| 泡沫应变率对行人小腿碰撞性能影响的研究 |
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| 引用本文： | 陈金华,黄向东,田晟.泡沫应变率对行人小腿碰撞性能影响的研究[J].汽车技术,2011(12). |
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| 作者姓名： | 陈金华 黄向东 田晟 |
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| 作者单位： | 1. 广州汽车集团股份有限公司汽车工程研究院;华南理工大学
2. 华南理工大学 |
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| 摘 要： | 建立了车辆-行人小腿碰撞模型,在考虑和不考虑泡沫应变率效应的条件下进行了车辆保险杠与行人小腿的碰撞模拟分析,并与试验结果进行了对比.通过对小腿加速度、弯曲角、剪切位移3个性能参数的模拟分析结果表明,泡沫应变率对行人小腿碰撞性能影响较大,因此在实际分析中必须考虑泡沫材料的应变率效应.
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| 关 键 词： | 行人保护 小腿 泡沫 应变率 碰撞 |
Study on the Effects of Foam Strain Rate on the Impact Performance of Pedestrian Lower Leg |
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| Chen Jinhua
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Huang Xiangdong
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Tian Sheng.Study on the Effects of Foam Strain Rate on the Impact Performance of Pedestrian Lower Leg[J].Automobile Technology,2011(12). |
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| Authors: | Chen Jinhua Huang Xiangdong Tian Sheng |
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| Institution: | Chen Jinhua1,2,Huang Xiangdong1,Tian Sheng2(1.Guangzhou Automobile Group Co.,LTD.Automotive Engineering Institute,2.South China University of Technology) |
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| Abstract: | A finite element model for vehicle-pedestrian lower leg impact was built,the simulation between vehicle bumper and pedestrian lower leg was conducted both with and without the consideration of foam strain rate and the results were compared with the test.The simulation and analysis on lower leg acceleration,bending angle,and shear displacement showed that foam strain rate has large effects on pedestrian lower leg impact performance,therefore,the strain rate of foam must be considered in the simulation analys... |
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| Keywords: | Pedestrian protection Lower leg Foam Strain rate Impact |
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