A cruise ship has multi-layer superstructures, and superstructures design is extremely important for obtaining more passenger space and controlling the height of gravity centre. Owing to non-continuous structures, such as window openings and side shell recess above lifesaving deck, superstructure’s effectiveness on longitudinal strength is difficult to determine. It is necessary to study the effect of superstructure on hull girder ultimate strength in order to evaluate the true safety margin. In this paper, one simplified modelling method of whole ship structures is proposed to calculate the hull girder ultimate strength by nonlinear FE analysis, and the variation characteristics of superstructure’s effectiveness from elastic state to limit state are analysed in detail. Then, a safety factor is proposed to cover the effect of double bottom bending on ultimate strength. The conclusions obtained in this paper will provide a reference for assessment of hull girder ultimate strength in cruise ship design.


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    Titel :

    Analysis of hull girder ultimate strength for cruise ship with multi-layer superstructures


    Beteiligte:
    Shi, Gui-jie (Autor:in) / Gao, Da-wei (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2019-10-03


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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