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http://dx.doi.org/10.5050/KSNVN.2005.15.12.1416

Vibration Characteristics Analysis of a Piezoelectric Disc or Torsional Transducers  

Lee, Jung-Hyun (숭실대학교 대학원 기계공학과)
Kim, Jin-Oh (숭실대학교 공과대학 기계공학과)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.15, no.12, 2005 , pp. 1416-1421 More about this Journal
Abstract
This paper presents an analytical approach for the vibration characteristics of a piezoelectric disc for torsional vibration transducers. The characteristic equation of the piezoelectric annular disc has been derived from Gibbs' free energy equations and mechanical and electrical equilibrium. With an anisotropic material properties of the disc, the characteristic equation has yielded resonance frequencies. Numerically-calculated results have been compared with the results obtained by the finite element analysis and experiments and have confirmed the validity of the theoretical analysis.
Keywords
Piezoelectricity; Transducer; Torsional Vibration; Natural Frequency; Characteristics Equation; Impedance;
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