面外せん断変形を考慮した複合材料積層板のせん断座屈解析

概要

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The shear buckling analysis on laminated composite plates considering the out-plane shear deformation is presented using the pb-2 Ritz functions which consist of the product of a basic function and a two dimensional polynomial function. It is shown that the convergence of solutions for the buckling load of laminated composite plates is good as the number of polynomials is more than 30. Numerical results under shear load are obtained for cross-ply and angle-ply laminated composite plates, and the difference between the buckling factors in positive and negative shear load are discussed. The effects of material properties, plate aspect ratio, number of layers and lamination angle on buckling factors are investigated under simple supported and clamped edges. It is shown that the presented method considering the out of plane shear deformation can be widely used to analyze buckling behavior of composite plates with general boundary conditions.
一般社団法人日本機械学会の論文
1998-02-25