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| 悬空管线的振动特性分析 | |
| 引用本文： | 唐友刚,李长升,李小敏.悬空管线的振动特性分析[J].海洋工程,1995(1). |
| 作者姓名： | 唐友刚 李长升 李小敏 |
| 作者单位： | 天津大学 |
| 摘 要： | 埋地管线穿河段由于河水冲刷而悬空，在水流作用下诱发涡激振动。本文在实测悬空管线固有频率的基础上，提出了其固有频率的计算方法。按本文方法所得结果和实测结果基本吻合。 |
| 关 键 词： | 悬空管线，半无限长梁，自振特性，涡激振动，共振，行列式 |
ANALYSIS FOR VIBRATION CHARACTERISTICS OF SUSPENDED PIPELINES |
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| Tang Yougang,Li Changsheng,Li Xiaomin.ANALYSIS FOR VIBRATION CHARACTERISTICS OF SUSPENDED PIPELINES[J].Ocean Engineering,1995(1). | |
| Authors: | Tang Yougang Li Changsheng Li Xiaomin |
| Abstract: | Vortex-vibrations of suspended pipelines crossing rivers with flushing induced by fluid often take place. This paper,based on the results from measuring, Presents the calculation method of natural freguencies. The results of this paper are in agreement with the measured results. |
| Keywords: | suspended pipelines semi-infinite beam nature vibration characteristics vortex vibration resonace determinant |
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