Novel multidirectional negative stiffness mechanical metamaterials

• Published in: Smart materials and structures Vol. 29; no. 1; pp. 15037 - 15051
• Main Authors: Tan, Xiaojun, Wang, Bing, Zhu, Shaowei, Chen, Shuai, Yao, Kaili, Xu, Peifei, Wu, Linzhi, Sun, Yuguo
• Format: Journal Article
• Language: English
• Published: IOP Publishing 01.01.2020
• Subjects: disk structure; metamaterial; multidirectional; negative stiffness

This paper presents a novel tri-directional negative stiffness (NS) mechanical metamaterial, consisting of disk structure elements arranged in three-dimensions. The NS behavior was achieved through the elastic instability of the disk structure. Through the combination of numerical simulations and ex...