縦横に防撓材を有する矩形薄板の強さ及固有振動数(其の二)

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概要

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• In our last paper, we treated the case in which the rectangular plate was supported or fixed at its boundary. Here we try to solve the question where the four edges of the plate are elastically clamped so that the plate is deformed to an intermediate form between those of supported edges and fixed edges, and it seems, it may give further practical formul〓 embodying the case much nearer to the actual condition of the structure. The general idea of the treatment is to assume the deformed surface of the plate may be represented as a superposition of two terms corresponding to those in the case of edges supported and edges fixed. The respective coefficient c_1 and c_2 of these two terms are taken so as to satisfy the condition c_1+c_2=1, so that the case "fixed edges" will be represented when c_1=0,and that of "supported edges" when c_2=0. A simple method of obtaining the approximate values of c_1 and c_2 as above stated is considered in case of the rectangular plate with peripherical beams, and also with additional plates or stiffeners which are further conjoined to the above beams. By expanding the above treatment, it was tried to obtain the practical formul〓 giving the amount of deflection of plates in question under uniform lateral pressure ; buckling load and also the lowest frequency of natural vibration of the plates. Those formul〓 suggested in our last paper are, in fact, special cases of these now obtained in this transaction.

• 社団法人日本船舶海洋工学会の論文
• 1937-02-20

著者

• 奥田 克己

  三菱重工業株式会社長崎造船所実験場

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