Wave reflection and transmission in Timoshenko beams and wave analysis of Timoshenko beam structures

被引：109

作者：

Mei, C

Mace, BR

机构：

[1] Univ Michigan, Dept Mech Engn, Dearborn, MI 48128 USA

[2] Univ Southampton, Inst Sound & Vibrat Res, Southampton SO17 1BJ, Hants, England

来源：

JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 2005年 / 127卷 / 04期

关键词：

D O I：

10.1115/1.1924647

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper concerns wave reflection, transmission, and propagation in Timoshenko beams together with wave analysis of vibrations in Timoshenko beam structures. The transmission and reflection matrices for various discontinuities on a Timoshenko beam are derived. Such discontinuities include general point supports, boundaries, and changes in section. The matrix relations between the injected waves and externally applied-forces and moments are also derived. These matrices can be combined to provide a concise and systematic approach to vibration analysis of Timoshenko beams or complex structures consisting of Timoshenko beam components. The approach is illustrated with several numerical examples.

引用

页码：382 / 394

页数：13

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