THICKNESS-SHEAR AND THICKNESS-TWIST VIBRATIONS OF CENTRALLY PARTIALLY ELECTRODED CIRCULAR AT-CUT QUARTZ PLATE

被引：0
|
作者：
Zhao, Xin-tao [1 ]
Qian, Zheng-hua [1 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Aerosp Engn, State Key Lab Mech & Control Mech Struct, Nanjing 210016, Peoples R China
来源：
2014 SYMPOSIUM ON PIEZOELECTRICITY, ACOUSTIC WAVES, AND DEVICE APPLICATIONS (SPAWDA) | 2014年
关键词：
Thickness-shear; Thickness-twist; Circular; Quartz plate;
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
This paper analyses free vibration frequencies and modes for thickness-shear and thickness-twist vibrations of centrally partially electroded circular AT-cut quartz plate. The elliptical coordinate is introduced for both unelectroded and electrode part. Exact solutions of Mathieu equations which aretransferred from the two-dimensional scalar differential equation derived by Tiersten and Smythe are obtained. Trapped modes are found whose vibrations are confined mainly under the circular electrodes.
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页码：310 / 313
页数：4
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