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Least weight and least cost optimisation of a passenger vessel
Caprace, J.-D.; Bair, F.; Rigo, P. (2010). Least weight and least cost optimisation of a passenger vessel. Sci.J. Ser. Math. Modelling Civ. Eng. (Tech. Univ. Civ. Eng. Buchar., Print) 2: 17-26
In: Scientific Journal. Series Mathematical Modelling in Civil Engineering (Technical University of Civil Engineering Bucharest). Conspress: Bucuresti. ISSN 2066-6926, more

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Author keywords
    Structural optimisation, Shipbuilding, Shipyard, Multi-criterion optimisation, Cruise ship

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Abstract
    In the scantling design of a passenger ship, minimum production costminimum weight and maximum moment of inertia (stiffness) are conflicting objectives. For that purpose, recent improvements have been made to the LBR-5 software (French acronym of Stiffened Panels Software”, version 5.0) to optimize the scantling of ship sections by considering production cost, weight and moment of inertia in the optimisation objective function. A real multi-criterion optimisation of a passenger ship is presented in this paper. Results highlight that LBR-5 is competitive software to optimise scantling of ships at very early design stage with management of critical problems studied normally at a later step of the design.

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