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- W1423218505 abstract "Abstract Real world problems have usually multiple objectives. These objective functions are of- ten in conflict, making them highly challenging in terms of determining optimal solutions and analysing solutions obtained. In this work Multi-objective Particle Swarm Optimisation (MOPSO) is employed to optimise the shape of marine propellers for the first time. The two objectives identified are maximising efficiency and minimising cavitation. Several experiments are undertaken to observe and analyse the impacts of structural parameters (shape and number of blades) and operating conditions (RPM) on both objective. The paper also investigates the negative effects of uncertainties in parameters and operating conditions on efficiency and cavitation. Firstly, the results showed that MOPSO is able to find a very accurate and uniformly distributed approximation of the true Pareto optimal front. The analysis of the results also shows that a propeller with 5 or 6 blades operating between 180 and 190 RPM results in the best trade-offs for efficiency and cavitation. Secondly, the simulation results show the significant negative impacts of uncertainties on both objectives." @default.
- W1423218505 created "2016-06-24" @default.
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- W1423218505 date "2015-01-01" @default.
- W1423218505 modified "2023-10-03" @default.
- W1423218505 title "Multi-objective Optimisation of Marine Propellers" @default.
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- W1423218505 doi "https://doi.org/10.1016/j.procs.2015.05.504" @default.
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