| 汽车后防护装置的碰撞仿真分析 |
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| 引用本文： | 马迅,郝琪,周宗良.汽车后防护装置的碰撞仿真分析[J].公路交通科技,2009,26(4). |
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| 作者姓名： | 马迅 郝琪 周宗良 |
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| 作者单位： | 湖北汽车工业学院,湖北,十堰,442002 |
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| 基金项目： | 湖北省教育厅科学技术研究项目 |
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| 摘 要： | 应用动态非线性有限元法,按照国标GB11567.2-2001关于汽车后下部防护装置要求中规定的条件,对某重型商用车后下部防护装置在追尾碰撞过程中的变形、速度及加速度的动态仿真分析方法进行了详细的介绍.应用Hyperworks在结构合理简化的基础上,建立了结构碰撞分析的结构有限元模型.通过LEDYNA对两种不同设计方案进行了仿真计算,通过对仿真结果的比较分析,确定了满足法规要求和满足安全性要求的较佳方案.
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| 关 键 词： | 汽车工程 仿真 非线性有限元法 防护装置 后碰撞 |
Simulation of Impact of a Rear Underrun Protective Device on Vehicle |
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| MA Xun,HAO Qi,ZHOU Zongliang.Simulation of Impact of a Rear Underrun Protective Device on Vehicle[J].Journal of Highway and Transportation Research and Development,2009,26(4). |
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| Authors: | MA Xun HAO Qi ZHOU Zongliang |
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| Institution: | Hubei University of Automotive Technology;Shiyan Hubei 442002;China |
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| Abstract: | By means of the dynamic non-linear finite element method and according to the requirement of the rear underrun protective device stipulated in national standard GB11567.2-2001,the deformation,speed and acceleration of the backend of the protective device of a heavy-duty commercial vehicle during rear-end impact were simulated and the simulation was introduced.The software HyperWorks was used to set up the finite element model for structural collision analysis after reasonable structural simplification.The s... |
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| Keywords: | automobile engineering simulation non-linear FEM protective device rear-end impact |
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