There are difficulties in predicting resistances for ships of full form based on Dawson's method. This paper presents a modified Dawson method to improve the prediction of wave pattern and wave-making resistances for ships of full form. In the proposed approach, an alternative method was first developed so that the free surface boundary conditions are satisfied on arbitrary body-fitted lines instead of streamlines. A stern region was then excluded from the computational domain. Validation studies have been carried out for various ship hulls. There is a good agreement between the computed results and experimental data. It has been demonstrated that the present method improves the numerical stability in evaluating the flow field, wave pattern and wave-making resistance for full-form ships.


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    Titel :

    Wave pattern and resistance prediction for ships of full form


    Beteiligte:
    Peng, Heather (Autor:in) / Ni, Shaoyu (Autor:in) / Qiu, Wei (Autor:in)

    Erschienen in:

    Ocean Engineering ; 87 ; 162-173


    Erscheinungsdatum :

    2014


    Format / Umfang :

    12 Seiten, 18 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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