Design of Hierarchical Structures for Synchronized Deformations

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...

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Bibliographic Details
Published in:Scientific reports 2017-01, Vol.7 (1), p.41183-41183, Article 41183
Main Authors: Seifi, Hamed, Javan, Anooshe Rezaee, Ghaedizadeh, Arash, Shen, Jianhu, Xu, Shanqing, Xie, Yi Min
Format: Article
Language:English
Subjects:
639/301/1005/1009
639/301/1023/303
639/301/357/1015
Collision avoidance
Computer applications
Deformation
Design
Humanities and Social Sciences
Mechanical properties
multidisciplinary
Science
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Summary: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.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep41183