ORBi: Caprace Jean-David - Scantling Multi-objective Optimisation of a LNG Carrier

Reference : Scantling Multi-objective Optimisation of a LNG Carrier


	Document type :	Scientific journals : Article
	Discipline(s) :	Engineering, computing & technology : Mechanical engineering Engineering, computing & technology : Computer science Engineering, computing & technology : Civil engineering
	To cite this reference:	http://hdl.handle.net/2268/72057

Title :	Scantling Multi-objective Optimisation of a LNG Carrier
Language :	English
Alternative title :	[en] Optimisation Multi-objectif de l'Échantillonnage de LNG
Author, co-author :	Caprace, Jean-David [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 [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
Publication date :	Jul-2010
Journal title :	Marine Structures
Publisher :	Elsevier Science
Volume :	23
Issue/season :	3
Pages :	288-302
Audience :	International
ISSN :	0951-8339
City :	Oxford
Country :	United Kingdom
Keywords :	[en] Scantling optimisation ; Multi-criterion optimisation ; Multi-objective optimisation ; LNG carriers ; Shipbuilding ; Production cost ; Basic design ; Amidships section
Abstract :	[en] Numerous real-world problems relating to ship design are characterized by many alternatives. Moreover in the scantling design, minimum production cost, minimum weight and maximum moment of inertia (stiffness) are conflicting objectives. Ship design is a complex endeavour requiring the successful coordination of many different 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 were made to the LBR-5 software to optimise 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 LNG carrier is conducted in this paper to illustrate the analysis process. Pareto frontiers are obtained and 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.
Target :	Researchers ; Professionals
Permalink :	http://hdl.handle.net/2268/72057
DOI :	10.1016/j.marstruc.2010.07.003

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