Volume 13, Issue 10 (1-2014)                   Modares Mechanical Engineering 2014, 13(10): 51-61 | Back to browse issues page

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Yazdani M. Analysis of effective parameters on the buckling of grid stiffened composite shells based on first order shear deformation theory. Modares Mechanical Engineering. 2014; 13 (10) :51-61
URL: http://mme.modares.ac.ir/article-15-5674-en.html
1- Assistant Professor of Applied Mechanics (Solid)
Abstract:   (4686 Views)
Grid stiffened composite shells are one of the most important structures in aerospace industries. In this study critical buckling load of these structures with diamond shape stiffeners under axial loading based on smeared method is presented. The effect of shell thickness, angle of fibers in shell and the direction of stiffeners into the buckling load is determined. First-order shear deformation theory based upon the Ritz method is used to calculation of critical buckling load of these structures. In the use of FSDT theory, transverse shear forces in stiffeners have been considered. The results are compared with FEM solution with clamped boundary condition.
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Article Type: Research Article | Subject: Stress Analysis|Finite Elements Method|Aerospace Structures|Composites
Received: 2013/03/5 | Accepted: 2013/05/11 | Published: 2013/12/22

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