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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2008, Vol. 9 Issue (11): 1473-1479    DOI: 10.1631/jzus.A0820038
Civil & Mechanical Engineering     
Improved concept models for straight thin-walled columns with box cross section
Yu-cheng LIU
Department of Mechanical Engineering, University of Louisville, Louisville, KY 40292, USA
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Abstract  This paper focuses on developing improved concept models for straight thin-walled box sectional columns which can better predict the peak crushing force that occurs during crashworthiness analyses. We develop a nonlinear translational spring based on previous research and apply such a spring element to build the enhanced concept models. The work presented in this article is developed on the basis of the publication of the author (Liu and Day, 2006b) and has been applied in a crashworthiness design issue, which is presented by the author in another paper (Liu, 2008).

Key words： Concept model      Peak crushing force      Box section      Nonlinear translational springs      Crashworthiness analysis      Thin-walled column     
Received: 14 January 2008     
CLC:  O342  
  TU311  
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Cite this article:

Yu-cheng LIU. Improved concept models for straight thin-walled columns with box cross section. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2008, 9(11): 1473-1479.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.A0820038     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2008/V9/I11/1473

[1] Yu-cheng LIU, Michael L. DAY. Concept modeling of tapered thin-walled tubes[J]. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2009, 10(1): 44-53.
[2] Huang Zhen, Liu Xi-la, Yang Guang. Unified expression for failure of reinforced concrete members in bridge[J]. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2006, 7(3): 383-390.