Investigation on dynamic modelling and nonlinear vibration behaviors of composite structures: A case of cable-beam model

IF 2.8 3区工程技术 Q2 MECHANICS

International Journal of Non-Linear Mechanics Pub Date : 2024-08-08 DOI:10.1016/j.ijnonlinmec.2024.104871

Houjun Kang , Siyi Meng , Yunyue Cong , Tieding Guo , Xiaoyang Su

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引用次数: 0

Abstract

This paper conducts a nonlinear analysis of cable-beam model of cable-stayed bridges by using the exact mode superposition method (EMSM) and the cable-beam dragging method (CBDM), respectively, comparing and exploring their theoretical foundations and practical implications. The EMSM is based on the global mode function of the cable-beam structure for nonlinear analysis, yet it requires more computational resources. The CBDM is based on the cable-beam dragging equations for nonlinear analysis, which can quickly obtain the static equilibrium state and dynamic response of the cable-beam system, but it requires some simplifying assumptions on the cable-beam connection conditions. Research results demonstrate qualitative and quantitative differences between these two methods through parametric analysis on dynamic behaviors, which provide a significant methodological study and a reference for the design and dynamics of composite structures.

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复合材料结构的动态建模和非线性振动行为研究：以索梁模型为例

本文分别采用精确模态叠加法（EMSM）和索梁拖曳法（CBDM）对斜拉桥的索梁模型进行了非线性分析，比较并探讨了它们的理论基础和实际意义。EMSM 基于索梁结构的全局模态函数进行非线性分析，但需要较多的计算资源。CBDM 基于索梁拖动方程进行非线性分析，可快速获得索梁系统的静态平衡状态和动态响应，但需要对索梁连接条件进行一些简化假设。研究结果通过对动态行为的参数分析，证明了这两种方法在质量和数量上的差异，为复合材料结构的设计和动力学提供了重要的方法学研究和参考。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

International Journal of Non-Linear Mechanics 物理-力学

CiteScore

5.50

自引率

9.40%

发文量

192

审稿时长

67 days

期刊介绍： The International Journal of Non-Linear Mechanics provides a specific medium for dissemination of high-quality research results in the various areas of theoretical, applied, and experimental mechanics of solids, fluids, structures, and systems where the phenomena are inherently non-linear. The journal brings together original results in non-linear problems in elasticity, plasticity, dynamics, vibrations, wave-propagation, rheology, fluid-structure interaction systems, stability, biomechanics, micro- and nano-structures, materials, metamaterials, and in other diverse areas. Papers may be analytical, computational or experimental in nature. Treatments of non-linear differential equations wherein solutions and properties of solutions are emphasized but physical aspects are not adequately relevant, will not be considered for possible publication. Both deterministic and stochastic approaches are fostered. Contributions pertaining to both established and emerging fields are encouraged.