期刊
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
卷 46, 期 -, 页码 23-40出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2012.02.002
关键词
Honeycomb; Multi-cell; Energy absorption; Axial compression; Angle element
资金
- National Natural Science Foundation of China [11002060]
- HUST [2010QN002]
Honeycomb cellular structures and multi-cell prismatic columns are highly efficient and effective energy dissipating components and are widely used in the crashworthiness design of vehicles. Due to the complex features during large plastic deformation, only few special sections have been theoretical modeled for their energy absorption capacity under axial compression. In this paper, based on a simplified FE model, the energy absorption characteristics of angle elements with three panels are investigated by using the non-linear finite element code LS-DYNA. Theoretical models are proposed to predict the crush resistance of three-panel angle elements with different angles. Numerical results show that the proposed theoretical model can predict the energy absorption of these angle elements with good accuracy. (C) 2012 Elsevier Ltd. All rights reserved.
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