| 微型客车车身疲劳破坏CAE仿真 |
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| 引用本文： | 夏秀岳.微型客车车身疲劳破坏CAE仿真[J].计算机辅助工程,2008,17(4):46-50. |
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| 作者姓名： | 夏秀岳 |
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| 作者单位： | 重庆大学,机械传动国家重点实验室,重庆,400044;重庆大学,研究生创新基地,重庆,400044 |
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| 摘 要： | 为解决微型客车在山区使用过程中后立柱和后门槛板等部件出现疲劳裂纹的问题，采用ANSYS和LS—DYNA对整车在实际使用条件下的应力分布及随时间的变化进行仿真．对关键部件进行疲劳寿命计算和分析，从中找到部件产生疲劳裂纹的主要原因；提出多种改进方法，并基于CAE仿真分析筛选出改动小、成本低、效果好的方案；根据改进部件的疲劳寿命预测和评价确定最终改进方案．
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| 关 键 词： | 微型客车车身 后立柱 后门槛板 疲劳破坏 静载分析 瞬态响应分析 疲劳寿命分析 |
| 收稿时间： | 2008/3/25 0:00:00 |
| 修稿时间： | 5/6/2008 12:00:00 AM |
CAE simulation on fatigue breach of minibus body |
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| XIA Xiuyu.CAE simulation on fatigue breach of minibus body[J].Computer Aided Engineering,2008,17(4):46-50. |
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| Authors: | XIA Xiuyu |
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| Affiliation: | XIA Xiuyue a,b,SUO Xiaozheng a,HU Yumei a,TU Wenbing a,b (a.State Key Lab.of Mechanical Transmission,b.Innovation Base for Graduates,Chongqing Univ.,Chongqing 400044,China) |
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| Abstract: | With the fatigue crack problems of rear pillar and rear doorsill and so on which occur when minibuses are used in mountainous area,ANSYS/LS-DYNA is used to simulate distribution of stress and its variety with use time according to practical condition of using on minibus body.The fatigue life-span of key parts is computed and analyzed to find out the main reasons that lead to fatigue breach of parts.Many measures are proposed to pick out the solution with less changes,lower cost and better effect based on CA... |
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| Keywords: | minibus body rear pillar rear doorsill fatigue breach static analysis transient analysis fatigue life-span analysis |
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