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首页> 外文期刊>Journal of vibration and control: JVC >Analytical study on in-plane free vibration of a cable network with straight alignment rigid cross-ties
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Analytical study on in-plane free vibration of a cable network with straight alignment rigid cross-ties

机译：直线对准刚性横梁的电缆网络平面内自由振动的分析研究

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摘要

Using cross-ties is one of the effective countermeasures to suppress unfavorable bridge stay cable vibrations. It has been successfully applied in the field. However, dynamic behavior of cable networks is still not clearly understood, which hinders the development of a more efficient design. The current paper aims at extending the existing analytical studies on in-plane free vibration of cable networks by developing closed-form modal solutions for a wider series of cases, in particular for general cable networks consisting of n horizontally laid main cables interconnected transversely with a single line of rigid cross-ties. The validity of these analytical modal solutions is verified by independent finite element simulations. These closed-form modal solutions offer a clear elucidation of the mechanics underlying various modal behaviors observed in cable networks of different layout and structural properties. In addition, based on the proposed analytical formulation, the important system parameters of cable networks are identified. The unique features associated with cable networks of a number of specific configurations are investigated and discussed.
机译：使用交叉扎带是抑制不利的桥梁拉索振动的有效措施之一。它已成功应用于该领域。但是，电缆网络的动态行为仍不清楚，这阻碍了更有效设计的发展。本白皮书旨在通过针对更广泛的情况开发封闭形式的模态解决方案，尤其是由n个水平铺设的主电缆与横向互连的主电缆组成的通用电缆网络，扩展对电缆网络的面内自由振动的现有分析研究。单行刚性横梁。这些分析模态解的有效性通过独立的有限元模拟得到了验证。这些封闭形式的模态解决方案清楚地阐明了在具有不同布局和结构特性的电缆网络中观察到的各种模态行为的基础机理。另外，根据提出的分析公式，确定了电缆网络的重要系统参数。研究和讨论了与许多特定配置的电缆网络相关的独特功能。

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