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Buckling of Stiffened Antisymmetric Laminated Plates

Sun, Liecheng / Harik, Issam E.

Abstract

The analytical strip method (ASM) is extended in this paper to the buckling analysis of antisymmetric laminated composite plates with bending-extension coupling. A system of three equations of equilibrium governing the buckling response of antisymmetric laminated composite plates is reduced to a single eighth-order partial differential equation, expressed in terms of a displacement function. This equation is then solved analytically to generate the critical value of the in-plane forces ( $N_{x}$ , $N_{y}$ ) for antisymmetric cross-ply and angle-ply laminated and stiffened composite plates. The effects of various parameters, including plate aspect ratio, plate orthotropicity ratio, beam rigidity, and plate bending-extension coupling on the critical values of $N_{x}$ and $N_{y}$ on antisymmetric laminated composite plates are discussed. The results derived using the ASM are presented in tabular and graphical forms and compare very well with ones derived using finite-element analysis.

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Buckling of Stiffened Antisymmetric Laminated Plates

Sun, Liecheng / Harik, Issam E.

Abstract

The analytical strip method (ASM) is extended in this paper to the buckling analysis of antisymmetric laminated composite plates with bending-extension coupling. A system of three equations of equilibrium governing the buckling response of antisymmetric laminated composite plates is reduced to a single eighth-order partial differential equation, expressed in terms of a displacement function. This equation is then solved analytically to generate the critical value of the in-plane forces ( $N_{x}$ , $N_{y}$ ) for antisymmetric cross-ply and angle-ply laminated and stiffened composite plates. The effects of various parameters, including plate aspect ratio, plate orthotropicity ratio, beam rigidity, and plate bending-extension coupling on the critical values of $N_{x}$ and $N_{y}$ on antisymmetric laminated composite plates are discussed. The results derived using the ASM are presented in tabular and graphical forms and compare very well with ones derived using finite-element analysis.

Buckling of Stiffened Antisymmetric Laminated Plates

Sun, Liecheng / Harik, Issam E.

Abstract

The analytical strip method (ASM) is extended in this paper to the buckling analysis of antisymmetric laminated composite plates with bending-extension coupling. A system of three equations of equilibrium governing the buckling response of antisymmetric laminated composite plates is reduced to a single eighth-order partial differential equation, expressed in terms of a displacement function. This equation is then solved analytically to generate the critical value of the in-plane forces ( $N_{x}$ , $N_{y}$ ) for antisymmetric cross-ply and angle-ply laminated and stiffened composite plates. The effects of various parameters, including plate aspect ratio, plate orthotropicity ratio, beam rigidity, and plate bending-extension coupling on the critical values of $N_{x}$ and $N_{y}$ on antisymmetric laminated composite plates are discussed. The results derived using the ASM are presented in tabular and graphical forms and compare very well with ones derived using finite-element analysis.

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Title:

Buckling of Stiffened Antisymmetric Laminated Plates

Contributors:

Sun, Liecheng (author) / Harik, Issam E. (author)

Published in:

Journal of Engineering Mechanics ; 139 ; 1110-1123

Publication date:

2012-05-04

Size:

142013-01-01 pages

ISSN:

0733-9399 , 1943-7889

DOI:

https://doi.org/10.1061/(ASCE)EM.1943-7889.0000467

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

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