In this paper we have for the first time proposed a novel transformed Gaussian process method for the estimation of rogue wave occurrence in a short crested mixed sea. The saddle point approximation of a specific joint density is utilised to further improve the computational efficiency of the proposed method. The proposed method has been applied to forecast the rogue wave occurrence in four short-crested mixed sea states, two with directional wave spectra based on measured surface elevation data at the coast of Yura, and another two with typical directional bimodal wave spectra. It is shown in these four cases that the proposed method can offer more accurate forecasting results than those obtained from the linear simulation method, from the transformation based on Hermite polynomials and from using the Rayleigh distribution model. It is also demonstrated that the proposed method is more efficient than the nonlinear simulation method.


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    Titel :

    Predicting the occurrence of rogue waves in short-crested mixed seas


    Weitere Titelangaben:

    SHIPS AND OFFSHORE STRUCTURES
    Y. WANG


    Beteiligte:

    Erschienen in:

    Ships and Offshore Structures ; 19 , 10 ; 1616-1634


    Erscheinungsdatum :

    02.10.2024


    Format / Umfang :

    19 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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