| 斜拉索非线性固有振动特性分析 |
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| 引用本文： | 吴晓,黎大志,罗佑新. 斜拉索非线性固有振动特性分析[J]. 振动与冲击, 2003, 22(3): 37-39,11 |
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| 作者姓名： | 吴晓 黎大志 罗佑新 |
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| 作者单位： | 常德师范学院,常德,415000 |
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| 摘 要： | 在考虑斜拉索静平衡时索曲线的基础上，建立了斜拉桥索大幅振动的非线性动力方程，采用傅立叶级数法研究求解了斜拉索非线性固有振动方程。还通过实例计算对斜拉索大幅振动特性进行了讨论分析。
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| 关 键 词： | 斜拉索 非线性固有振动特性 平衡 斜拉桥 振幅 刚度 鲁棒性 有效性 |
Nonlinear Natural Vibration Character Analysis of Stay Cables |
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| Wu Xiao Li Dazhi Luo Youxin. Nonlinear Natural Vibration Character Analysis of Stay Cables[J]. Journal of Vibration and Shock, 2003, 22(3): 37-39,11 |
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| Authors: | Wu Xiao Li Dazhi Luo Youxin |
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| Abstract: | The nonlinear dynamic equation of large amplitude vibration of cables in cable-stayed bridge is founded with considering the curve form of cables in static equilibrum.The nonlinear natural vibration equation of stay cables is solved by using Fourier's series.The large amplitude vibration character of stay cables is discussed via calculation of concrete examples. |
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| Keywords: | stay cable nonlinear natural vibration Fourier's series |
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