| 曲率模态及其在汽车后桥损伤识别中的应用 |
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| 引用本文： | 马立英,周鋐,彭晓俊.曲率模态及其在汽车后桥损伤识别中的应用[J].同济大学学报(自然科学版),2011,39(8):1208-1211. |
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| 作者姓名： | 马立英 周鋐 彭晓俊 |
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| 作者单位： | 同济大学汽车学院,上海,201804 |
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| 摘 要： | 引入曲率模态分析方法,以某轿车后桥为研究对象,通过试验模态分析获得损伤前后结构模态参数,计算曲率模态,选取平均曲率模态绝对差作为指标,对轿车后桥进行损伤识别.结果表明,该方法对结构局部变化敏感,可以识别损伤位置及损伤程度,为车辆结构件损伤识别提供了一种可行的研究方法.
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| 关 键 词： | 曲率模态 损伤识别 模态分析 轿车后桥 |
| 收稿时间： | 2010/4/26 0:00:00 |
| 修稿时间： | 5/4/2011 11:17:06 AM |
Application of Curvature Mode Shape to Damage Identification of Rear Axle |
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| MA Liying,ZHOU Hong and PENG Xiaojun.Application of Curvature Mode Shape to Damage Identification of Rear Axle[J].Journal of Tongji University(Natural Science),2011,39(8):1208-1211. |
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| Authors: | MA Liying ZHOU Hong and PENG Xiaojun |
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| Affiliation: | School of automotive Engineering,Tongji University,School of automotive Engineering,Tongji University,School of Autommotive Engineering,Tongji University |
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| Abstract: | Curvature mode theory was introduced to the damage identification of a rear axle of a car.The modal test analysis of rear axle was done.Results shows that the change of curvature mode shape has an obvious effect on identifing the local damage.The study results provide a practicable research method for structure damage identification of automobile components . |
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| Keywords: | curvature mode damage identification modal analysis real axle |
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