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Title: Analysis of piezoelectric coupled circular plate
Authors: Wang, Q. 
Quek, S.T. 
Sun, C.T.
Liu, X.
Issue Date: Apr-2001
Citation: Wang, Q., Quek, S.T., Sun, C.T., Liu, X. (2001-04). Analysis of piezoelectric coupled circular plate. Smart Materials and Structures 10 (2) : 229-239. ScholarBank@NUS Repository.
Abstract: This paper deals with the vibration analysis of a circular plate surface bonded by two piezoelectric layers, based on the Kirchhoff plate model. The form of the electric potential field in the piezoelectric layer is assumed such that the Maxwell static electricity equation is satisfied. The validation of the theoretical model is done by comparing the resonant frequencies of the piezoelectric coupled circular plate obtained by the theoretical model and those obtained by finite-element analysis. The mode shape of the electric potential obtained from free vibration analysis is generally shown to be non-uniform in the radial direction in contrast to what is commonly assumed. The piezoelectric layer is shown to have an effect on the frequencies of the host structure. The proposed model for the analysis of a coupled piezoelectric circular plate provides a means to obtain the distribution of electric potential in the piezoelectric layer. The model provides design reference for piezoelectric material application, such as an ultrasonic motor.
Source Title: Smart Materials and Structures
ISSN: 09641726
DOI: 10.1088/0964-1726/10/2/308
Appears in Collections:Staff Publications

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