Abstract The tumblehome hull adopts some novelty designs such as low-tumblehome freeboard and wave-piercing bow. The new form design makes the ship have many special hydrodynamic performances. Especially the green water of tumblehome hull is different from that of hulls with flare free board. Green water is a strong nonlinear phenomenon of ship-wave interaction, the variation of free surface of liquid is complicated, and there are still some difficulties to solve green water problems well with numerical simulation method. In this paper firstly the motion responses of the tumblehome hull was calculated based on 3D potential theory, and then the dam-break flow model was used to calculate green water height and pressure distribution. According to the result of numerical simulation, some typical working conditions are chosen for 3D CFD simulation using RANS method. The results of numerical simulation methods are compared with the experimental results measured in towing tank. The influence of different ship form parameters and wave parameters to the green water of tumblehome hull is analyzed, and some regularities of green water on tumblehome hull in regular waves are summarized.


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    Titel :

    Study on Green Water of Tumblehome Hull Using Dam-Break Flow and Ranse Models


    Beteiligte:
    Sun, Shuzheng (Autor:in) / Du, Wenlei (Autor:in) / Li, Hui (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2017




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Unbekannt


    Klassifikation :

    BKL:    50.92 Meerestechnik / 55.40 Schiffstechnik, Schiffbau



    Study on Green Water of Tumblehome Hull Using Dam-Break Flow and Ranse Models

    Sun Shuzheng / Du Wenlei / Li Hui | DOAJ | 2017

    Freier Zugriff

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