| 摩托车车架的模态分析及优化 |
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| 引用本文： | 黄欣,贺建民,陈松.摩托车车架的模态分析及优化[J].重庆工学院学报,2007,21(23):24-27,32. |
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| 作者姓名： | 黄欣 贺建民 陈松 |
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| 作者单位： | 重庆工学院,重庆400050 |
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| 摘 要： | 运用MSC．Patran／Nastran对某型摩托车车架进行了模态分析，获得其低阶固有频率及振型，并与实验结果对比，验证了所建立有限元模型的正确性，在此基础上，通过灵敏度分析选择设计变量，并以车架重量最轻为目标函数，以固有频率为约束条件，对车架结构进行了优化．
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| 关 键 词： | 摩托车 车架 模态分析 灵敏度 优化 |
| 文章编号： | 1671-0924（2007）12-0024-04 |
| 收稿时间： | 2007-10-11 |
Modal Analysis and Optimization of Motorcycle Frame |
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| HUANG Xin, HE Jian-min, CHEN Song.Modal Analysis and Optimization of Motorcycle Frame[J].Journal of Chongqing Institute of Technology,2007,21(23):24-27,32. |
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| Authors: | HUANG Xin HE Jian-min CHEN Song |
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| Abstract: | In this paper, a free modal analysis on motorcycle frames is conducted with MSC. Nastran Software, and the main order natural frequencies and corresponding mode shapes are obtained, which are contrasted with the results of the experiment, showing validity of the FEM model. Based on the above results, after the design variables are selected with sensitivity analysis, then the minimum frame weight optimization is finished with the lightest frame as the object function and natural frequencies as the constraints. |
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| Keywords: | motorcycle frame modal analysis sensitivity optimization |
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