期刊
THIN-WALLED STRUCTURES
卷 100, 期 -, 页码 38-47出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.tws.2015.11.023
关键词
Thin-walled tubes; Rigid origami pattern; Axial crushing; Energy absorption
资金
- National Natural Science Foundation of China [51575377, 51422506, 51290293]
This paper presents a novel thin-walled tube design with a pre-folded kite-shape rigid origami pattern as an energy absorption device. Numerical simulation of the quasi-static axial crushing of the new device shows that a smooth and high reaction force curve can be achieved in comparison with those of conventional square tubes, with an increase of 29.2% in specific energy absorption and a reduction of 56.5% in initial peak force being obtained in the optimum case. A theoretical study of the energy absorption of the new device has also been conducted, which matches reasonably well with the numerical results. (C) 2015 Elsevier Ltd. All rights reserved.
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