Biaxial Buckling Analysis of Symmetric Functionally Graded Metal Cored Plates Resting on Elastic Foundation under Various Edge Conditions Using Galerkin Method

Journal of Solid Mechanics

مقاله 11، دوره 9، شماره 4، اسفند 2017، صفحه 821-831   

نوع مقاله: Research Paper

نویسندگان

M Rezaei¹؛ S Ziaee^{* 1}؛ S Shoja²

¹Department of Mechanical Engineering, School of Engineering, Yasouj University, Yasouj, Iran

²Department of Civil Engineering, School of Engineering, Yasouj University, Yasouj, Iran

چکیده

In this paper, buckling behavior of symmetric functionally graded plates resting on elastic foundation is investigated and their critical buckling load in different conditions is calculated and compared. Plate governing equations are derived using the principle of minimum potential energy. Afterwards, displacement field is solved using Galerkin method and the proposed process is examined through numerical examples. Effect of FGM power law index, plate aspect ratio, elastic foundation stiffness and metal core thickness on critical buckling load is investigated. The accuracy of this approach is verified by comparing its results to those obtained in another work, which is performed using Fourier series expansion.  

کلیدواژه‌ها

Functionally graded material؛ Plate؛ Buckling analysis؛ Galerkin Method؛ Elastic foundation

مراجع

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