802 二軸圧縮負荷を受けるクロスプライ積層矩形板の二次座屈解析(OS9-(1)オーガナイズドセッション《複合材料の変形と破壊およびマルチスケール計算技術》)

概要

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Advanced fiber-reinforced laminated plates have been used as structures in various fields because of their high specific strength and stiffness. Postbuckling behaviors of thin laminated plates uniaxial compression have been discussed by many researchers. However, little research has been performed on the secondary buckling phenomenon for thin laminated plates which occurs with further increase of load. In this paper, postbuckling behavior of cross-ply laminated rectangular plates, which are simply supported along four edges, under biaxial compression. The inevitability of postbuckling is proved analytically, and the effects of various factors, such as the biaxial compressive load ratio, aspect ratio, and the outer lamination angle, are clarified.
一般社団法人日本機械学会の論文
2010-08-27