Title :
On the inaccuracy of using mindlin´s first- order plate theory for calculating the motional capacitance of a thickness-shear resonator
Author :
Hu, Hongping ; Hu, Yuantai ; Yang, Jiashi
Author_Institution :
Sch. of Civil Eng. & Mech., Huazhong Univ. of Sci. & Technol., Wuhan
fDate :
1/1/2009 12:00:00 AM
Abstract :
We show that when using Mindlin´s first-order theory of piezoelectric plates to analyze a thickness-shear mode resonator, while the frequency can be predicted accurately, the charge, the current, and hence the motional capacitance have significant inaccuracy.
Keywords :
crystal resonators; plates (structures); Mindlin first-order plate theory; SiO2; motional capacitance; piezoelectric plates; quartz thickness-shear mode resonator; Capacitance; Coupled mode analysis; Cutoff frequency; Damping; Electrodes; Equations; Motion analysis; Resonance; Resonant frequency; Vibrations;
Journal_Title :
Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on
DOI :
10.1109/TUFFC.2009.998
