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基于厚度匹配和TRB结构的某轿车前部结构耐撞性优化研究.docx

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基于厚度匹配和TRB结构的某轿车前部结构耐撞性优化研究 Title:OptimizationStudyonCrashworthinessofaSedanFrontStructurebasedonThicknessMatchingandTRBArchitecture Abstract: Inrecentyears,theautomotiveindustryhasbeenfocusingonimprovingthecrashworthinessperformanceofvehiclestoenhanceoccupantsafety.Thisstudyaimstooptimizethecrashworthinessofasedan'sfrontstructureusingacombinationofthicknessmatchingandtheThinWalledRectangularBox(TRB)architecture.Byoptimizingthestructure'sdesign,theobjectiveistoenhancetheenergyabsorptioncapacityduringfrontalcollisions.Thestudyutilizesnumericalsimulationsandfiniteelementanalysistoevaluateandcomparethecrashperformanceoftheoriginaldesignwiththeoptimizeddesign.Theresultsdemonstratetheeffectivenessoftheproposedapproachinimprovingthestructuralcrashworthiness. 1.Introduction: Thecontinuousriseinglobalautomobilesaleshasnecessitatedthedevelopmentofsafervehiclestoprotectoccupantsduringaccidents.Thefrontstructureofavehicleplaysacriticalroleinabsorbinganddissipatingtheimpactenergyduringafrontalcollision.Byimprovingthecrashworthinessperformanceofthefrontstructure,theseverityofinjuriestothevehicleoccupantscanbeminimized.Thisstudyfocusesonoptimizingthecrashworthinessofasedan'sfrontstructurebyapplyingtheprinciplesofthicknessmatchingandtheTRBarchitecture. 2.Methodology: 2.1ThicknessMatching: Thicknessmatchingreferstotheprocessofequalizingthethicknessofdifferentstructuralcomponents,suchasthefrontbumper,enginehood,andfenders.Byachievingabalanceddistributionofthickness,theoverallperformanceofthefrontstructurecanbeimproved.Thisprocessinvolvesanalyzingthestructuralbehaviorunderdifferentloadingconditionsandoptimizingthethicknessdistributionaccordingly. 2.2ThinWalledRectangularBox(TRB)Architecture: TheTRBarchitecture,characterizedbyitslightweightandhigh-strengthproperties,offersanexcellentpotentialforcrashenergyabsorption.ThisdesignapproachinvolvesreplacingtraditionalstructuralcomponentswithTRBelementstooptimizethedeformationbehaviorunderimpactloading.ByintegratingTRBarchitectureintothefron