吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (2): 318-324.doi: 10.13229/j.cnki.jdxbgxb201402007

• 论文 • 上一篇    下一篇

基于参数反求的汽车乘员肋骨有限元模型

陈吉清1,2, 李伟1,2, 刘卫国3, 兰凤崇1,2, 马正伟1,2   

  1. 1. 华南理工大学 机械与汽车工程学院, 广州 510641;
    2. 华南理工大学 广东省汽车工程重点实验室, 广州 510641;
    3. 浙江省汽车安全控制技术重点实验室, 杭州 311228
  • 收稿日期:2012-12-10 出版日期:2014-02-01 发布日期:2014-02-01
  • 通讯作者: 兰凤崇（1959- ），男，教授，博士生导师.研究方向：车身结构与安全.E-mail：fclan@scut.edu.cn E-mail:fclan@scut.edu.cn
  • 作者简介:陈吉清（1966- ），女，教授，博士生导师.研究方向：车身结构与安全.E-mail：chjq@scut.edu.cn
  • 基金资助:

    科技部国家科技支撑计划项目（2011BAG03B02）；浙江省汽车安全控制技术重点实验室开放基金项目（2011E10002）.

Finite element models of vehicle’s occupant ribs based on the inverse method

CHEN Ji-qing1,2, LI Wei1,2, LIU Wei-guo3, LAN Feng-chong1,2, MA Zheng-wei1,2   

  1. 1. School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510641, China;
    2. Guangdong Key Laboratory of Automotive Engineering, South China University of Technology, Guangzhou 510641, China;
    3. Zhejiang Key Laboratory of Automobile Safety Technology, Hangzhou 311228, China
  • Received:2012-12-10 Online:2014-02-01 Published:2014-02-01

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摘要：

为预测和评判汽车碰撞事故中乘员胸部肋骨骨折引起的胸部损伤，对一位中国成年男性志愿者进行CT扫描，建立了具有人体解剖学结构的肋骨有限元模型。为提高模型的生物仿真度，通过动物组织反求试验获得肋骨材料参数。模型用Kindig所做的人体肋骨载荷试验进行验证，并与直接引用参考文献材料参数得到的仿真数据进行比较。结果表明：其位移-反作用力曲线与试验曲线吻合较好；采用反求方法获取的材料参数进行仿真计算时肋骨具有更好的生物仿真度。

关键词: 车辆工程, 生物力学模型, 人体肋骨, 参数反求

Abstract:

In order to predict and evaluate the human thoracic injuries caused by rib fracture in car crashes, a finite element model of human ribs having the features of human anatomy structure is established and verified based on the CT scanning of a 50 percentile Chinese male volunteer. To improve the model's biological fidelity, the material parameters of ribs are gained by reverse experiment of animal tissue. The model is verified by the Kindig's load experiment of human body ribs and compared with the simulation data, which the material parameters were cited directly from the reference. The results show that the reaction force-displacement curve agrees well with the experimental curve and the model has a better biological fidelity when the material parameters were gained from the reverse engineering method.

Key words: vehicle engineering, biomechanical model, human rib, parameters reverse method

中图分类号: 

  • U461.91

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