Rotation‐Based Snap‐Fit Mechanical Metamaterials

Abstract Multistable mechanical metamaterials have broad application prospects in various fields due to their unique configuration transformation ability, such as energy absorption, shape reconstruction, soft actuator design, mechanical storage, and logic operation. Currently, the steady‐state trans...

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Main Authors: Rui Xu, Yulong He, Chuanqing Chen, Jiapeng Sun, Xin Li, Ming‐Hui Lu, Yan‐Feng Chen
Format: Article
Language:English
Published: Wiley 2025-05-01
Series:Advanced Science
Subjects:
Online Access:https://doi.org/10.1002/advs.202501749
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author Rui Xu
Yulong He
Chuanqing Chen
Jiapeng Sun
Xin Li
Ming‐Hui Lu
Yan‐Feng Chen
author_facet Rui Xu
Yulong He
Chuanqing Chen
Jiapeng Sun
Xin Li
Ming‐Hui Lu
Yan‐Feng Chen
author_sort Rui Xu
collection DOAJ
description Abstract Multistable mechanical metamaterials have broad application prospects in various fields due to their unique configuration transformation ability, such as energy absorption, shape reconstruction, soft actuator design, mechanical storage, and logic operation. Currently, the steady‐state transition mechanisms for most multistable mechanical metamaterials rely on translational displacement input, while the rotational input mechanisms are rarely studied. Here, a curved beam snap‐fit structure is proposed to realize the multistable transition of metamaterials under rotational load. Their mechanical characteristics and influencing factors are discussed in detail through theoretical analysis, numerical simulation, and experimental verification. In addition, related rotational multistable mechanical metamaterials prototypes are designed. Their potential applications in the fields of energy absorption or robotics are demonstrated, which opens up new ideas and directions for the multifunctional applications of mechanical metamaterials.
format Article
id doaj-art-2b1903fb06a34a878e075bd956e706f9
institution OA Journals
issn 2198-3844
language English
publishDate 2025-05-01
publisher Wiley
record_format Article
series Advanced Science
spelling doaj-art-2b1903fb06a34a878e075bd956e706f92025-08-20T01:52:42ZengWileyAdvanced Science2198-38442025-05-011219n/an/a10.1002/advs.202501749Rotation‐Based Snap‐Fit Mechanical MetamaterialsRui Xu0Yulong He1Chuanqing Chen2Jiapeng Sun3Xin Li4Ming‐Hui Lu5Yan‐Feng Chen6College of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaCollege of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaCollege of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaCollege of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaSchool of Mechanical Engineering Nanjing University of Science and Technology Nanjing 210094 P. R. ChinaCollege of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaCollege of Engineering and Applied Sciences Nanjing University Nanjing Jiangsu 210093 P. R. ChinaAbstract Multistable mechanical metamaterials have broad application prospects in various fields due to their unique configuration transformation ability, such as energy absorption, shape reconstruction, soft actuator design, mechanical storage, and logic operation. Currently, the steady‐state transition mechanisms for most multistable mechanical metamaterials rely on translational displacement input, while the rotational input mechanisms are rarely studied. Here, a curved beam snap‐fit structure is proposed to realize the multistable transition of metamaterials under rotational load. Their mechanical characteristics and influencing factors are discussed in detail through theoretical analysis, numerical simulation, and experimental verification. In addition, related rotational multistable mechanical metamaterials prototypes are designed. Their potential applications in the fields of energy absorption or robotics are demonstrated, which opens up new ideas and directions for the multifunctional applications of mechanical metamaterials.https://doi.org/10.1002/advs.202501749cross‐dimensional assemblyenergy absorptionmultistable mechanical metamaterialsrobotic grippersrotational snap‐fit structures
spellingShingle Rui Xu
Yulong He
Chuanqing Chen
Jiapeng Sun
Xin Li
Ming‐Hui Lu
Yan‐Feng Chen
Rotation‐Based Snap‐Fit Mechanical Metamaterials
Advanced Science
cross‐dimensional assembly
energy absorption
multistable mechanical metamaterials
robotic grippers
rotational snap‐fit structures
title Rotation‐Based Snap‐Fit Mechanical Metamaterials
title_full Rotation‐Based Snap‐Fit Mechanical Metamaterials
title_fullStr Rotation‐Based Snap‐Fit Mechanical Metamaterials
title_full_unstemmed Rotation‐Based Snap‐Fit Mechanical Metamaterials
title_short Rotation‐Based Snap‐Fit Mechanical Metamaterials
title_sort rotation based snap fit mechanical metamaterials
topic cross‐dimensional assembly
energy absorption
multistable mechanical metamaterials
robotic grippers
rotational snap‐fit structures
url https://doi.org/10.1002/advs.202501749
work_keys_str_mv AT ruixu rotationbasedsnapfitmechanicalmetamaterials
AT yulonghe rotationbasedsnapfitmechanicalmetamaterials
AT chuanqingchen rotationbasedsnapfitmechanicalmetamaterials
AT jiapengsun rotationbasedsnapfitmechanicalmetamaterials
AT xinli rotationbasedsnapfitmechanicalmetamaterials
AT minghuilu rotationbasedsnapfitmechanicalmetamaterials
AT yanfengchen rotationbasedsnapfitmechanicalmetamaterials