Axisymmetric Buckling Analysis of Porous Truncated Conical Shell Subjected to Axial Load

Subject Areas : Engineering

M Zarghami Dehaghani ¹ , M Jabbari ²

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

Received: 2017-03-02 Accepted : 2017-04-25 Published : 2017-06-30

Keywords: Axisymmetric, Axial load, Buckling analysis, Conical shell, Porous material,

Abstract :

This paper studied Buckling analysis of porous truncated conical shell subjected to axial load. It is considered that a fluid undrained between porous material and the Porous material properties vary across the thickness of shell with a specific function also assumed that the edge of the shell is simply supported. The governing equations are based on the Sanders kinematics equations and the first-order shell theory and by using of variational formulations. The general mechanical non-linear equilibrium and linear stability equations are derived. At the end, the result of dimensionless buckling critical load ratio dimensionless thickness in different condition such as variation in thickness, porosity and angle of conical shell is investigated. The mechanical load results are verified by the known results in the literature.

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