Design of double negativity elastic metamaterial

Y. C. Su; C. T. Sun

doi:10.1080/19475411.2015.1029604

Design of double negativity elastic metamaterial

Y. C. Su
, C. T. Sun

土木工程學系

研究成果: Article › 同行評審

16 引文斯高帕斯（Scopus）

摘要

A metamaterial model that possesses simultaneously negative effective mass density and negative effective Youngs modulus is proposed in this study. Dispersion curves and dynamic responses of the model are investigated. In the double negative frequency region, it is demonstrated that the phase velocity is negative. In addition, it was found that the band gap region of the metamaterial can be predicted accurately by taking parts of single-unit cell to analyze the steady-state response. The design is also fabricated by a 3D printer.

原文	English
頁（從 - 到）	61-72
頁數	12
期刊	International Journal of Smart and Nano Materials
卷	6
發行號	1
DOIs	https://doi.org/10.1080/19475411.2015.1029604
出版狀態	Published - 2015 1月 2

All Science Journal Classification (ASJC) codes

土木與結構工程
一般材料科學
材料力學

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10.1080/19475411.2015.1029604

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abstract = "A metamaterial model that possesses simultaneously negative effective mass density and negative effective Youngs modulus is proposed in this study. Dispersion curves and dynamic responses of the model are investigated. In the double negative frequency region, it is demonstrated that the phase velocity is negative. In addition, it was found that the band gap region of the metamaterial can be predicted accurately by taking parts of single-unit cell to analyze the steady-state response. The design is also fabricated by a 3D printer.",

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note = "Funding Information: This work was supported by AFOSR [grant number \#FA9550-10-1-0061]. Publisher Copyright: {\textcopyright} 2015 {\textcopyright} 2015 The Author(s). Published by Taylor \& Francis.",

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AB - A metamaterial model that possesses simultaneously negative effective mass density and negative effective Youngs modulus is proposed in this study. Dispersion curves and dynamic responses of the model are investigated. In the double negative frequency region, it is demonstrated that the phase velocity is negative. In addition, it was found that the band gap region of the metamaterial can be predicted accurately by taking parts of single-unit cell to analyze the steady-state response. The design is also fabricated by a 3D printer.

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Design of double negativity elastic metamaterial

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