使用miura折叠的超材料按需操纵拓扑状态

IF 4.3 3区 工程技术 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY
Shuaifeng Li , Yu Bin Oh , Seong Jae Choi , Panayotis G. Kevrekidis , Jinkyu Yang
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引用次数: 0

摘要

近年来,拓扑超材料的研究取得了丰硕的成果和广泛的应用。虽然最初的努力集中在通过结构对称原理实现拓扑保护边缘状态,但新兴领域现在渴望定制拓扑状态,定制它们的出现和频率。在这里,我们的研究提出了利用柔性机制在三浦折叠的超材料的面实现拓扑相变。这种方法诱导出两个相反的拓扑相,从而导致界面处的拓扑状态。此外,我们利用miura折叠的超材料独特的折叠行为来调整拓扑状态的频率并动态地切换它们的存在。我们的研究不仅为诱导miura折叠结构的拓扑相变铺平了道路,而且还实现了拓扑状态的按需控制,在波浪操纵和隔振方面具有广阔的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

On-demand manipulation of topological states using Miura-folded metamaterials

On-demand manipulation of topological states using Miura-folded metamaterials
Recent advancements in topological metamaterials have unveiled fruitful physics and numerous applications. Whereas initial efforts focus on achieving topologically protected edge states through principles of structural symmetry, the burgeoning field now aspires to customize topological states, tailoring their emergence and frequency. Here, our study presents the realization of topological phase transitions utilizing compliant mechanisms on the facets of Miura-folded metamaterials. This approach induces two opposite topological phases, leading to topological states at the interface. Moreover, we exploit the unique folding behavior of Miura-folded metamaterials to tune the frequency of topological states and dynamically toggle their presence. Our research not only paves the way for inducing topological phase transitions in Miura-folded structures but also enables the on-demand control of topological states, with promising applications in wave manipulation and vibration isolation.
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来源期刊
Extreme Mechanics Letters
Extreme Mechanics Letters Engineering-Mechanics of Materials
CiteScore
9.20
自引率
4.30%
发文量
179
审稿时长
45 days
期刊介绍: Extreme Mechanics Letters (EML) enables rapid communication of research that highlights the role of mechanics in multi-disciplinary areas across materials science, physics, chemistry, biology, medicine and engineering. Emphasis is on the impact, depth and originality of new concepts, methods and observations at the forefront of applied sciences.
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