This article presents a method of determining a ship's transverse stability in regular waves of an arbitrary direction. The main problem due to which the development of this method was caused, is the observed onset of parametric rolling of the ship, directly connected with the fluctuation of stability. For continuous determination of a varying upright moment in rough seas the configuration of immersed part of the hull and its volume should be known. The equation for the waterline draft in each point of the ship's hull situated on the wave profile with arbitrary trim and list was obtained. To solve this equation, the specific hull form mapping techniques was developed (the ordinate of the ship's cross section was presented as a function of draft). Knowing the configuration of immersed hull part, its volume, position of the centre of buoyancy and the upright lever can be determined. As an application example of described method, two mathematically calculated situations of heavy rolling in head and following waves because of stability variation are presented.


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    Titel :

    On the method of calculation of ship's transverse stability in regular waves


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    05.02.2009




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt




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