BAND GAP PROPERTIES OF PIEZOELECTRIC/VISCOUS LIQUID PHONONIC CRYSTALS

被引：0
|
作者：
Wang, Yi-Ze [1 ,2 ]
Inaba, Kazuaki [2 ]
Li, Feng-Ming [1 ]
Kishimoto, Kikuo [2 ]
机构：
[1] Harbin Inst Technol, Sch Astronaut, POB 137, Harbin 150001, Peoples R China
[2] Tokyo Inst Technol, Dept Mech Sci & Engn, Meguro Ku, Tokyo 1528552, Japan
来源：
PROCEEDINGS OF THE ASME PACIFIC RIM TECHNICAL CONFERENCE AND EXHIBITION ON PACKAGING AND INTEGRATION OF ELECTRONIC AND PHOTONIC SYSTEMS, MEMS AND NEMS 2011, VOL 1 | 2012年
基金：
日本学术振兴会; 中国国家自然科学基金;
关键词：
VISCOUS-LIQUID; WAVE-PROPAGATION; SOLID CYLINDERS; ACOUSTIC-WAVES; DISSIPATION;
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：
The viscous effects on the band gap characteristics of the piezoelectric/viscous liquid phononic crystals are studied. The expressions of the generalized eigenvalue equation for the cylindrical phononic crystals are derived. Numerical calculations are performed to discuss the band gap characteristics with different filling ratios and viscous damping parameters. Form the results, it can be observed that the out-of-plane mode will appear, which caused by the viscous effects. Both of the real and imaginary parts of frequencies will increase with the filling fraction becoming larger. The maximum of the normalized band gap width is achieved by f = 0.5. Furthermore, the band gap edges become higher with the viscous damping parameter increasing, especially for higher band gaps.
引用
收藏
页码：175 / +
页数：2
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