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1、Chapter12連桿與桁架結構分析AnalysisofLinksandTrussesContents12.1LINK1:2D連桿元素LINK1:2DLinkElement12.2實例:桁架設計Example:AnalysisofaTrussStructure12.3實例:超靜定柱子之反力計算Example:StaticallyIndeterminateReactionForceAnalysis12.4實例:熱應力計算Example:ThermallyLoadedSupportStructure12.5連桿元素瀏覽OverviewofLinkElem
2、ents12.6練習題Exercises2第12.1節LINK1:2D連桿元素LINK1:2DLinkElement312.1.1LINK1元素描述412.1.2LINK1輸入資料ElementNameLINK1NodesI,JDegreesofFreedomUX,UYRealConstantsAREA,ISTRNMaterialPropertiesEX,ALPX,DENS,DAMPSurfaceLoadsNoneBodyLoadsTemperature--T(I),T(J)SpecialFeaturesPlasticity,Creep,Stress
3、stiffening,Largedeflection512.1.3LINK1輸出資料6第12.2節實例:桁架設計Example:AnalysisofaTrussStructure711.2.1問題描述12012012012012060601201201801805000lb5000lbUnitofdimension:in.Material:SteelAllsectionareas=5in2812.2.2ANSYSProcedure(1/3)01020304050607080910111213FINISH/CLEAR/UNITS,BINYOUNG=29
4、E6!Young’smodulusAREA =5!Cross-sectionalareaLOAD =5000!Designload/PREP7ET,1,LINK1MP,EX,1,YOUNGR,1,AREA911.2.2ANSYSProcedure(2/3)151617181920212223242526272829303132333435363738N, 1, 0, 0N, 2, 180, 0N, 3, 0, 180N, 4, 180, 180N, 5, 30,300N, 6, 150,300N, 7, 30,420N, 8, 150,4
5、20N, 9, -90,480N,10, 270,480N,11,-210,540N,12, -90,540N,13, 30,540N,14, 150,540N,15, 270,540N,16, 390,540EN, 1, 1, 2EN, 2, 3, 4EN, 3, 5, 6EN, 4, 7, 8EN, 5,11,12EN, 6,12,13EN, 7,13,143940414243444546474849505152535455565758596061EN, 8,14,15EN, 9,15,16EN,10, 1, 3EN,11, 2, 4EN,12
6、, 3, 5EN,13, 4, 6EN,14, 5, 7EN,15, 6, 8EN,16, 7, 9EN,17, 8,10EN,18, 9,11EN,19,10,16EN,20, 9,12EN,21, 7,13EN,22, 8,14EN,23,10,15EN,24, 1, 4EN,25, 4, 5EN,26, 5, 8EN,27, 9,13EN,28, 8,13EN,29,10,14FINISH1011.2.2ANSYSProcedure(3/3)636465666768697071727374757677787980818283/SOLUD, 1,
7、UY,0D, 2,UX,0D, 2,UY,0F,11,FY,-LOADF,16,FY,-LOAD/PNUM,NODE,1/PNUM,ELEM,1/PBC,ALL,,1EPLOTSOLVEFINISH/POST1PLDISP,2ETABLE,MFORCE,SMISC,1ETABLE,STRESS,LS,1ETABLE,STRAIN,LEPEL,1PRETAB,MFORCE,STRESS,STRAIN11第12.3節實例:超靜定柱子之反力計算Example:StaticallyIndeterminateReactionForceAnalysis1212.
8、3.1問題描述1312.3.2ANSYSProcedure(1/2)01020304050607080910
