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1、ApplicationResearchonMulti-objectiveOptimizationofYachtConceptDesignAbstractThetraditionalprocessofshipdesignisserialdesignprocess.Theactualprocessofyachtdesignisoftenaprocessthatinvolvingamulti-disciplinaryandcouplingvariousinfluencefactorswhichrestricteacho
2、ther.Thefactorsinvolvessuchasfloating,resistance,structureandstability.Thispaperdetailsatheoreticalmethodthatinvolvedinoptimizationprocess,notonlycomparestwodifferentoptimizationstrategiesbutalsocomparestheexistingintegrationframework.TheiSIGHTsoftwarewasused
3、toestablishframeofstructure,rapidityandeconomicsubjectedoncollaborativeoptimizationframeworkwhicharebasedoncollaborativeoptimizationalgorithm.Atthesametime,basedonthegeneralprocessofyachtdesign,theresultsofmultidisciplinarydesignoptimizationareappliedtodeterm
4、inethemaindimensionsofatwenty-fourmeterpoweryacht.TheRhinomodel、linedrawings、effectimageandgenerallayoutareestablished.TherangeofthemathematicalvariablesbasedonMDOmodelwasdeterminedbythemaindimensions.Theyachtdesignandmethodofmultidisciplinarydesignoptimizati
5、onarecombinedforclearingthegoalofdesignoptimization.Accordingtotheframeworkofcollaborativeoptimizationalgorithm,theproblemofhowtooptimizeyachtisdecomposedintothreesub-disciplines:structure,rapidityandeconomy.Ineachofthemodelingprocess,thetheoreticalcontentofv
6、arioussub-disciplineswhicharerelatedtotheyachtisintroduced.Ninevariableswasselectedwhichareinvolvedinthreesub-disciplines.Inthestructuresub-discipline,variablesincludethehullplatethickness,sizeofprofileandthicknessofbulkhead.Accordingtothefourtotalverticalext
7、remeconditions,thestructuralstrengthofhullwascalculated.Intherapidityandeconomysub-discipline,designvariablesaresubjectedtowaterlinelengthL,moldedbreadthB,draftT,speedVandblockcoefficientCB.Aftertheestablishmentoftheapproximatemodelofthesub-discipline,amathem
8、aticalmodeloftheoptimizationproblemwhichisbasedontheframeworkofthecoordinationoptimizationalgorithmisconstructed.Inordertoobtaintheoptimalsolutionofthemathematicalmodel,itisnecessarytosol
