| 桨毂动力特性的数值模拟与实验模态分析 |
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| 引用本文： | 李可东,杜兵劳.桨毂动力特性的数值模拟与实验模态分析[J].航空动力学报,1991,6(4):331-336,375-376. |
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| 作者姓名： | 李可东 杜兵劳 |
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| 作者单位： | 北航螺旋桨研究发展中心 |
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| 摘 要： | 桨毂动力特性用八节点三维等参元与子空间迭代法进行数值模拟 ;进行了实验模态分析 ,从而确定了桨毂前六阶的固有频率及其对应的振型。
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DIGITAL SIMULATION AND EXPERIMENTAL MODAL ANALYSIS OF DYNAMIC CHARACTERISTICS OF A PROPELLER HUB |
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| Li Kedong and Du Binlao.DIGITAL SIMULATION AND EXPERIMENTAL MODAL ANALYSIS OF DYNAMIC CHARACTERISTICS OF A PROPELLER HUB[J].Journal of Aerospace Power,1991,6(4):331-336,375-376. |
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| Authors: | Li Kedong and Du Binlao |
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| Institution: | APRDC,BUAA;APRDC,BUAA |
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| Abstract: | The finite element method with 8 nodes three dimensional isoparametric elements and subspace iteration is applied to digital simulation of dynamic characteristics of a propeller hub.The sizes of the stiffness matricesK]and mass matricesM]in the equations are very large.The natural frequencies of the first six orders and its corresponding modes of the hub have been obtained from the experimental modal analysis.By comparison the results of the experimental modal analysis and the digital simulation are of the same order. |
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