A comparison of methods for calculating the motion of a semi-submersible |
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| Authors: | Matao Takagi Shin-Ichi Arai |
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| Institution: | Hitachi Zosen Corporation, Technical Research Institute, 1-3-22 Sakurajima, Konohana-ku, Osaka, Japan;Yokohama National University, Faculty of Engineering, Department of Naval Architecture & Ocean Engineering, 156 Tokiwadai, Hodogaya-ku, Yokohama, Japan;Ishikawajima-Harima Heavy Industries Co., Ltd, Research Institute (Yokohama), 1 Shin-nakaharacho, Isogo-ku, Yokohama, Japan;Sumitomo Heavy Industries, Ltd,Hiratsuka Research Laboratory, 63-30 Yuhigaoka, Hiratsuka, Japan |
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| Abstract: | The 17th ITTC Ocean Engineering Committee undertook the comparison of methods for calculating semi-submersible wave motion, and 34 programs from 28 different organizations participated in the project. The summary of the results are reported in the Technical Report of the 17th ITTC (ITTC, 1984).In this paper, the details of the project are described. Namely, almost all the calculation results of the 34 programs are shown and examined from the viewpoints of the validity of the program itself and of the correlation between the differences in the various calculation methods and the differences in the calculation results. The calculation results are also compared with the experiments, the details of which are also illustrated. |
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