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Identifying the degree of mode localization in Cross-tied cable networks by using energy-based approach
Journal of Vibration and Control ( IF 2.3 ) Pub Date : 2021-04-24 , DOI: 10.1177/10775463211013246
Javaid Ahmad 1
Affiliation  

The use of cross-tie is one of the effective countermeasures to suppress the undesired cable vibration in the cable-stayed bridges. The major benefits offered by the cross-tie solution are the increase in the in-plane stiffness and the flow of energy toward the higher order nodes. However, the formation of closely spaced local modes is one of the major disadvantages of the Cross-tied cable networks. There are only few studies available to understand the formation of local modes. In the current study, an energy-based approach is developed to differentiate between the global and the local modes. In the proposed approach, the kinetic energy equations are formulated to compute the energy stored in arbitrary cable segments. In the current study, the advantages of the proposed energy-based approach over the existing amplitude-based approach have been discussed. The suggested approach has been applied to multiple cable networks, and a comparison has been drawn between the amplitude-based approach and the proposed energy-based approach.



中文翻译:

使用基于能量的方法识别交叉电缆网络中的模式本地化程度

使用交叉扎带是抑制斜拉桥中不希望有的电缆振动的有效对策之一。交叉领带解决方案提供的主要好处是,增加了平面内刚度,并使能量流向更高阶的节点。然而,紧密间隔的局部模式的形成是交叉捆绑电缆网络的主要缺点之一。只有很少的研究可用来了解局部模式的形成。在当前的研究中,开发了一种基于能量的方法来区分全局模式和局部模式。在提出的方法中,动能方程式被公式化以计算存储在任意电缆段中的能量。在目前的研究中 与现有的基于幅度的方法相比,已讨论了所提出的基于能量的方法的优点。所建议的方法已应用于多个电缆网络,并且在基于幅度的方法与所提出的基于能量的方法之间进行了比较。

更新日期:2021-04-24
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