Research on hierarchical cylindrical negative stiffness structures' energy absorption characteristics

被引：8

作者：

Liu, Xin ^{[1
]}

Tan, Xiaojun ^{[2
]}

Wang, Bing ^{[1
]}

Chen, Shuai ^{[1
]}

Wang, Lianchao ^{[1
]}

Zhu, Shaowei ^{[3
]}

机构：

[1] Harbin Inst Technol, Natl Key Lab Sci & Technol Adv Composites Special, Harbin 150080, Peoples R China

[2] Northwestern Polytech Univ, Sch Civil Aviat, Xian 710072, Peoples R China

[3] Chongqing Univ, Coll Aerosp Engn, Chongqing 400030, Peoples R China

来源：

SMART MATERIALS AND STRUCTURES | 2023年 / 32卷 / 08期

基金：

中国国家自然科学基金;

关键词：

negative stiffness; cylindrical structures; hierarchical structures; energy absorption; cushion performance; MECHANICAL METAMATERIALS; ARCHITECTED MATERIALS; DESIGN; FABRICATION;

D O I：

10.1088/1361-665X/ace4ab

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

Negative stiffness (NS) structures possess distinctive mechanical properties and exhibit promising potential for diverse applications. In this paper, we presented an innovative hierarchical design to further enhance the capabilities of NS structures. The dynamic and static performance of the normal and hierarchical cylindrical NS structures were investigated and compared with experiments and numerical simulation. The results demonstrated that the hierarchical structures displayed superior cushioning performance relative to the traditional one. The presented approach offers a novel method to enhance cylindrical NS structures and serves as a valuable reference for future research in this field.

引用

页数：14

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