53101Tab.1Parametersofthecarframe/kg/kg/mm4015606120×30,:220×20,:1.20,。,、。、,[1]。,,,,,。ANSYS,。CATIA,ANSYS,[2]。,CATIAANSYS,、,[3-6],。1CATIA1.1CAD,CAD,1,1。1.2CATIA,:(51305473)、(2014M552317)、(xm2014032)、(cstc2013jcyjA0794)(KJ120421)。:2015-05-14:2015-05-21doi:10.3969/j.issn.1673-3142.2015.10.001CATIAANSYS,(400074)[],CADCATIA,ANSYS、、,,。:,,。[];CATIA;ANSYS;[]TH111[]A[]1673-3142(2015)10-0001-04TheModalAnalysisofHondaEnergy-savingVehicleFrameBasedonCATIAandANSYSLiJunying,DengTao(SchoolofMechatronics&AutomobileEngineering,ChongqingJiaotongUniversity,Chongqing400074,China)[Abstract]FortheHondaenergy-savingvehicleframe,the2DCADmodelisestablishedandchangedintoCATIA3Dmodel,thenimportedintoANSYSsoftwareforfiniteelementanalysisincludingmeshing,boundaryandloadingsetting,deformationanalysis,therigidityandintensityanalysis.Moreover,themodalanalysisontheframeisexecutedunderundampedfreevibrationcondition.Theresultsshowthatthevibrationoftheframeisnoteasytocauseafewordervibrationsuperpositionduetoagreatdealofdifferencebetweeneachordermodal,andthestrengthoftheframeisbetter.[Keywords]frame;CATIA;ANSYS;modalanalysis1CADFig.1Theframe2DCADmodelAGRICULTURALEQUIPMENT&VEHICLEENGINEERING5310Vol.53No.10201510October2015250301863065682×准8.60765.688182019953704055150200462.676408.2432015、,、。CATIA,AN-SYS,,,。1CADCATIA,2。2ANSYS2.1,3:、、。TYPE、MAT、REAL[7]。,,,1.2mm、2mm,2.1×105MPa,0.3,2.8g/cm3。ANSYS,,a、b、c、d、e,3。2.2,2,1,2(3A、B),(UZ),2(34C、D、E、F),(UZ)。40kg,,、5a=155N,b=155N,c=42N,d=125N,e=125N,,。2.3,1、22,3、4、5、61,,。ANSYS,3a、b、c、d、e,,4。,DMX=0.023648,15cm,。3,。(、、)125N、155N、42N,125N、155N。[8]ω=Fb(L2-b2)3/293姨EIL(1)2Fig.2Theframe3DCADmodel3Fig.3Meshrefinementandloadandconstraints4Fig.4DeformationofthecarframeABabcCEedFD12354625310:F———,N;L———,m;E———,MPa;I———;ω———;b———,m。L=805.428mm,4ω=0.023648mm,b=0.31m,F=310N,(1)132.9634N·m2,6061228MPa,。4,:n=σsσmax(2):σs———;σmax———。n1,,[8-10]。,5。5,,0.282×10-3-0.023648MPa,σmax=0.023648MPa,σs=228MPa,n1,。5。[11]!Mx咬#$+!K#$x=#$0(3):[M]———;[K]———。,[K]+ω2[M%&]{x}={0}(4),0.218×10-3Hz,,6。0.566×10-3Hz,,7。,,,。0.1~2/m,8.47m/s,0.05~1.180Hz,0.218×10-3Hz,,,,。6,CATIA,ANSYS,5Fig.5Equivalentstress6Fig.6Thefigureofthefirstordermodal7Fig.7Thefigureofthesecondordermodal:CATIAANSYS32015、、、、,,。,,。,,。[1].CATIA-CAE[J].CAD/CAM,2011(2):56-59.[2]LiuYongchen,LiSun.Fatiguelifeanalysisofthefifthwheelsaddlebody[J].InternationalConferenceonComputer,Mechatronics,ControlandElectronicEngineering(CMCE2010),Changchun,China,2010.[3].ANSYS[J].,2013:18-23.[4],.ANSYS[J].,2005(6):12-15.[5].ANSYS[J].,2007(4):98-99.[6],.ANSYS[J].:,2013,:93-96.[7].ANSYS[M].:,2003.[8].[M].:,2011.[9],,.[M].:,2002.[10].[M].:,1997.[11]..[M].:,2013.(1989—),,,:,。E-mail:15165128466@139.com《2025》2015929《(2015)》。、,、。,,,、。《2025》,,2025。,《2025》、、、、、、、、、、,,,《(2015)》。20154,5,48、400,、、、。,23,。:4,、、、;2,、;4,、、、;1,;1,;3,、、;2,、;1,;3,、、;2,、。、、、、,20152025,2030。,。,,2。4