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246200812MachineDesignandResearchVol.24No.6Sec.,2008:2008-08-04:100622343(2008)0620722031,2,1(1.,200240,E2mail:;2.,213164):ANSYS,,,,:ANSYS;;;:TH213.5:AFiniteElementAnalysisofLargeSpanPortalFrameStructureBasedonANSYSMAXiao2ming1,2,YAOZhen2qiang1(1.ShanghaiJiaoTongUniversity,Shanghai200240,China;2.ChangzhouTextileGarmentInstitute,JSChangzhou213164,China;)Abstract:Thispaperdiscussesmodelingmethodoffiniteelementaboutlargespanportalframestructureinacer2tainworkshop,andperformsthenon2linearstaticanalysisofthisstructurebyusingANSYS.Bytheanalysis,thedistri2butionmapsofthestressandthestrain,andanalysisresultofstrengthandstiffnessofmajorcomponentsaregotten,underthexorstworkingcondition.Someimprovedmethodandsuggestionarealsoproposed.Keywords:ANSYS;finiteelement;largespan;portalframestructure1,,,,,,,,,,,,,ANSYS,,,,,,1,,,,80%[2],,1.11,,KBK1,(1001004)1001005(1001004),5.85m,4.8m,16.5m,,(40604),,,,1.2ANSYS,,,,,,,(1),,,,,,,AN2SYSSECTION;,ANSYSSECTION(2),,,,,[2],,,,(3),--,,;-,,,(4)KBKKBKKBKPres2sure();KBK22.1:()()(),,,,BEAM188Timoshenko,67,,,,,,BEAM1883D,[3],,,;,,[6],,,SHELL181,BEAB4SHELL181,,,,LINK10,,,,,,,MASS21,11BEAM188BEAM188SHELL181BEAM4LINK10MASS212.2ANSYS,,,,SHELL181,,SHELL181,,/ESHAPE,1.0,2.3Q235A,45,E=2.061011Pa,=0.28,7850kg/m3,160106Pa;,E=0.7251011Pa,=0.28,4841kg/m32.4,,376:,,,,1,23,,SHELL1810.05m,2a;SHELL1810.05m,2b,3,2131,27242.5,,(1)4-,,,,(6DOF),4a(2)()(),,-,,,,,,,-(6DOF),,4b(3)-,,ANSYSCPCYC,,6DOF4(c)(4),,CERIG,(5),,,6DOF3250kg,,,,,,,,,Pa,mvonMises,;vectorsum(),,,,5,5abMX5a,,12.7810-3m,6.3910-3m16.5m,0.775/10005b,,44.7106Pa,,6SEQV;DMX();SMNSEQV;SMXSEQV(88)4724[3].[J].,2007,33,(1):2729.[4].[J].,2002,3:2627.[5].[J].,2004,3(5):1921.[6],,,.[J].,2007,10(41):15981602.[7],,,.[J].,2006,1(13):3639.[8]HeYang,LianggangGuo,MeiZhan,etal.Researchonthein2fluenceofmaterialpropertiesoncoldringrollingprocessesby3D2FEnumericalsimulation[J].JournalofMaterialsProcessingTechnology,2006,177:634638.[9],.U[J].,2007,10(41):15901593.[10]ABAQUS.ABAQUSanalysisusersmanual[M].Indiana:USA:[s.n.],2004,450600.[11]WJChung,JWCho,TBelytschko.OnthedynamiceffectsofexplicitFEMinsheetmetalforminganalysis[J].EngineeringinComputations,1998,15(6):750756.:(1982-),,(74)(a)-(b)-564:(1);(2),-,,,,,,:(1),,;(2),,:[1],.2400T[J].,2007,1:7174.[2],,,.[J].,2004,1:2627,61.[3],,,.[J].,2007,2:3335.[4],,.ANSYS[J].(),2007,31(1):176179.[5].ANSYS[J].,2004,2:6365.[6],,.[J].,2005,5:9395,97.[7],,.ANSYS[J].,2003,22(3):441443,446.[8].[J].CAD/CAM,2001,1:4247.:(1969-),,,CAD/CAM8824