儿童碰撞假人几何与材料参数反求

曹立波; 杜现平; 张冠军; 张恺

doi:10.13433/j.cnki.1003-8728.2015.1124

儿童碰撞假人几何与材料参数反求

doi: 10.13433/j.cnki.1003-8728.2015.1124

1.
湖南大学湖南大学汽车车身先进设计制造国家重点实验室, 长沙 410082

基金项目:

国家高技术研究发展计划(863计划)项目(2012AA111802)与湖南大学汽车车身先进设计制造国家重点实验自主研究课题(51275001)资助

详细信息

作者简介:
曹立波(1964-),教授,博士,博士生导师,研究方向为汽车车身设计及碰撞安全,hdclb@163.com

计量
- 文章访问数: 178
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- PDF下载量: 6
- 被引次数: 0
出版历程
- 收稿日期: 2014-02-12
- 刊出日期: 2015-11-05

Reverse of Geometry and Material Parameter for Child Crash Dummy

1.
State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha 410082, China

摘要

摘要: 汽车碰撞测试用Q6儿童假人结构较复杂、没有公开几何及材料参数,难以对其进行深入研究和改进。因此,利用CT技术,对Q6假人无金属反光几何边界进行反求;设计并制作了质心测量仪,采用试错法,基于质心一致进行金属件反求,并用转动惯量校正。设计了新型排水法,应用于髋部和锁骨的材料密度反求;设计并利用矩阵方程法进行多材料组合部件的密度反求。通过以上方法获得了Q6假人主要部件的几何模型及材料参数。
- 儿童假人 /
- 参数反求 /
- 新型排水法 /
- 矩阵方程法
Abstract: The study was difficultly taken for the Q6 crash test dummy existing some problems, such as structural complexity and unclear of material parameters. The geometry unaffected by metal was constructed using CT-scans. The metal-bearing part was designed using a centroid measuring tool applying trial and error based on the centroid consistent. Furthermore, the new drainage law was established and the density of hip skin and clavicle was reserved by the way. The density of composite component was reserved in the base of the designed matrix algebra method. Ultimately, the main geometry and density of the Q6 child dummy was established based on those methods. It offers the foundation of improvement and development of the finite element model of child crash dummy.
- data processing /
- design of experiments /
- design /
- errors

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参考文献(14)

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