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The nonlinear analysis of elastic wave of piezoelectric crystal plate with perturbation method
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Fan, Yanping, Ji, Xiaojun, Liu, Xianping and Cai, Ping (2014) The nonlinear analysis of elastic wave of piezoelectric crystal plate with perturbation method. Wave Motion , 51 (5). pp. 798-803. doi:10.1016/j.wavemoti.2014.01.009 ISSN 0165-2125.
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Official URL: http://dx.doi.org/10.1016/j.wavemoti.2014.01.009
Abstract
When investigating or designing acoustic wave sensors, the behavior of piezoelectric devices is supposed to be linear. However, if the sensors are subjected to a strong elastic field, the amplitude of the elastic strain induced in the piezoelectric material is so large that the nonlinearity, which affects the stability and performance of the piezoelectric sensors, can no longer be ignored. In this paper, we perform a theoretical analysis on nonlinear anti-symmetric thickness vibration of thin-film acoustic wave resonators made from quartz. Using Green’s identity, under the usual approximation of neglecting higher time harmonics, a perturbation analysis is performed from which the resonator frequency–amplitude (A–F) relation is obtained. Numerical calculations are made. Furthermore, the validity of the method is examined.
Item Type: | Journal Article | ||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||
Journal or Publication Title: | Wave Motion | ||||||
Publisher: | Elsevier BV | ||||||
ISSN: | 0165-2125 | ||||||
Official Date: | July 2014 | ||||||
Dates: |
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Volume: | 51 | ||||||
Number: | 5 | ||||||
Page Range: | pp. 798-803 | ||||||
DOI: | 10.1016/j.wavemoti.2014.01.009 | ||||||
Status: | Peer Reviewed | ||||||
Publication Status: | Published | ||||||
Access rights to Published version: | Restricted or Subscription Access |
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