A metamaterial structure capable of wave attenuation and concurrent energy harvesting

Jung San Chen, Wei Jiun Su, Yi Cheng, Wei Chang Li, Cheng Yen Lin

研究成果: Article

摘要

In this study, the capability of wave attenuation as well as energy harvesting in a metamaterial beam with built-in resonators is presented. Each resonator consists of a pretensioned elastic membrane and split-ring masses. The flexural wave band characteristics, eigenmodes, and frequency response are predicted by finite element method. Experiments are conducted to verify the finite element results. The results show that, with proper resonators, vibration caused by disturbances can be conspicuously attenuated at certain frequencies. The attenuation region can be manipulated by adjusting the properties of the membrane-split-ring system. Besides, by adding piezoelectric patches to the membrane, the stored energy in the local resonator can be converted into electric power. The generated voltage output reaches a maximum at the frequency where wave is greatly attenuated. Finally, it is shown that double-layer resonators with parallel connection can generate twice as much voltage as the single-layer resonator.

原文English
頁(從 - 到)2973-2981
頁數9
期刊Journal of Intelligent Material Systems and Structures
30
發行號20
DOIs
出版狀態Published - 2019 十二月 1

指紋

Energy harvesting
Metamaterials
Resonators
Membranes
Elastic waves
Electric potential
Frequency response
Finite element method
Experiments

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanical Engineering

引用此文

Chen, Jung San ; Su, Wei Jiun ; Cheng, Yi ; Li, Wei Chang ; Lin, Cheng Yen. / A metamaterial structure capable of wave attenuation and concurrent energy harvesting. 於: Journal of Intelligent Material Systems and Structures. 2019 ; 卷 30, 編號 20. 頁 2973-2981.
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A metamaterial structure capable of wave attenuation and concurrent energy harvesting. / Chen, Jung San; Su, Wei Jiun; Cheng, Yi; Li, Wei Chang; Lin, Cheng Yen.

於: Journal of Intelligent Material Systems and Structures, 卷 30, 編號 20, 01.12.2019, p. 2973-2981.

研究成果: Article

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