| 曲率模态及其在汽车后桥损伤识别中的应用 |
| |
| 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. DOI: 10.3969/j.issn.0253-374x.2011.08.020 |
| |
| 作者姓名： | 马立英 周鋐 彭晓俊 |
| |
| 作者单位： | 同济大学汽车学院,上海,201804 |
| |
| 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.
|
| 关 键 词： | 曲率模态 损伤识别 模态分析 轿车后桥 |
| 收稿时间： | 2010-04-26 |
| 修稿时间： | 2011-05-04 |
Application of Curvature Mode Shape to Damage Identification of Rear Axle |
| |
| 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. DOI: 10.3969/j.issn.0253-374x.2011.08.020 |
| |
| Authors: | MA Liying ZHOU Hong PENG Xiaojun |
| |
| Affiliation: | School of automotive Engineering,Tongji University,School of automotive Engineering,Tongji University,School of Autommotive Engineering,Tongji University |
| |
| 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 . |
| |
| Keywords: | curvature mode damage identification modal analysis real axle |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《同济大学学报(自然科学版)》浏览原始摘要信息 |
|
点击此处可从《同济大学学报(自然科学版)》下载全文 |
|
