Intuitive understandings of negative bulk modulus of metamaterials composed of Helmholtz resonators,Current Applied Physics

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Intuitive understandings of negative bulk modulus of metamaterials composed of Helmholtz resonators
Current Applied Physics ( IF 2.4 ) Pub Date : 2021-07-06 , DOI: 10.1016/j.cap.2021.07.004
Jong Yun Jeon ₁ , Seok Hyeon Hong ₁ , Eui Young Choi ₁ , Eun Bok ₂ , Seung Ho Choi ₃ , Ji Won Seo ₁

Affiliation

We present theoretical and experimental results to obtain an intuitive understanding of bulk modulus of metamaterials composed of Helmholtz resonators (HR). Using transmission line theory, we introduce an intuitive method to determine the frequency domain in which the negative bulk modulus appears. The results obtained by simulations and experiments are consistent with theoretical results found using transmission line theory. The results suggest that wider negative (BNG) areas of bulk modulus can be obtained using two HRs than one HR of the same total cavity volume.

中文翻译：

由亥姆霍兹谐振器组成的超材料负体积模量的直观理解

我们提出了理论和实验结果，以获得对由亥姆霍兹谐振器 (HR) 组成的超材料的体积模量的直观理解。使用传输线理论，我们引入了一种直观的方法来确定出现负体积模量的频域。通过模拟和实验获得的结果与使用传输线理论发现的理论结果一致。结果表明，使用两个 HR 可以获得比相同总腔体积的一个 HR 更宽的体积模量负 (BNG) 区域。

更新日期：2021-07-09

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