Abstract
Tangentially polarized thin-walled striped-electroded piezoelectric cylindrical transducers are used in several electromechanical and electroacoustic applications. This study is an extension of the previous work [J. Acoust. Soc. Am. 133, 2661 (2013); J. Acoust. Soc. Am. 132, 3068 (2012)] and involves the study of electromechanical excitation of multi-modes of vibration using tangentially polarized cylinders. A numerical finite difference method (FDM) was used to analysis the nonuniform electric field in the tangentially polarized cylinder under the assumption that the piezoelectric element is fully polarized. The electromechanical properties including the effective electromechanical coupling coefficient, effective piezoelectric modulus, the effective compliance, and effective relative dielectric constant were calculated for a tangentially polarized cylinder for several modes of vibration and compared with results of cylinders using traditional transverse piezoelectric effect.
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