In this article, the large deflections of a thin cantilever beam under an end moment is considered. The material behavior of the beam is assumed to be nonlinear bimodulus. The aim of this study is to investigate the effect of bimodulus behavior on the horizontal and vertical deflections at the free end. The numerical results obtained are tabulated. It is shown that the bimodulus behavior has a significant effect on the large deflections.
In this parametric study, the buckling analysis of symmetrically laminated rectangular thin plates subjected to biaxial compression is presented. The simply supported boundary condition is considered at the edges of the symmetrically laminated quasi-isotropic, crossply and angle-ply plates. The Rayleigh-Ritz Method is used to specify the critical buckling load of the plates based on the Classical Laminated Plate Theory (CLPT). A convergence study is achieved by increasing the number of parameters of assumed shape function. Validation of isotropic case is verified. The effects of the lamination types, plate aspect ratios (a/b, b/a) and thickness on the critical buckling load of the laminated plates under bi-axial compression were then investigated. The results were compared with Finite Element Method (FEM) solutions performed by ANSYS software package and fairly good agreement is obtained. Non-dimensional results were tabulated and presented for practical use for designers.
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