Magnetic Stability of Functionally Graded Soft Ferromagnetic Porous Rectangular Plate

Subject Areas : Engineering

M Jabbari ¹ , M Haghi Choobar ² , A Mojahedin ³ , E Farzaneh Joubaneh ⁴

1 - Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University
2 - Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University
3 - Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University
4 - Department of Mechanical Engineering, South Tehran Branch, Islamic Azad University

Received: 2015-07-21 Accepted : 2015-09-24 Published : 2015-12-30

Keywords: magnetic field, Rectangular plate, Buckling analysis, Porous material, Functionally graded plate,

Abstract :

This study presents critical buckling of functionally graded soft ferromagnetic porous (FGFP) rectangular plates, under magnetic field with simply supported boundary condition. Equilibrium and stability equations of a porous rectangular plate in transverse magnetic field are derived. The geometrical nonlinearities are considered in the Love-Kirchhoff hypothesis sense. The formulations are compared to those of homogeneous isotropic plates were given in the literature. In this paper the effect of pore pressure on critical magnetic field of plate and the effect of important parameters of poroelastic material on buckling capacity are investigated. Also the compressibility of fluid and porosity on the buckling strength are studied.

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