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FSAE赛车车身外流场优化设计与数值模拟.docx

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FSAE赛车车身外流场优化设计与数值模拟 Abstract: TheoptimizationdesignandnumericalsimulationoftheflowfieldoftheFSAEracingcarbodyisachallengingandcrucialtaskforengineers.ThispaperpresentsastudyontheoptimizationdesignandnumericalsimulationoftheflowfieldoftheFSAEracingcarbody.Theobjectiveofthisstudyistoenhancetheaerodynamicperformanceoftheracingcarthroughtheoptimizationoftheflowfieldaroundthecarbody.Thestudyutilizescomputationalfluiddynamics(CFD)simulationtoanalyzetheflowfieldandoptimizethecarbodyshape.Throughthisstudy,wehopetoprovidevaluableinsightsintotheoptimizationdesignandnumericalsimulationoftheflowfieldoftheFSAEracingcarbody. Introduction: TheFSAEracingcarisatypeofformularacingcardesignedandbuiltbyundergraduatestudents.Theracingcarhasstrictregulationsthatdictatethedesignparametersofthecar.Thisincludestheoverallshape,size,andweightofthecar.Oneofthecriticalparametersthatneedtobeconsideredinthedesignofthecaristheaerodynamicperformanceofthecarbody.Theaerodynamicperformanceofthecarbodydirectlyimpactstheoverallperformanceofthecar.Assuch,theoptimizationdesignandnumericalsimulationoftheflowfieldoftheFSAEracingcarbodyisacrucialtaskforengineers. Objectives: TheobjectiveofthisstudyistooptimizetheflowfieldaroundtheFSAEracingcarbodytoenhancetheaerodynamicperformanceofthecar.Inordertoachievethisobjective,thestudywillfocuson: -Thedesignandoptimizationofthecarbodyshape -Theuseofnumericalsimulationstoanalyzetheflowfield -Theevaluationoftheaerodynamicperformanceofthecarbody Methodology: Thestudywilladoptathree-stepapproachtoachievetheobjectiveofthestudy: Step1:Designandoptimizationofthecarbodyshape Thedesignandoptimizationofthecarbodyshapewillbecarriedoutusingcomputer-aideddesign(CAD)software.Thesoftwarewillbeusedtogeneratedifferentcarbodyshapestoevaluatetheiraerodynamicperformance.TheCADmodelswillthenbeimportedintocomputationalfluiddynamics(CFD)softwareforflowanalysis. Step2:Numericalsimulationstoanalyzetheflowfield TheCFDsimulationswillbeusedtoanalyzetheflowfieldaroundthecarbody.Thesimulationswi