水平曲げ・捩れ荷重を受ける薄肉変断面梁の捩り強度解析法の実用化に関する研究(第一報) : 撒積貨物船の場合

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The paper is a part of the study program, which is built the analytical method and its practical application of the new longitudinal total strength of a hull girder taking in the effects of warping in vertical and horizontal bending and in torsion on wave. Until now, one of the authors studied on the analytical method (ref.1, 2) and its practical application (ref.3 ie VB-Warps) of the new longitudinal strength of the thin-walled non-uniform section beam taking into consideration of warping in vertical bending. Also, he studied the practical application (ref.4 ie HB-Warps) of that in case of horizontal bending with new ideas using the same method. In this paper, we studied the practical application (TR-Warps) of the torsional strength theory to bulk carrier considering the effects of warping in horizontal bending and torsion for the first stage to accomplish our purpose. First of all, to develop the new system, we applied the conception of VB-Warps and HB-warps to TR-Warps. And we found the regulation of the arrangement in the coefficient Matrix using when the calculation of shear flow coefficient. We analyzed the non-uniform section beam model as a Bulk carrier which has cross-section of B/C type, Closed Deck type, Multiple Deck type and comfirm that the system works well. Then, we analyzed the uniform section beam model of B/C type for considering this system as well.
社団法人日本船舶海洋工学会の論文
2004-08-31