

页码：525 / 532

页数：8

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