用于彩虹反射、捕获和模式转换的梯度弹性元波导

IF 1.5 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

EPJ Applied Metamaterials Pub Date : 2022-01-01 DOI:10.1051/epjam/2022004

J. D. De Ponti, L. Iorio, R. Ardito

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引用次数: 3

摘要

弹性波的精确控制是机械振动、超声波检测和能量收集领域许多应用的挑战。弹性衬底上的梯度阵列谐振器在宽带波捕获和模式转换方面表现出优异的性能。在这项研究中，我们提出了弹性波导，可以利用彩虹反射、捕获和模式转换来控制不同尺度的波。我们研究这些机制，以及相关的控制，是否可以用于能量收集或信号转换装置。

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Graded elastic meta-waveguides for rainbow reflection, trapping and mode conversion

Precise control of elastic waves is a challenge for many applications in the field of mechanical vibrations, ultrasonic inspection, and energy harvesting. Graded arrays of resonators on elastic substrates recently revealed superior performances for broadband wave trapping and mode conversion. In this study we present elastic waveguides able to govern waves at different scales exploiting rainbow reflection, trapping and mode conversion. We investigate whether these mechanisms, and the associated control, can be used for energy harvesting or signal conversion devices.

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来源期刊

EPJ Applied Metamaterials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

3.10

自引率

6.20%

发文量

审稿时长

8 weeks