水平曲げにおける横断面の反りを考慮した船体縦強度理論の実用化に関する研究(第三報)

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The authors continued to study on practical application (HB-Warps), and finished it for the analysis, applying the new longitudinal strength of the thin-walled variable cross-section beam taking into consideration of warping in horizontal bending. We applied new automatic calculation system of the first and second reports to B/C type, closed deck type, PCC type, container carrier A, B, C type, and multilayer decks type. And then, we added the new concept "Covered Cell" and of new integration path on position of reflected image to HB-Warps. It is possible to calculate automatically for shear flow of horizontal bending by the concept. In this paper, we developed the new system to apply to medium-sized DHT type has multiple cells and two inner cells, DH-VLCC type has multiple cells and three inner cells, and DH-ULCC type has multiple cells and four inner cells. And then, it is effective for automatic calculation of shear flow to apply "Covered Cell" to DH-VLCC type, and DH-ULCC type has plural inner cells in half cross-section. Therefore, a matter of great importance for automatic calculation of shear flow is that cell's concepts is correctly applied for the ten kinds of cross-section. As we confirmed that the system was operated properly, the practical application of the new longitudinal strength of a hull girder, based on the effects of warping in vertical and horizontal bending and in torsion on wave, is considered to have reached the second stage.
社団法人日本船舶海洋工学会の論文
2003-08-31

水平曲げにおける横断面の反りを考慮した船体縦強度理論の実用化に関する研究(第三報)

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