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升力体式浮升混合飞艇多学科设计优化 Title:MultidisciplinaryDesignOptimizationofHybridAirshipsforAerostaticandAerodynamicLift 1.Introduction: Inrecentyears,therehasbeengrowinginterestinthedevelopmentofhybridairshipsthatcombinebothaerostaticandaerodynamiclifttoachieveimprovedperformanceandversatility.Thispaperaimstoexplorethemultidisciplinarydesignoptimizationofsuchhybridairships,withafocusonmaximizingtheirliftingcapabilities,maneuverability,andefficiency. 2.Background: Ahybridairshipisanovelaircraftthatutilizesacombinationofaerostaticlift,generatedbyalighter-than-airgas,andaerodynamiclift,generatedbytheairflowovertheaircraft'swingsorotherliftingsurfaces.Thisblendingofliftmechanismsallowstheairshiptoadapttovaryingaltitudeandwindconditions,makingitsuitableforawiderangeofapplications,includingcargotransportation,surveillance,andtourism. 3.DesignObjectives: Theprimarygoalofthisoptimizationstudyistomaximizetheoveralllift-to-dragratio(L/D)ofthehybridairshipwhileensuringadequatemaneuverabilityandoperationalefficiency.Thiswillinvolveconsideringmultipledesignvariables,includingairshipshape,wingconfiguration,propulsionsystem,gastype,andballastsystem.Theoptimizationprocesswillbeconductedusingamultidisciplinaryapproach,consideringdisciplinessuchasaerodynamics,structures,materials,andpropulsion. 4.Methodology: Themultidisciplinarydesignoptimizationofthehybridairshipwillinvolvethefollowingsteps: 4.1.AerodynamicAnalysis: Usingcomputationalfluiddynamics(CFD)techniques,theaerodynamicperformanceofdifferentairshipshapesandwingconfigurationswillbeassessed.Thisanalysiswillhelpidentifytheoptimalaerodynamicshapeandwingdesignthatminimizedragandmaximizelift. 4.2.StructuralAnalysis: Finiteelementanalysis(FEA)willbeemployedtoevaluatethestructuralintegrityoftheairshipundervariousloadconditions.Thisanalysiswillensurethattheairshipdesignmeetssafetyandreliabilityrequirementswhileminimizingweight. 4.3.MaterialSelection: Optimalmaterialselectionwillbeacrucialaspectofthedesignoptimizationprocess.Theselectionoflightwei

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