| 某非承载式车身底板纵梁开裂分析研究 |
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| 引用本文： | 管加团,陈允成,徐倩倩,刘玉博.某非承载式车身底板纵梁开裂分析研究[J].北京理工大学学报,2018,38(S1):187-191. |
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| 作者姓名： | 管加团 陈允成 徐倩倩 刘玉博 |
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| 作者单位： | 北京汽车研究总院有限公司, 北京 101300,北京汽车研究总院有限公司, 北京 101300,北京汽车研究总院有限公司, 北京 101300,北京汽车研究总院有限公司, 北京 101300 |
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| 摘 要： | 针对某非承载式越野车初样车在安徽定远试验场可靠性试验时发生车身底板悬置纵梁处周围区域开裂问题，通过CAE和道路试验，对车身底板纵梁开，裂问题进行分析和验证.明确底板悬置纵梁区域开裂原因，并提出结构改进方案，通过CAE分析对比改进前后方案，将结构优化方案在正样车阶段可靠性试验中得到验证.
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| 关 键 词： | 车身底板悬置纵梁 可靠性试验 开裂 CAE |
| 收稿时间： | 2018/6/7 0:00:00 |
Cracking Analysis and Research for Floor Longitudinal Beam of A non-Loaded vehicle Body |
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| GUAN Jia-tuan,CHEN Yun-cheng,XU Qian-qian and LIU Yu-bo.Cracking Analysis and Research for Floor Longitudinal Beam of A non-Loaded vehicle Body[J].Journal of Beijing Institute of Technology(Natural Science Edition),2018,38(S1):187-191. |
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| Authors: | GUAN Jia-tuan CHEN Yun-cheng XU Qian-qian and LIU Yu-bo |
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| Institution: | Beijing Automotive Technology Center, Beijing 101300, China,Beijing Automotive Technology Center, Beijing 101300, China,Beijing Automotive Technology Center, Beijing 101300, China and Beijing Automotive Technology Center, Beijing 101300, China |
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| Abstract: | For the cracking problem taking place in the surrounding area of the floor suspension longitudinal beam of a non-loaded off-road vehicle prototype during the reliability test at the Dingyuan test field in Anhui province, some analysis and verification studies were carried out with CAE and road tests. Considering the determined cracking causes of the surrounding area on the floor longitudinal beam, an improvement plan was proposed for optimal structure design. Through the CAE analysis and comparison before and after the structure improvement, the structure optimization plan was verified in practical prototype reliability test. |
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| Keywords: | the floor suspension longitudinal beam reliability test cracking CAE |
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