Hull form optimization of a cargo ship for reduced drag-中国Betway体育网页登陆

摘要 Hydrodynamicoptimizationofthehullformscanberealizedthroughtheimplementationandintegrationofcomputationaltoolsthatconsistofahydrodynamicmodule,ahullsurfacerepresentationandmodificationmodule,andanoptimizationmodule.Inthepresentpaper,anewbulbousbowgenerationandmodificationtechniquehasbeendevelopedandintegratedintothehullsurfacerepresentationandmodificationmodule.Aradialbasisfunctionbasedsurrogatemodelisdevelopedtoapproximatetheobjectivefunctionsandreducethecomputingcost.Amulti-objectiveartificialbeecolonyoptimizationalgorithmisimplementedandintegratedintotheoptimizationmodule.Toillustratetheintegratedhydrodynamicoptimizationtools,acargoshipisoptimizedforreduceddrag.Theoptimalhullformsobtainedarethenvalidatedcomputationallyandexperimentally.Validationresultsshowthatthepresenttoolscanbeusedefficientlyandeffectivelyinthesimulationbaseddesignofthehullformsforreduceddrag.

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Hull form optimization of a cargo ship for reduced drag

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