平面桁架ansys分析

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1、作业一平面桁架ansys分析用ansys分析图1。设£=2.0xl(TM/Vz，A=1.0cm2o习题4.3图11设置计算类型Preferences-^selectStructural-*OK2选择单元类型Preprocessor一ElementType—Add/Edit/Delete—Add一Link3Dfinitstn180—OK3定义实常数ANSYSMainMenu:Preprocessor〜RealConstants...-^Add...—selectType1-^OK-^inputAREA:1—OK—Close(theRealConstantsWindow)4定义材

2、料属性ANSYSMainMenu:Preprocessor—MaterialProps—MaterialModels-^StructuralLinear—Elastic-*Isotropic-*inputEX:2.0e5,PRXY:0.3-*Material-*Exit5生成几何模型生成关键点，如图2.ANSYSR15.ODEC1420X5XSs06:59ANSYSMainMenu:Preprocessor—Modeling—Create-^Keypoints-^InActiveCS1(3,0),2(0,0),3(0,30)—OK生成桁架ANSYSMainMenu:Prepr

3、ocessor-^ModelingCreate—LinesLines—StraightLine―依次连接点2—1一3—1—OK如图3.5IMTSfPENUMAN5Y5R15.0DEC14201515:09:546网格划分，如图4.ANSYSMainMenu:Preprocessor—Meshing—MeshTool—(SizeControls)lines:Set—PickAllzOK^inputNDIV:1—OK—(backtothemeshtoolwindow)l/lesh:lines—^Mesh-^PickAll(inPickingMenu)-^CloseftheMes

4、hToolwindow)POINTSTYPENUMANSYSR15.0DEC14201515:09:5437模型施加约束与载荷，如图5.分别给1，3两个关键点施加约束ANSYSMainMenu:SolutionDefineLoads—ApplyStructuralDisplacement-^OnKeypoints拾取2-*Apply-^selectLab2:ALLDOF—Apply—拾取3-^OK-^selectLab2:llX->OK给1关键点施加y方向载荷ANSYSMainMenu:Solution—DefineLoads—ApplyStructural—Force/Mo

5、ment—OnKeypoints拾取特征点2~*OKLab:FY,Value:-10—OKLFMFNTSR15.(DEC14201515:11:57图58分析计算ANSYSMainMenu:Solution—SolveCurrentLS-^OKftoclosethesolveCurrentLoadStepwindow)-^OK9结果显示，如图6.ANSYSMainMenu:GeneralPostproc—PlotResultsDeformedShapeselectDef+undeformed-^OK(backtoPlotResultswindow)—ContourPlot-^

6、NodalSolu...-^select:DOFSolution,Y-Componentofdisplacement,Deformedshapewithundeformedmodel-^OKNODALSOLUTIONSTEP-1ANSYSR15.0SOB-1TIME-1OY(AVG)RSYS-0CMX-.012293SMN■••012DEC14201515:31:16-.012-.009333-.006667-.004'001333-.010€67-.008-.00S333-.0026670