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In order to evaluate ship manoeuvrability in shallow water condition by numerical simulation based on MMG mathematical model, it is important to use hydrodynamic coefficients on which shallow water ef...fects are considered properly. The authors have carried out captive model tests to measure hydrodynamic forces acting on the bare hulls of eighteen model ships of tankers, bulk carriers and so on both in deep and shallow water conditions and accumulated the measured forces as a database. In this paper, the authors present shallow water effects on the longitudinal components of hydrodynamic derivatives based on the analysis of the measured forces in the database. The variation of the longitudinal components of hydrodynamic derivatives by principal particulars of ships or water depth is investigated.続きを見る
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