二维真空/固体声子晶体带隙的亥姆霍兹谐振器研究

2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA) Pub Date : 2011-12-01 DOI:10.1109/SPAWDA.2011.6167254

J. Ke, Yan-Feng Wang, Yue-Sheng Wang

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引用次数: 3

摘要

本文提出了一种由二维亥姆霍兹谐振腔组成的真空/固体声子晶体，称为亥姆霍兹谐振声子晶体。采用有限元方法对其带隙和振型进行了研究。采用Comsol Multiphysics 3.5a软件进行数值计算。结果表明，亥姆霍兹谐振声子晶体存在完全的谐振带隙，混合模式下则存在较小的全带隙。结果与声带隙的优化有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Study on the bandgaps of two-dimensional vacuum/solid phononic crystals with Helmholtz resonators

In this paper, we present a type of vacuum/solid phononic crystal composed of two-dimensional Helmholtz resonators, which is called Helmholtz resonant phononic crystals. By using the finite element method, bandgaps and vibration modes are studied. The numerical computation is performed by Comsol Multiphysics 3.5a. The results show that complete resonant bandgaps exist for the Helmholtz resonant phononic crystals, and also a lower full bandgap appears for the mixed mode. The results are related to optimization of the acoustic bandgaps.

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来源期刊

2011 Symposium on Piezoelectricity, Acoustic Waves and Device Applications (SPAWDA)

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