ShipMo3D is DRDC Atlantic's object-oriented library for modelling ship motions in waves. Previous ShipMo3D development considered ships travelling with nominally steady speed and heading. This report describes the extension of the ShipMo3D library to model motions of freely maneuvering ships. New ShipMo3D force components arise from hull maneuvering, resistance, propulsion, and rudder-propeller interaction. Comparisons of turning circle predictions with full-scale trials data for the tanker Esso Osaka give encouraging results. Comparisons of predictions with motions of a steered warship model in waves give very good results. Excellent agreement between predictions for a freely maneuvering ship and for a ship with nominally steady speed and heading indicates that the extension of ShipMo3D to freely maneuvering ships has been correctly implemented. It is recommended that future work further investigate prediction of hull maneuvering forces.


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    Titel :

    Simulation of Hydrodynamic Forces and Motions for a Freely Maneuvering Ship in a Seaway


    Beteiligte:
    K. McTaggart (Autor:in)

    Erscheinungsdatum :

    2005


    Format / Umfang :

    74 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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