Dynamic response of axially loaded monosymmetrical thin-walled Bernoulli-Euler beams

被引：6

作者：

Li, J ^{[1
]}

Hua, HX ^{[1
]}

Shen, RY ^{[1
]}

Jin, XD ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Vibrat Shock & Noise Inst, Shanghai 200030, Peoples R China

来源：

THIN-WALLED STRUCTURES | 2004年 / 42卷 / 12期

关键词：

thin-walled beams; Bernoulli-Euler beams; bending-torsion coupling; axial force; normal mode method; dynamic response;

D O I：

10.1016/j.tws.2004.05.005

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The dynamic bending-torsion coupled vibrations of elastic axially loaded slender thin-walled beams with monosymmetrical cross-sections are investigated by using normal mode method. The Bernoulli-Euler beam theory is employed and the effects of warping stiffness and axial force are included in the present formulations. The theoretical expressions for the displacement response of axially loaded slender thin-walled beams subjected to concentrated or distributed loads are presented. The method is illustrated by its application to two test examples to describe the effects of warping stiffness and axial force on the dynamic behavior of thin-walled beams. The numerical results for the dynamic bending displacements and torsional displacements are given. The proposed theory is fairly general and can be used for thin-walled beam assemblage of arbitrary boundary conditions subjected to various kinds of loads. (C) 2004 Published by Elsevier Ltd.

引用

页码：1689 / 1707

页数：19

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