PapertobepresentedattheForumonShipDesignandShipbuildingDevelopmentShanghai,29thJuly2008TitleSHIPFLOWFRIENDSHIPDesignPackage–TheHullFormOptimizationSolutionAuthorsClausAbt,Dipl.-Ing.,FRIENDSHIPSYSTEMS(presentingauthor)LeifBroberg,PhD,FLOWTECHStefanHarries,Dr.-Ing.,MSE(correspondingauthor)FRIENDSHIPSYSTEMSGmbH,GermanyPhone+49(0)331–967660Fax+49(0)331–9676619e-mailHYPERLINK"mailto:harries@FRIENDSHIP-SYSTEMS.com"harries@FRIENDSHIP-SYSTEMS.comKeunjaeKim,PhD,FLOWTECHThemesPracticalhullformoptimizationComputerAidedEngineeringCAD-CFDintegrationSimulationdrivendesignAbstractShipyardsanddesignofficesknowthatthekeytoincreasingorsustainingmarketshareinacompetitiveworlddependslargelyontheirabilitytocontinuouslyimprovetheirshipdesigns.Customersmoreandmoredemandexcellentperformanceandsmallerenvironmentalimpact.Inparticular,heighteningfuel-pricescallformaximumefficiencyinhullforms.Thehydrodynamicdesignofhullforms,appendagesanddevices(e.g.nozzles,vortexgenerators)isoneoftheprominentchallengesinshipdesign,decidingintheearlyphasesifaprojectwillbesuccessful.Threeprerequisitesneedtobemetinordertoundertakehydrodynamicdesignwithfullefficacy:EfficientmethodsofmodelingandvariationinComputerAidedDesign(CAD)FastandreliablemeansofflowsimulationinComputationalFluidDynamics(CFD)Comfortableandeasy-to-usesoftwarefordesignandoptimization(CAD-CFDintegration)Havingrealizedthis,theSwedishcompanyFLOWTECHandtheGermancompanyFRIENDSHIPSYSTEMSstartedaclosecooperationtobringtogethertheirCFDandCADexpertise.FLOWTECHandFRIENDSHIPSYSTEMSnowmarketanewproductthatcombinesthewell-knownSHIPFLOWcodeandthepowerfulFRIENDSHIP-Framework.ThenameofthenewproductisSHIPFLOWFRIENDSHIPDesignPackage.Theuserthusgetsparametricmodeling,formaloptimizationfunctionalityanddedicatedflowcodesinoneintegratedpackagethatallowstoforinstanceModelandanalyzehullforms,appendagesandpropellersOptimizehulllines,e.g.thebulbousbowandtheforebodywithregardtowaveresistanceSimulatetheflowaboutaftbodyshapesStu