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运载火箭薄壁加筋壳体的结构优化 Title:StructuralOptimizationofThin-WalledReinforcedShellforCarry-onRockets Abstract: Thecontinuousadvancementofspaceexplorationhasplacedincreasingdemandsontheperformanceandefficiencyofcarry-onrockets.Onecriticalaspectthatimpactstheoverallsuccessofsuchrocketsisthestructuraldesignoftheirthin-walledreinforcedshells.Thispaperaimstoexplorevariousapproachesforoptimizingthestructuraldesignofcarry-onrocketshells,consideringfactorssuchasweightreduction,materialselection,andoverallstrength. 1.Introduction: 1.1Background 1.2Objectives 1.3ScopeofStudy 2.LiteratureReview: 2.1Evolutionofcarry-onrocketshelldesigns 2.2Materialselectionforrocketshellconstruction 2.3Methodsusedforstructuraloptimization 2.4Previousstudiesonthin-walledreinforcedshelloptimization 3.Methodology: 3.1Initialdesignconsiderations 3.2FiniteElementAnalysis(FEA)techniques 3.3Selectioncriteriaforoptimization 3.4Structuraloptimizationalgorithms 4.CaseStudies: 4.1Parameterstudyofvariousreinforcementstrategies 4.2Materialselectionanditsinfluenceonshellperformance 4.3Trade-offsbetweenweightreductionandstrengthenhancement 5.ResultsandDiscussion: 5.1Comprehensiveanalysisofstructuralperformance 5.2Comparisonofdifferentoptimizationstrategies 5.3Evaluationofmaterialchoicesandtheirimpactonperformance 5.4Discussiononpotentialtrade-offsandcompromises 6.Conclusion: 6.1Summaryoffindings 6.2Recommendationsforfutureresearch 6.3Finalthoughtsonthesignificanceofstructuraloptimization References: Includeallreferencescitedthroughoutthepaper. Note:Thesuggestedstructureaboveisageneralguidelineandcanbeadjustedbasedonthespecificrequirementsandareaoffocusforthestructuraloptimizationofthethin-walledreinforcedshellofcarry-onrockets.