Vibration of a Pyroelectric Sandwich plate

V.K. Nelson*, S. Karthikeyan**
* Department of Mathematics, Government College of Engineering, Salem, India.
** Department of Mathematics, Sona College of Technology, Salem, India.
Periodicity:August - October'2010
DOI : https://doi.org/10.26634/jfet.6.1.1289

Abstract

Harmonic Wave propagation in an infinite pyroelectric sandwich plate (SWP) is analyzed for three dimensional motions.  The sandwich plate is made up of two identical layer of class 6 bonded together by a Linear Elastic Material with Voids (LEMV).  The exact frequency equation for wave propagating at an arbitrary angle of propagation is derived when the surfaces of the plates are traction free and completely coated with electrodes that are shorted and thermally insulated.  Numerical results in the form of data and dispersion curves for the symmetric and asymmetric modes of vibrations of the SWP ceramic-1/Adhesive/ceramic-2 by taking adherent as BaTio3 and the adhesive as an existing Carbon Fibre Reinforced Polymer (CFRP) or as a hypothetical LEMV with and without voids are compared with that of a single layered pyroelectric plate. The damping effect is analyzed through the imaginary parts of the complex frequencies.

Keywords

Wave propagation, pyroelectric, plates, LEMV, CFRP.

How to Cite this Article?

Nelson, V. K and Karthikeyan, S (2010). Vibration Of a Pyroelectric Sandwich Plate. i-manager’s Journal on Future Engineering and Technology, 6(1), 6-13. https://doi.org/10.26634/jfet.6.1.1289

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