32.应用STAR-CCM+对汽车外流场进行分析

2009CDAJChinaSTAR-CCM+VehicleExternalFlowAnalysisbySTAR-CCM+STAR-CCM+13CFDCFDSTAR-CCM+Abstract:Theexternalflowsimulationofaclaymodel,whichwasa1:3scalemodelofaCHANAvehicle,wascarriedoutbySTAR-CCM+.Themainparameters,thedragcoefficientandliftcoefficient,hadbeencalculatedbyCFDandthesimulationwascomparedwiththeexperiment.Keyword:vehicleexternalflowCFDSTAR-CCM+113CFD2009CDAJChina2CFD2.11311L=8m,W=4m,H=3m2.5286222009CDAJChina2.2RealizableK-ESTAR-CCM+Two-LayerAlly+WallTreatment27.8m/s3STAR-CCM+3342009CDAJChina2009CDAJChina4Two-LayerAlly+WallTreatmentHighy+WallTreatment5DES2009CDAJChinaTwo-LayerAlly+DESRANS2.2%6Star-CCM+