吉林大学学报(工学版) ›› 2014, Vol. 44 ›› Issue (01): 17-21.doi: 10.13229/j.cnki.jdxbgxb201401004

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Structural design of variable cross-section stamping column to improve bus rollover safety

LIU Yu, YAO Cheng, NA Jing-xin   

  1. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
  • Received:2012-12-14 Online:2014-01-01 Published:2014-01-01

Abstract:

According to the characteristic that, in bus rollover accident, the window pillar withstands unequal rollover crash moments, an approach of variable cross-section stamping column is proposed and cross-section dimension of column is studied. First, finite element method is used to simulate the performance of uniform cross-section stamping column, and experiments is conducted to validate finite element method. Then, finite element method is applied to simulate the performance of variable cross-section stamping column in bus rollover. Results show, compared with uniform cross-section column, the variable cross-section stamping column can significantly improve the safety in bus rollover accident.

Key words: vehicle engineering, variable cross-section stamping column, rollover safety, bus

CLC Number: 

  • U461.91

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