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

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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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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

CLC Number: 

  • U461.91

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