The Static and Dynamic Analysis of a Piezoelectric Composite Plate
Date Issued
2006
Date
2006
Author(s)
Chen, Jung-San
DOI
en-US
Abstract
As piezoelectric materials are widely used either as actuators or sensors, there has been a long-standing interest in the analysis of piezoelectric structures, especially for multi-layered structure. However, in most research the geometric configurations considered are symmetric in the thickness direction. There have been relatively few discussions on the vibration analysis of an asymmetric piezoelectric composite plate.
In this thesis a circular glass plate with one of its surfaces bonded by a piezoelectric layer is studied. The classical Kirchhoff plate model is adopted for mechanical deformations, and the electric potential field in the piezoelectric layer is assumed such that the divergence-free requirement of the electrical displacements is satisfied. The accuracy of the analytic model is assessed by comparing the displacements in the direction obtained by the analytic model with those obtained by the finite element method. The model developed can be used as a tool for designing piezoelectric actuators such as micro-pumps.
Subjects
壓電層板
振動
微幫浦
piezoelectric composite plate
vibration
micro-pump
Type
thesis
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