期刊
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES
卷 27, 期 10, 页码 789-799出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2019.1665760
关键词
Vertex-based hierarchical honeycomb; energy absorption; crushing behavior; folded element
类别
资金
- National Natural Science Foundation of China [51875581, 51505502]
- Hunan Provincial Natural Science Foundation of China [2019JJ50811]
- Training Program for Excellent Young Innovators of Changsha [kq1802004]
- Hunan Provincial Innovation Foundation For Postgraduate [CX20190081]
This study presents numerical and theoretical investigation for the vertex-based hierarchical honeycomb structure subjected to axial compression. Mechanical behavior as well as predictable formulas were explored based on folded element and Minimal Energy Principle. Parametric studies were numerically conducted with different scale ratio, and the influence of wall thickness on mechanical performance was determined. Good agreement was observed between the numerical results and theoretical solutions, which validates the analytical model well. Furthermore, deformation mode comparisons were conducted between vertex-based hierarchical honeycomb and other filled-type honeycomb structures. Evident promotion on energy absorption was obtained for vertex-based hierarchical honeycomb.
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