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Thermal Buckling Analysis of Circular FGP with Actuator/Actuator Piezoelectric Layers Based on Neutral Plane Method

Published online by Cambridge University Press:  16 October 2012

M. M. Najafizadeh ,
M. Malmorad ,
A. Sharifi  and
A. Joodaky
M. M. Najafizadeh*
Affiliation:
Department of Mechanical Engineering, Islamic Azad University, Arak Branch Arak, I.R. Iran
M. Malmorad
Affiliation:
Department of Mechanical Engineering, Islamic Azad University, Harsin Branch Harsin, I.R. Iran
A. Sharifi
Affiliation:
Department of Mechanical Engineering, Islamic Azad University, Arak Branch, Arak, I.R. Iran
A. Joodaky
Affiliation:
Young Researchers Club, Islamic Azad University, Arak Branch, Arak, I.R. Iran
*
*Corresponding author (m-najafizadeh@iau-arak.ac.ir)
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Abstract

In this research, thermal buckling analysis of circular functionally graded plates with Actuator/Actuator piezoelectric layers (FGPs) is studied based on neutral plane, classical and first order shear deformation plate theories. Mechanical properties of the plate are considered as those of Reddy Model. Plate is assumed to be under thermal loading. Nonlinear temperature rises through the thickness and boundary conditions are considered clamped. Equilibrium and stability equations have been derived using calculus of variations and application of Euler equations. Finally, critical buckling temperature changes are studied based on the mentioned theories for a sample plate. An appropriate agreement is seen among the present results and the results of other researches.

Keywords

Thermal bucklingPiezoelectric layersCircular plateFGM
Type
Articles
Information
Journal of Mechanics , Volume 29 , Issue 1 , March 2013 , pp. 157 - 167
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2012

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References

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