STUDY ON THE BANDGAPS OF TWO-DIMENSIONAL VACUUM/SOLID PHONONIC CRYSTALS WITH HELMHOLTZ RESONATORS

被引：0
|
作者：
Ke, Jiao [1 ]
Wang, Yan-feng [1 ]
Wang, Yue-sheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Engn Mech, Beijing 100044, Peoples R China
来源：
2011 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES AND DEVICE APPLICATIONS (SPAWDA) | 2011年
关键词：
Helmholtz resonant phononic crystals; finite element method; bandgap; vibration mode;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
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.
引用
收藏
页码：321 / 323
页数：3
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