A NEW MATHEMATICAL PROCEDURE FOR LINEAR BUCKLING OF GRID STIFFENED CYLINDRICAL SHELLS USING DIFFERENTIAL QUADRATURE METHOD

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FADAEE M.; KALANTARI S.

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Paper Information

Journal: Journal of Aerospace Mechanics Year:2016 | Volume:12 | Issue:2 (44) (STRUCTURES AND MATHERIALS MECHANICAL BEHAVIOR) Page(s): 65-78

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Title

A NEW MATHEMATICAL PROCEDURE FOR LINEAR BUCKLING OF GRID STIFFENED CYLINDRICAL SHELLS USING DIFFERENTIAL QUADRATURE METHOD

Author(s)

FADAEE M. | KALANTARI S. | Issue Writer Certificate

Keywords

LINEAR BUCKLINGQ1

THE THIN SHELL THEORY OF FLUGGEQ1

WAFFLE CYLINDRICAL SHELLQ1

DIFFERENTIAL QUADRATURE METHODQ2

Abstract

In this article, according to THE THIN SHELL THEORY OF FLUGGE as well as using a new mathematical procedure, the LINEAR BUCKLING of WAFFLE CYLINDRICAL SHELL under axial load is investigated. Skin and grids are composed of the same isotropic material and the classical boundary conditions of clamped and simply supported are considered. Firstly, using a new mathematical modeling, the structural stiffness matrix of skin and grids is obtained. Then, the equilibrium equations of the shell are derived based on the new stiffness matrix. Finally, these equations are solved using DIFFERENTIAL QUADRATURE METHOD. The results are compared by the finite element analyses. Comparative results reveal that the present procedure is very stable and accurate. Also, the effects of various geometrical parameters on the LINEAR BUCKLING loads are presented.

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APA: Copy

FADAEE, M., & KALANTARI, S.. (2016). A NEW MATHEMATICAL PROCEDURE FOR LINEAR BUCKLING OF GRID STIFFENED CYLINDRICAL SHELLS USING DIFFERENTIAL QUADRATURE METHOD. AEROSPACE MECHANICS JOURNAL, 12(2 (44) (STRUCTURES AND MATHERIALS MECHANICAL BEHAVIOR)), 65-78. SID. https://sid.ir/paper/101871/en

Vancouver: Copy

FADAEE M., KALANTARI S.. A NEW MATHEMATICAL PROCEDURE FOR LINEAR BUCKLING OF GRID STIFFENED CYLINDRICAL SHELLS USING DIFFERENTIAL QUADRATURE METHOD. AEROSPACE MECHANICS JOURNAL[Internet]. 2016;12(2 (44) (STRUCTURES AND MATHERIALS MECHANICAL BEHAVIOR)):65-78. Available from: https://sid.ir/paper/101871/en

IEEE: Copy

M. FADAEE, and S. KALANTARI, “A NEW MATHEMATICAL PROCEDURE FOR LINEAR BUCKLING OF GRID STIFFENED CYLINDRICAL SHELLS USING DIFFERENTIAL QUADRATURE METHOD,” AEROSPACE MECHANICS JOURNAL, vol. 12, no. 2 (44) (STRUCTURES AND MATHERIALS MECHANICAL BEHAVIOR), pp. 65–78, 2016, [Online]. Available: https://sid.ir/paper/101871/en

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