Reference : Multi-criterion Scantling Optimisation of Cruise Ships
Scientific journals : Article
Engineering, computing & technology : Civil engineering
Engineering, computing & technology : Mechanical engineering
Engineering, computing & technology : Computer science
Multi-criterion Scantling Optimisation of Cruise Ships
[fr] Optimisation multi-critères de l'échantillonnage de navires de croisières
Caprace, Jean-David mailto [Université de Liège - ULg > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) >]
Bair, Frédéric [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
Rigo, Philippe mailto [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
Ship Technology Research = Schiffstechnik
[en] Scantling optimisation ; Shipbuilding ; Cruise Ships ; Multi-criterion optimisation ; Pareto front ; Amidships section
[en] Numerous real-world problems related to ship design can be solved by various alternatives. However, the scantling design has conflicting objectives such as minimum production cost, minimum weight and maximum moment of inertia (stiffness). Therefore a multi purpose solution had to be settled in order to meet all these requirements at once. Ship design is a complex endeavour requiring successful coordination of many disciplines, both technical and non-technical. Basic design is the least defined stage of the ship design process and seeks to define the optimal amidships section structure. For that purpose, recent improvements have been made to a numerical tool in order to optimise the scantling of ship sections by considering production cost, weight and moment of inertia in the optimisation objective function. A multi-criteria optimisation of a passenger ship is conducted in this paper to illustrate the analysis process. Pareto frontiers are obtained and results have been validated by the Bureau Veritas rules. The methodology presented in this paper has demonstrated its effectiveness in optimizing scantling of ships at a very early design stage thanks to a management of critical problems usually studied at a later stage of the design.
Researchers ; Professionals

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