期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 29, 期 13, 页码 1911-1924出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2020.1846099
关键词
Axial crushing; deformation mode; energy absorption; thin-walled tubes
类别
资金
- National Natural Science Foundation of China [11772216, 11772215, 11902215, 11602161, 12072219]
- 1331 Project Fund
- Top Young Academic Leaders of Shanxi
- Sanjin Young Scholars Project of Shanxi Province
- Youth Academic Backbone Cultivation Project from Taiyuan University of Technology
- Opening Foundation for State Key Laboratory for Strength and Vibration of Mechanical Structures
- Key Innovation Teams of Shanxi Province
A new prefolded tube is proposed by incorporating web into a thin-walled tube based on Miura origami, which exhibits excellent energy absorption capacity and low initial peak force.
A new prefolded tube is proposed by introducing web into a thin-walled tube based on Miura origami. The quasi-static compression analysis of this tube shows that the web has an important influence on deformation mode and energy absorption. Compared with a circular tube, the new thin-walled tube not only maintains the superior performance of low initial peak force and induced deformation mode, but also has a better energy absorption capacity. The influences of the number of units, edges, and prefolding angle on the deformation process of the new thin-walled tube are determined through parameter analysis. An optimized structure is designed, and the initial peak force is reduced. The energy absorption of the new structure under quasi-static compression is also theoretically analyzed, and the theoretical results are in good agreement with the numerical simulation results.
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