| 轿车白车身模态试验与有限元模态分析的对比 |
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| 引用本文： | 廖林清,徐科峰,雷刚,屈翔.轿车白车身模态试验与有限元模态分析的对比[J].重庆工学院学报,2009,23(1):11-14,66. |
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| 作者姓名： | 廖林清 徐科峰 雷刚 屈翔 |
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| 作者单位： | 重庆工学院重庆汽车学院车辆模拟与试验工程技术研究中心; |
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| 基金项目： | 重庆市重大科技攻关项目(CSTC,2007AA6009) |
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| 摘 要： | 以某轿车白车身为研究对象,利用模态试验分析方法研究该白车身的振动,用随机信号对白车身进行激励,测得固有频率、阻尼、振型等模态参数.并与该白车身的有限元模态分析结果进行对比,用分析结果的差别评价该白车身动态特性.
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| 关 键 词： | 白车身 模态试验分析 有限元模态分析 动态特性 |
Comparison between Modal Analysis and Experimental Modal Analysis of Car's Body-in-White |
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| LIAO Lin-qing,XU Ke-feng,LEI Gang,QU Xiang.Comparison between Modal Analysis and Experimental Modal Analysis of Car's Body-in-White[J].Journal of Chongqing Institute of Technology,2009,23(1):11-14,66. |
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| Authors: | LIAO Lin-qing XU Ke-feng LEI Gang QU Xiang |
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| Affiliation: | Research Center for Automobile Simulation and Experiment Engineering Technology;Chongqing Institute of Automobile;Chongqing Institute of Technology;Chongqing 400050;China |
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| Abstract: | Taking car's body-in-white as subject,this paper analyzes the vibration of the body-in-white based on the experimental modal analysis method.The modal parameters such as the mode frequency,damp and shape of the frame are identified by using random signal.The results of the finite element modal analysis are compared with that of test,then comments are offered on the dynamic characteristics of the car's body-in-white. |
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| Keywords: | body-in-white experiment modal analysis finite element modal analysis dynamic characteristic |
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