Analytical Solution for Buckling of FGM Plates with Integrated Piezoelectric Layers under Open and Closed Circuit Conditions

علوم کاربردی و محاسباتی در مکانیک

Article 2, Volume 26, Issue 2 - Serial Number 12, September 2015, Pages 15-31   

Document Type: Original Article

DOI: 10.22067/fum-mech.v26i2.28377

Authors

Ali Ghasemabadian¹; Ali Reza Saidi^{* 2}

¹Ferdowsi University of Mashhad

²Bahonar Kerman

Abstract

In the present paper, based on the classical plate theory, buckling analysis of piezoelectric coupled FGM rectangular plates is investigated. By assuming the transverse distribution of electric potential to be a combination of a parabolic and a linear function of thickness, the equiblirium equations for buckling analysis of plate with surface bonded piezoelectric layers are established. The Maxwell’s equation and all boundary conditions including the conditions on the top and bottom surfaces of the plate for closed and open circuited and Levy type of boundary conditions are satisfied. Numerical results show that, the critical buckling load for open circuit is more than that of closed circuit. Furthermore, the critical buckling loads increase by increasing the thickness of piezoelectric layers.

Keywords

Buckling, piezoelectric; rectangular plate; open circuit; closed circuit; functionally graded material

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