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22 March 2021 Origami-inspired design methodology of extremal metamaterials: from nullmode to hexamode
Zhou Hu, Zhibo Wei, Rui Zhu, Yan Chen, Gengkai Hu
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Proceedings Volume 11593, Health Monitoring of Structural and Biological Systems XV; 115931E (2021) https://doi.org/10.1117/12.2584357
Event: SPIE Smart Structures + Nondestructive Evaluation, 2021, Online Only
Abstract
Inspired by the concept of origami, a design methodology of extremal metamaterial is developed and the effective elastic tensors of the metamaterials are obtained. Different soft modes are realized with special line-plane connections between the cubes and hexahedrons of an origami unit and the transition from nullmode to hexamode is also demonstrated. A new pentamode metamaterial with only one resistant deformation that is not hydrostatic is designed. By further degrading the local connections, a hexamode metamaterial is realized for the first time. It is believed that the design methodology can unlock a new field of extremal metamaterials with novel properties.
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Zhou Hu, Zhibo Wei, Rui Zhu, Yan Chen, and Gengkai Hu "Origami-inspired design methodology of extremal metamaterials: from nullmode to hexamode", Proc. SPIE 11593, Health Monitoring of Structural and Biological Systems XV, 115931E (22 March 2021); https://doi.org/10.1117/12.2584357
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KEYWORDS
Metamaterials
Acoustics
Homogenization
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