Please use this identifier to cite or link to this item: https://doi.org/1/311
Title: Flexural vibration analysis of sandwich beam coupled with piezoelectric actuator
Authors: Wang, Q. 
Quek, S.T. 
Issue Date: Feb-2000
Source: Wang, Q.,Quek, S.T. (2000-02). Flexural vibration analysis of sandwich beam coupled with piezoelectric actuator. Smart Materials and Structures 9 (1) : 103-109. ScholarBank@NUS Repository. https://doi.org/1/311
Abstract: This paper provides a basic mechanics model for the flexural analysis of a sandwich beam coupled with a piezoelectric layer. The Euler beam model for a long and thin beam structure is employed, together with the electric potential satisfying the surface free charge condition for free vibration analysis. The distribution of the piezoelectric potential is obtained by including the Maxwell equation in the formulation. Based on the results of vibration analysis, it is shown that the dynamic characteristic of the entire structure is related to the position of the piezoelectric layer. More importantly, the mode shape distribution of the electric potential in the piezoelectric layer in the longitudinal direction is related to the transverse displacement, or more accurately the curvature, of the sandwich beam, and the latter is dependent on the boundary conditions. Hence, the commonly adopted assumption of uniform electric potential in the longitudinal direction needs to be carefully re-examined. The distribution of electric potential obtained serves as a guide for selecting the trial function for the mode shapes of the electric potential required in numerical methods, such as FE modelling, for coupled piezoelectric structures.
Source Title: Smart Materials and Structures
URI: http://scholarbank.nus.edu.sg/handle/10635/65620
ISSN: 09641726
DOI: 1/311
Appears in Collections:Staff Publications

Show full item record
Files in This Item:
There are no files associated with this item.

Page view(s)

36
checked on Jan 11, 2018

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.