156 二軸圧縮負荷を受ける複合材料積層曲面板の二次座屈強度(板・シェルの座屈,OS-13 板・シェル構造の振動・座屈と設計,総合テーマ「伝統を,未来へ!」)

概要

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Advanced fiber-reinforced laminated composite materials have been used as structural members in various fields because of their high strength and high stiffness-to-weight ratios, and hence analysis of thin laminated structures is important. In this paper, secondary buckling strength of composite laminated curved plates under biaxial compressive loads which are simply supported along four edges is determined, using the second variation of total potential energy. The necessity of secondary buckling is proven analytically, and the effects of various factors, such as shape parameter, lamination constitution, and biaxial compressive loads, are clarified.
一般社団法人日本機械学会の論文
2010-09-14