薄肉円筒殼の座屈に関する一考察 : 曲げ及び偏心圧縮力を受ける場合

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This paper is concerned with the stability of a simpl supported cylindrical shells under axial moment and under eccentrically compression. This problem may be solved by the following total potential energy method : In the discussion of earlier paper (T.A.I.J. No.105, 112) it was set [numerical formula], where y and ⊿II are given measure of additional displacement and additional total potential energy, II is the sum of the potential energy of deformation and the potential energy corresponding to the work done by the load. Then by using Eq. (11) or (20), we obtain for calculating critical stresses under axial moment or under eccentrically compression the following Eq. (13) or (22). If the ratio h/r is given, i.e., if k is knoun, we can, by using expression (16) and choosing a value for m representing the number of lobes of the buckled shell, obtain a curve representing the relation between λ and φ. Several curves of this kind are shown in Fig. 4.
社団法人日本建築学会の論文
1965-11-30