A structural multi-objective optimisation of a cruise ship has been undertaken. The developed method allows performing multi-criteria optimisation considering both production cost and weight in the objective functions. The entire Pareto front can be mapped using a process which alters the weights in the weighted sum solution and solves the optimisation problem for each of the resulting problems. Useful specific compromised solutions from the Pareto front, e.g. the nearest to the utopian and min-max solutions can be easily calculated. With the new multi-structures module, it is now possible to simultaneously optimise different sections of a ship ensuring the compatibility of the design variables between the different sections. These developments improve significantly the capability of the method to provide optimal scantling solution at the early stage of the design process. The method proposed here is suitable for basic design studies dealing with general multi-objective optimisation problems. However some additional developments such as early assessment of fatigue and a holistic life cycle cost module are still required.


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    Title :

    Multi-criteria scantling optimisation of cruise ships


    Additional title:

    Multikriterielle Optimierung der Bauteilabmessungen des Festigkeitsverbandes von Kreuzfahrtschiffen


    Contributors:

    Published in:

    Publication date :

    2010


    Size :

    11 Seiten, 4 Bilder, 2 Tabellen, 25 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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