Structural weight minimization of high speed vehicle-pasenger catamaran by genetic algorithm

• Autorzy: Sekulski Z.
• Języki publikacji: EN

Abstrakty

EN

Reduction of hull structural weight is the most important aim in the design of many ship types. But the ability of designers to produce optimal designs of ship structures is severely limited by the calculation techniques available for this task. Complete definition of the optimal structural design requires formulation of size-topology-shape-material optimization task unifying optimization problems from four areas and effective solution of the problem. So far a significant progress towards solution of this problem has not been achieved. In other hand in recent years attempts have been made to apply genetic algorithm (GA) optimization techniques to design of ship structures. An objective of the paper was to create a computer code and investigate a possibility of simultaneous optimization of both topology and scantlings of structural elements of large spacial sections of ships using GA. In the paper GA is applied to solve the problem of structural weight minimisation of a high speed vehicle-passenger catamaran with several design variables as dimensions of the plate thickness, longitudinal stiffeners and transverse frames and spacing between longitudinals and transversal members. Results of numerical experiments obtained using the code are presented. They shows that GA can be an efficient optimization tool for simultaneous design of topology and sizing high speed craft structures

• Wydawca: -
• Czasopismo: Polish Maritime Research
• Rocznik: 2009
• Tom: 16
• Numer: 2
• Opis fizyczny: p.11-23,fig.,ref.

Twórcy

autor

Sekulski Z.

• Faculty of Marine Technology, West Pomeranian University of Technology in Szczecin, Al.Piastow 41, 71-065 Szczecin, Poland

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Identyfikatory

DOI

10.2478/v10012-008-0017-5