A method for estimating the system reliability of the ship grillage structure under combined axial compression and lateral pressure load is presented in this paper. The ship grillage structure is idealized as a structural system consisted of several longitudinal stiffeners and transverse girders with attached plating in parallel, respectively. The ultimate compressive strength of the stiffener with attached plating under the combined axial compression and lateral pressure load is calculated by the analytical method. The lateral pressure load applied to the ship grillage structure is considered how to be distributed on the longitudinal stiffener and the transverse girder. The reliability on the buckling collapse of each stiffener with attached plating is estimated by Monte Carlo simulation method, and the system reliability of the ship grillage structure is estimated, considering the redistribution of the external load in other stiffeners after any of stiffeners fails. The uncertainties are quantified using probabilistic models of design variables proposed in the previous literature. By numerical example for the system reliability estimation of a stiffened panel under combined axial compression and lateral pressure load, the present method is validated.


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    Titel :

    A method for estimating the system reliability of ship grillage structure


    Weitere Titelangaben:

    Mar Syst Ocean Technol


    Beteiligte:
    Ri, Yong-Ho (Autor:in) / Rim, Un-Ryong (Autor:in) / Mun, Ji-Song (Autor:in) / Kim, Jin-Chol (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.10.2024


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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