| 运行速度对水下结构自振频率的影响分析 |
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| 引用本文： | 赵子龙,李佩荣,柳海芳.运行速度对水下结构自振频率的影响分析[J].太原科技大学学报,2007,28(6):479-482. |
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| 作者姓名： | 赵子龙 李佩荣 柳海芳 |
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| 作者单位： | 1. 太原科技大学,太原,030024
2. 太原理工大学应用力学研究所,太原,030024 |
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| 摘 要： | 水下结构的自振频率不仅受流体动水压力和水深的影响，还受其运行速度的影响。文章假设水为无粘、不可压、无旋流体，研究了水下运行结构的流固耦合自振频率，重点研究了运行速度对其自振频率的影响。计算结果与ANSYS程序的计算结果作过比较，得到了一些有价值的结论。
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| 关 键 词： | 流固耦合振动 运行速度 附加阻尼 自振频率 |
| 文章编号： | 1673-2057（2007）06-0479-04 |
| 收稿时间： | 2006-12-06 |
| 修稿时间： | 2006年12月6日 |
Analysis of Speed Effect on Self-vibrationfrequency of Submarine Structure |
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| ZHAO Zi-long,LI Pei-rong,LIU Hai-fang.Analysis of Speed Effect on Self-vibrationfrequency of Submarine Structure[J].Journal of Taiyuan University of Science and Technology,2007,28(6):479-482. |
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| Authors: | ZHAO Zi-long LI Pei-rong LIU Hai-fang |
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| Abstract: | The self-vibration frequency of submarine structures are influenced not only by fluid dynamic pressure and water depth, but also by its moving speed. In this paper, water is assumed to be irrotational , inviscid and incompressible fluid. Then the self-vibration frequency of the structure moving under the water is investigated, and the emphasis is put on the influence of the speed on the self-vibration frequency of the structure. Based on these, the calculated results were compared with that of ANSYS program, and some value conclusions are obtained. |
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| Keywords: | fluid-structure coupling vibration moving speed added stiffness self-vibration frequency |
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