2010(32)5 AutomotiveEngineering2010(Vol.32)No.52010077NVH**863(2006AA110101)(2009AKKG0221)。200977,2009911。陈 剑1,2,穆国宝1,2,张丰利3(1.合肥工业大学机械与汽车工程学院,合肥 230009; 2.安徽省汽车NVH工程技术研究中心,合肥 230009;3.徐州重型机械有限公司,徐州 221001)[] ,NVH,,,。:;NVH;;AStudyontheStrategyforModalMatchingBetweenSystemsinVehicleNVHTop-downDesignChenJian1,2,MuGuobao1,2ZhangFengli31.SchoolofMechanicalandAutomotiveEngineering,HefeiUniversityofTechnology,Hefei 230009;2.AutomotiveNVHEngineeringandTechnologyResearchCenterAnhuiProvince,Hefei 230009;3.XuzhouHeavyMachineryCo.,Ltd.,Xuzhou 221001[Abstract] Thevibrationsinvarioussystemsofvehicleareanalyzed.ThestrategyandworkflowofmodalmatchingaresummarizedbasedonthevehicleNVHtop-downdesignflow.Thestrategyandworkflowareappliedtoanewcardevelopment,wellsolvingthemodalmatchingproblembetweenvarioussystems.Keywords:modalfrequency;NVH;top-downdesign;matching,,,。NVH,。,。[1]“V”NVH,6:(1),;(2)NVH;(3)NVH,;(4);(5);(6)。NVH,NVH———,。1 、3;、。,、、、,。。(1),5~20Hz;,200Hz,NVH。·370 · 2010(32)5(2),,700~1000r/min,20~35Hz。,,10~80Hz[2]。,,。、。,[2]。,,。,,,。,、、、,5~80Hz。2 2.1 。5~80Hz,,。,,[3]。NVH,、、、。2.1.1 ,,,,,[3]。,、、NVH、。。,,,。2.1.2 ,,,。NVH。,,。,,[4]。2.1.3 ,,、、。,,NVH,,NVH。2.1.4 ,、,。NVH,:(1);(2),、。2.2 NVH,,1。、3,。2010(Vol.32)No.5,:NVH·371 ·1 3 ,NVH。3.1 NVH,NVH、NVH,、、、、、、、[5],NVH,NVH,,1。2 3.2 ,,,。2,·372 · 2010(32)533.9Hz,46.73Hz。,35Hz,,、,,。、2。3,22.91Hz,2 /Hz·mm-1/Hz·mm-1/mm/mm/mm0.0553-0.4211.42×10-20.80.7020.7-0.327-7.13×10-22.38×10-310.8990.9B0.2181.177.77×10-31.51.3121.32.824.123.26×10-20.750.7020.7-0.1799.75×10-21.19×10-31.21.01212.371.721.45×10-20.80.7020.70.6980.4256.15×10-30.70.7020.7A0.3061.503.52×10-31.21.6011.6B0.2641.155.73×10-31.51.2811.32.02-1.39×10-34.72×10-31.51.5651.60.9171.41×10-34.39×10-31.20.9981,[6]。3 ,CAE,。3.3 、,NVH。,,,。。(),,。(393)2010(Vol.32)No.5,:·393 ·。,。19。,,,。19 (R=500mm,L=876mm)4 (1)。。(2),R,19.34%。 (3),。4.66%。(4)。(5),,20.59%。[1] .[M].:,2005:25-55.[2] WoodRichardM,BauerStevenXS.SimpleandLow-costAerody-namicDragReductionDevicesforTractor-TrailerTrucks[C].SAEPaper2003-01-3377.[3] .[M].:,1998.[4] SubrataRoy,PradeepSrinvasan.ExternalFlowAnalysisofaTruckforDragReduction[C].SAEPaper2000-01-3500.[5] ,,.[J].(),2008,38(1):12-16.[6] .[M].:,2004:124.[7] KhongeAshokD,JainSunilK,etal.SimulationoftheFlow-FiledAroundaGenericTractor-TrailerTruck[J].SAEPaper2004-01-1147.[8] ,,.[J].,2002,23(3):399-401.[9] ,,.[J].,2002,24(5):408-411.(372)4 ,,。,,NVH,,(、、、、),。[1] ,,.NVH[J].,2007(7):3-5.[2] .NVH[DB/OL].=22331extra=page%3D2.2006-8-15.[3] ,,.—[M].:,2006.[4] .[M].:,2006.[5] .NVH[C].LMS,2007.[6] ,,.[C].MSC,2007.