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Effect of cross-link stiffness on the in-plane free vibration behaviour of a two-cable network

机译：交联刚度对两芯网络面内自由振动行为的影响

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摘要

As a key element in a cable network, the properties of cross-link would directly affect the dynamic response of the network and therefore the effectiveness of this field solution in suppressing cable vibrations. To have a deeper insight into the mechanics associated with the dynamic behaviour of a cable network and improve the existing cross-link design, an analytical model of a cable network which consists of two horizontally laid main cables and a transverse flexible cross-link is proposed in the current study to evaluate its in-plane free vibration behaviour. The modal solutions to the network are derived analytically. The proposed analytical model and solutions are validated by numerical simulations and applied to several cable networks with different configurations, of which the modal behaviour under varying cross-link stiffness are compared. A parametric study is conducted to evaluate the role of cross-link stiffness in influencing the effect of various system parameters on the in-plane modal response of a cable network.
机译：作为电缆网络中的关键元素，交联的特性将直接影响网络的动态响应，因此，这种现场解决方案在抑制电缆振动方面的有效性。为了更深入地了解与电缆网络的动态行为相关的力学原理并改善现有的交叉链接设计，提出了一种由两个水平铺设的主电缆和一个横向柔性交叉链接组成的电缆网络分析模型。在目前的研究中，以评估其面内自由振动性能。网络的模态解决方案是通过分析得出的。通过数值模拟验证了所提出的分析模型和解决方案，并将其应用于几种具有不同配置的电缆网络，并比较了在不同交联刚度下的模态行为。进行了参数研究，以评估交联刚度在影响各种系统参数对电缆网络的平面模态响应的影响中的作用。

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