Thermal Buckling Analysis of Circular FGM Plate with Actuator/Actuator Piezoelectric Layer Based on Neutral Plane

Subject Areas : Journal of Simulation and Analysis of Novel Technologies in Mechanical Engineering

محمد مهدی نجفی زاده ¹ , محسن مالمراد ² , آرش شریفی ³

1 - دانشیار، دانشکده مهندسی مکانیک، دانشگاه آزاد اسلامی واحد اراک
2 - کارشناس ارشد مهندسی مکانیک، اداره کل استاندارد و تحقیقات صنعتی استان کرمانشاه
3 - کارشناس ارشد مهندسی مکانیک، شرکت نفت کرمانشاه

Received: 2015-10-03 Accepted : 2015-10-03 Published : 2009-06-22

Keywords: Circular plate, FGM, : Thermal buckling, Piezoelectric layers,

Abstract :

In this paper, the thermal buckling analysis of a circular plate made of FGM materials with actuator/actuator piezoelectric layers based on neutral plane, classical plate theory and first order shear deformation plate theory is investigated. Reddy's model is assumed for material properties of FGM plate. Plate under the thermal loading, nonlinear temperature rise through the thickness and clamped edges is considered. Equilibrium and stability equations are drived using the calculus of variations and applying Euler equations. The obtained results are compared with the numerical values of the critical buckling temperature based on the theories mentioned above, and good agreement is observed between them.

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