Design of hierarchical structures for synchronized deformations

Seifi, H, Rezaee Javan, A, Ghaedizadeh, A, Shen, J, Xu, S and Xie, Y 2017, 'Design of hierarchical structures for synchronized deformations', Scientific Reports, vol. 7, 41183, pp. 1-7.


Document type: Journal Article
Collection: Journal Articles

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Title Design of hierarchical structures for synchronized deformations
Author(s) Seifi, H
Rezaee Javan, A
Ghaedizadeh, A
Shen, J
Xu, S
Xie, Y
Year 2017
Journal name Scientific Reports
Volume number 7
Article Number 41183
Start page 1
End page 7
Total pages 7
Publisher Nature
Abstract In this paper we propose a general method for creating a new type of hierarchical structures at any level in both 2D and 3D. A simple rule based on a rotate-and-mirror procedure is introduced to achieve multi-level hierarchies. These new hierarchical structures have remarkably few degrees of freedom compared to existing designs by other methods. More importantly, these structures exhibit synchronized motions during opening or closure, resulting in uniform and easily-controllable deformations. Furthermore, a simple analytical formula is found which can be used to avoid collision of units of the structure during the closing process. The novel design concept is verified by mathematical analyses, computational simulations and physical experiments.
Subject Structural Engineering
Keyword(s) Negative poissons ratio
Auxetic behavior
Mechanical-properties
Metamaterials
Honeycombs
DOI - identifier 10.1038/srep41183
Copyright notice © 2017 The Author(s). This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit: http://creativecommons.org/licenses/by/4.0/
ISSN 2045-2322
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Citation counts: TR Web of Science Citation Count  Cited 3 times in Thomson Reuters Web of Science Article | Citations
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