针对行人保护头部碰撞的发动机罩设计方法  

Design Method of Engine Hood Based on Pedestrian Protection for Head Impact

作　　者：张轶川[1] 朱西产[1] 苗强[1] 王大志[2] 刘军勇[2] 

机构地区：[1]同济大学 [2]上海汽车集团股份有限公司技术中心

出　　处：《汽车技术》2009年第12期24-28,共5页Automobile Technology

摘　　要：分析了在新的行人保护头部碰撞法规及评价体系下,发动机罩盖设计中遇到的问题。使用Hypermesh和MADYMO建立了行人头部碰撞分析模型,并进行了试验验证。通过采用内板结构重新设计、改进材料特性、控制质量等方法,有效克服了遇到的问题。结果表明,通过采取被动安全措施,依然可以有效提高行人头部保护性能。The problems encountered in engine hood design under new regulation and assessment program of pedestrian protection for head impact were analyzed.The FEA model of pedestrian protection for head impact is established on software Hypermesh and MADYMO,and is validated by test.These problems were solved effectively by changing inner hood structure,improving material properties and controlling the mass of inner hood,which indicates that adoption of passive safety measures can also improve the performance of pede...

关 键 词：行人头部保护 碰撞 发动机罩 

分 类 号：U463.5[机械工程—车辆工程]