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A platform for research: civil engineering, architecture and urbanism
Efficient suspension cable layout optimization method and system for suspension bridges with different sags
The invention discloses an efficient suspension cable layout optimization method and system for suspension bridges with different sags, and the method comprises the steps: obtaining suspension cable information, the suspension cable information comprises the load of each suspension cable, the angle of each suspension cable, the length of each suspension cable, the distance between each suspension cable and the starting point of the bridge, the elastic modulus of each suspension cable and the weight of each suspension cable; setting a suspension cable stress index evaluation model, calculating a total stress index of the suspension cable according to the suspension cable information, and minimizing the suspension cable stress index evaluation model to obtain a final total stress index of the suspension cable; and optimizing the suspension cable layout according to the suspension cable information corresponding to the final total stress index of the suspension cable.
本发明公开一种不同垂度悬索桥的高效悬索布局优化方法及系统，该方法包括：获取悬索信息，其中，所述悬索信息包括：每条悬索的荷载、每条悬索的角度、每条悬索的长度、每条悬索距离桥梁起点的距离、每条悬索的弹性模量和每条悬索的重量；设置悬索应力指数评价模型，并根据所述悬索信息，计算悬索的总应力指数，最小化所述悬索应力指数评价模型，得到悬索的最终总应力指数；按照所述悬索的最终总应力指数对应的悬索信息，对悬索布局进行优化。
Efficient suspension cable layout optimization method and system for suspension bridges with different sags
The invention discloses an efficient suspension cable layout optimization method and system for suspension bridges with different sags, and the method comprises the steps: obtaining suspension cable information, the suspension cable information comprises the load of each suspension cable, the angle of each suspension cable, the length of each suspension cable, the distance between each suspension cable and the starting point of the bridge, the elastic modulus of each suspension cable and the weight of each suspension cable; setting a suspension cable stress index evaluation model, calculating a total stress index of the suspension cable according to the suspension cable information, and minimizing the suspension cable stress index evaluation model to obtain a final total stress index of the suspension cable; and optimizing the suspension cable layout according to the suspension cable information corresponding to the final total stress index of the suspension cable.
本发明公开一种不同垂度悬索桥的高效悬索布局优化方法及系统，该方法包括：获取悬索信息，其中，所述悬索信息包括：每条悬索的荷载、每条悬索的角度、每条悬索的长度、每条悬索距离桥梁起点的距离、每条悬索的弹性模量和每条悬索的重量；设置悬索应力指数评价模型，并根据所述悬索信息，计算悬索的总应力指数，最小化所述悬索应力指数评价模型，得到悬索的最终总应力指数；按照所述悬索的最终总应力指数对应的悬索信息，对悬索布局进行优化。
Efficient suspension cable layout optimization method and system for suspension bridges with different sags
一种不同垂度悬索桥的高效悬索布局优化方法及系统
LEI LI (author) / DENG ZICHUANG (author) / XING JIAMING (author) / JI PENG (author) / HU LINGYU (author)
2024-07-12
Patent
Electronic Resource
Chinese
Spatial vibrations of multi-span suspension bridges with large cable sags: continuum formulation
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