Hydrodynamic optimisation of a multi-purpose wind offshore supply vessel
Hydrodynamic optimisation of a multi-purpose wind offshore supply vessel
- Neue Suche nach: Feng, Yanxin
- Neue Suche nach: Moctar, Ould el
- Neue Suche nach: Schellin, Thomas E.
- Neue Suche nach: Feng, Yanxin
- Neue Suche nach: Moctar, Ould el
- Neue Suche nach: Schellin, Thomas E.
The aim of this study was to reduce the total resistance of a multi-purpose wind offshore supply vessel by optimising its hull. Resistance was computed using a potential flow boundary element method and a Reynolds-averaged Navier–Stokes equations solver. Optimised hull forms were obtained for the ship advancing at different ship speeds under calm water conditions, employing the two multi-objective optimisation algorithms, Non-dominated Sorting Genetic Algorithm II (NSGA-II) and Multi-Objective Simulated Annealing (MOSA). Using NSGA-II yielded slightly larger reductions of total resistances than MOSA. The greatest reductions were achieved at ship speeds between 11 and 14knots. At these speeds, a thinner and longer bulbous bow reduced resistance. At speeds greater than 15knots, a bloated bulbous bow was more helpful to reduce resistance.
Dokumentinformationen
Hydrodynamic optimisation of a multi-purpose wind offshore supply vessel
Ship Technology Research ; 67 , 2 ; 69-83
2020-05-03
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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