A novel gardenia-shaped structure materials with variable stiffness under elastic tension

•Optimised gardenia-shaped structural materials.•Gardenia-shaped structural materials are susceptible to variable stiffness characteristics.•The variable stiffness properties of gardenia-shaped structure materials are investigated by experimental and finite element methods. Nature's creatures o...

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Bibliographic Details
Published in:Materials letters 2023-11, Vol.350, p.134821, Article 134821
Main Authors: Feng, Ning, Tie, Yuanhao, Wang, Shangbin, Huang, Chongfu, Lv, Liwen, Xie, Weibo, Wang, Jingze
Format: Article
Language:English
Subjects:
Bionic structure
Honeycomb
Mechanical metamaterials
Variable stiffness
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Summary:•Optimised gardenia-shaped structural materials.•Gardenia-shaped structural materials are susceptible to variable stiffness characteristics.•The variable stiffness properties of gardenia-shaped structure materials are investigated by experimental and finite element methods. Nature's creatures often have unique behaviors that have inspired humans to create many bionic structures to meet engineering needs. In previous work, we reported a Gardenia-shaped structure (GSS) materials. Then an optimal GSS materials is developed in this paper. The optimal GSS materials shows its easily available variable stiffness characteristics from the testing in the homemade experimental bench. The variable stiffness characteristics of the optimal GSS materials were investigated by using both experimental and finite element methods in this paper. The experimental results show good agreement with the numerical results. The excellent performance of the optimal GSS materials has the potential for engineering applications to meet multi-stiffness requirements.
ISSN:0167-577X
1873-4979
DOI:10.1016/j.matlet.2023.134821