Bending-torsional coupled dynamic response of axially loaded composite Timosenko thin-walled beam with closed cross-section

Jun Li; Rongying Shen; Hongxing Hua; Xianding Jin

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Bending-torsional coupled dynamic response of axially loaded composite Timosenko thin-walled beam with closed cross-section

机译：闭合截面的轴向受力复合Timosenko薄壁梁的弯扭耦合动力响应

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摘要

An analytical method is presented to determine the bending-torsion materially coupled dynamic responses of axially loaded composite thin-walled beam with solid or thin-walled closed cross-section subjected to various kinds of concentrated and distributed time-dependent loads. The effects of axial force, shear deformation and rotary inertia are included in the present study. The bending-torsion material coupling of practical interest is also considered in the formulations. First, the general governing differential equations of motion of axially loaded composite Timoshenko beam are developed and the free vibration analysis is performed. Once the natural frequencies and mode shapes of the composite beam are obtained, normal mode method is used to compute the bending-torsion coupled dynamic response of axially loaded composite Timoshenko beam. Finally, the proposed method is illustrated by its application to a particular example to investigate the effects of bending-torsion coupling, axial force, shear deformation and rotary inertia on the dynamic behavior of composite beam.

机译：提出了一种分析方法来确定承受各种集中和分布随时间变化的载荷的具有实心或薄壁封闭截面的轴向加载复合薄壁梁的弯扭材料耦合动力响应。本研究包括轴向力，剪切变形和旋转惯性的影响。在配方中还考虑了具有实际意义的弯扭材料耦合。首先，建立了轴向受力复合Timoshenko梁的一般控制运动微分方程，并进行了自由振动分析。一旦获得了复合梁的固有频率和模态形状，就可以使用法模方法来计算轴向加载的复合Timoshenko梁的弯扭耦合动力响应。最后，将该方法应用于具体实例，以研究弯扭耦合，轴向力，剪切变形和旋转惯性对复合梁动力特性的影响。

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来源
《Composite Structures》 |2004年第1期|p.23-35|共13页
作者
Jun Li; Rongying Shen; Hongxing Hua; Xianding Jin;
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作者单位

Vibration, Shock and Noise Institute, Shanghai Jiao Tong University, 1254 Huashan road, 200030 Shanghai, People's Republic of China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类工程材料学;
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1. Coupled Bending-Torsional Dynamic Response of Axially Loaded Slender Composite Thin-walled Beam with Closed Cross-section [J] . Li Jun, Jin Xianding Journal of Composite Materials . 2004,第6期

机译：轴心细长截面闭合薄壁组合梁的弯扭耦合动力响应
2. Stochastic bending-torsion coupled response of axially loaded slender composite-thin-walled beams with closed cross-sections [J] . Jun Li, Guangming Wu, Rongying Shen, International Journal of Mechanical Sciences . 2005,第1期

机译：闭合截面薄壁组合薄壁组合梁的随机弯扭耦合响应
3. Response of flexure-torsion coupled composite thin-walled beams with closed cross-sections to random loads [J] . Li J, Jin XD Mechanics research communications . 2005,第1期

机译：挠曲耦合闭合截面薄壁组合梁对随机载荷的响应
4. A Dynamic Finite Element (DFE) for coupled bending-torsional vibrations of axially loaded beams [C] . Hashemi, S. M. In: AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference and Exhibit, 40th, St. Louis, MO, Apr. 12-15, 1999, Collection of Technical Papers. Vol. 3 (A99-24601 05-39), Reston, VA, American Institute of Aeronautics and Astro . 1999

机译：动态有限元（DFE），用于耦合轴向加载梁的弯曲扭转振动
5. Control of dynamic response of thin-walled composite beams using structural tailoring and piezoelectric actuation. [D] . Na, Sungsoo. 1997

机译：使用结构调整和压电驱动来控制薄壁组合梁的动力响应。
6. Experimental Investigations of Impact Damage Influence on Behavior of Thin-Walled Composite Beam Subjected to Pure Bending [O] . Tomasz Kubiak, Lukasz Borkowski, Nina Wiacek 2019

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7. On triply coupled vibrations of axially loaded thin-walled composite beams [O] . Thuc Phuong Vo, Jaehong Lee, Kihak Lee 2009

机译：轴向受压薄壁组合梁三次耦合振动研究

Bending-torsional coupled dynamic response of axially loaded composite Timosenko thin-walled beam with closed cross-section

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