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某非承载式车身底板纵梁开裂分析研究

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某非承载式车身底板纵梁开裂分析研究
Cracking Analysis and Research for Floor Longitudinal Beam of A non-Loaded vehicle Body
投稿时间:2018-06-07
DOI:10.15918/j.tbit1001-0645.2018.增刊1.040
中文关键词:车身底板悬置纵梁可靠性试验开裂CAE
English Keywords:the floor suspension longitudinal beamreliability testcrackingCAE
基金项目:
作者单位
管加团北京汽车研究总院有限公司, 北京 101300
陈允成北京汽车研究总院有限公司, 北京 101300
徐倩倩北京汽车研究总院有限公司, 北京 101300
刘玉博北京汽车研究总院有限公司, 北京 101300
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中文摘要:
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.
English Summary:
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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