吉林大学学报(工学版) ›› 2016, Vol. 46 ›› Issue (3): 745-750.doi: 10.13229/j.cnki.jdxbgxb201603010

• Orginal Article • Previous Articles     Next Articles

Crushing model of rectangular section thin-walled beam filled with aluminum foam

ZHANG Jun-yuan1, 2, ZHANG Qiu-shi1, LIU Wei-guo3, ZHANG Le1, WU Li-nan1, ZHOU Hao1   

  1. 1.State Key Laboratory of Automotive Simulation and Control, Jilin University,Changchun 130022,China;
    2.State Key Laboratory of Automotive Safety and Energy,Tsinghua University,Beijing 100084,China;
    3.Zhejiang Geely Automobile Institute Co.,Ltd.,Hangzhou 311228,China
  • Received:2014-11-26 Online:2016-06-20 Published:2016-06-20

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Abstract: A crushing model of rectangular section thin-walled beam filled with aluminum foam is proposed based on the theory of hollow rectangular section beams. The influence of the aluminum foam on the effective crushing length and the interaction between the foam and the thin-walled beam in crushing are considered in this crushing model. The average crushing force is composed of three parts, the modified hollow beam crushing force, the aluminum foam crushing force and the interaction force between the foam and the beam. Experiment data of mild steel and aluminum thin-walled beams filled with aluminum foam are adopted to validate the proposed crushing model. It is shown that the theoretical results are in good agreement with the experiment results.

Key words: vehicle engineering, aluminum foam-filled, rectangular section thin-walled beam, rushing theory

CLC Number: 

  • U461.91
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