Tunable topological states of one-dimensional dielectric laminates

IF 3.8 3区工程技术 Q1 MECHANICS

International Journal of Solids and Structures Pub Date : 2025-08-13 DOI:10.1016/j.ijsolstr.2025.113609

Shaowei Chen , Bin Wu , Yanzheng Wang , Jun Zhu , Huaping Wu

{"title":"Tunable topological states of one-dimensional dielectric laminates","authors":"Shaowei Chen , Bin Wu , Yanzheng Wang , Jun Zhu , Huaping Wu","doi":"10.1016/j.ijsolstr.2025.113609","DOIUrl":null,"url":null,"abstract":"<div><div>This paper investigates the tunable topological states in one-dimensional dielectric elastomer (DE) laminates, aiming to explore active control mechanisms for topological phononic crystals (PCs). Utilizing DE materials capable of significant deformation under external electric fields, the study examines how interface modes are influenced by energy band transitions induced by breaking spatial-inversion symmetry. A theoretical model of the incremental wave in the DE laminate based on nonlinear electroelasticity is developed, and numerical calculations are performed using the Transfer Matrix Method (TMM) and Finite Element Method (COMSOL). Key findings reveal that the position of topological phase transition points can be precisely controlled by changing the external electric field, thereby enabling the opening and closing of bandgaps (BGs) and the emergence of interface states. The results demonstrate the potential of DE-based PCs for advanced applications in acoustic manipulation and adaptive materials, highlighting their transformative role in dynamic wave control.</div></div>","PeriodicalId":14311,"journal":{"name":"International Journal of Solids and Structures","volume":"322 ","pages":"Article 113609"},"PeriodicalIF":3.8000,"publicationDate":"2025-08-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Solids and Structures","FirstCategoryId":"5","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0020768325003956","RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"MECHANICS","Score":null,"Total":0}

引用次数: 0

Abstract

This paper investigates the tunable topological states in one-dimensional dielectric elastomer (DE) laminates, aiming to explore active control mechanisms for topological phononic crystals (PCs). Utilizing DE materials capable of significant deformation under external electric fields, the study examines how interface modes are influenced by energy band transitions induced by breaking spatial-inversion symmetry. A theoretical model of the incremental wave in the DE laminate based on nonlinear electroelasticity is developed, and numerical calculations are performed using the Transfer Matrix Method (TMM) and Finite Element Method (COMSOL). Key findings reveal that the position of topological phase transition points can be precisely controlled by changing the external electric field, thereby enabling the opening and closing of bandgaps (BGs) and the emergence of interface states. The results demonstrate the potential of DE-based PCs for advanced applications in acoustic manipulation and adaptive materials, highlighting their transformative role in dynamic wave control.

查看原文本刊更多论文

一维介电层压板的可调拓扑状态

本文研究了一维介质弹性体（DE）层压板的可调谐拓扑状态，旨在探索拓扑声子晶体（PCs）的主动控制机制。利用能够在外电场下产生显著变形的DE材料，研究了由打破空间反演对称性引起的能带跃迁如何影响界面模式。建立了基于非线性电弹性的DE层合板增量波理论模型，并采用传递矩阵法（TMM）和有限元法（COMSOL）进行了数值计算。关键发现表明，可以通过改变外加电场来精确控制拓扑相变点的位置，从而实现带隙的打开和关闭以及界面态的出现。结果证明了基于de的pc在声学操纵和自适应材料方面的先进应用潜力，突出了它们在动态波控制方面的变革作用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文求助全文

来源期刊

International Journal of Solids and Structures 物理-力学

CiteScore

6.70

自引率

8.30%

发文量

405

审稿时长

70 days

期刊介绍： The International Journal of Solids and Structures has as its objective the publication and dissemination of original research in Mechanics of Solids and Structures as a field of Applied Science and Engineering. It fosters thus the exchange of ideas among workers in different parts of the world and also among workers who emphasize different aspects of the foundations and applications of the field. Standing as it does at the cross-roads of Materials Science, Life Sciences, Mathematics, Physics and Engineering Design, the Mechanics of Solids and Structures is experiencing considerable growth as a result of recent technological advances. The Journal, by providing an international medium of communication, is encouraging this growth and is encompassing all aspects of the field from the more classical problems of structural analysis to mechanics of solids continually interacting with other media and including fracture, flow, wave propagation, heat transfer, thermal effects in solids, optimum design methods, model analysis, structural topology and numerical techniques. Interest extends to both inorganic and organic solids and structures.