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1、作業(yè)一平面桁架ansys分析用ansys分析圖1。設(shè)￡=2.0xl(TM/Vz，A=1.0cm2o習(xí)題4.3圖11設(shè)置計算類型Preferences-^selectStructural-*OK2選擇單元類型Preprocessor一ElementType—Add/Edit/Delete—Add一Link3Dfinitstn180—OK3定義實常數(shù)ANSYSMainMenu:Preprocessor?RealConstants...-^Add...—selectType1-^OK-^inputAREA:1—OK—Close(theRealConstantsWindow)4定義材
2、料屬性ANSYSMainMenu:Preprocessor—MaterialProps—MaterialModels-^StructuralLinear—Elastic-*Isotropic-*inputEX:2.0e5,PRXY:0.3-*Material-*Exit5生成幾何模型生成關(guān)鍵點，如圖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―依次連接點2—1一3—1—OK如圖3.5IMTSfPENUMAN5Y5R15.0DEC14201515:09:546網(wǎng)格劃分，如圖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模型施加約束與載荷，如圖5.分別給1，3兩個關(guān)鍵點施加約束ANSYSMainMenu:SolutionDefineLoads—ApplyStructuralDisplacement-^OnKeypoints拾取2-*Apply-^selectLab2:ALLDOF—Apply—拾取3-^OK-^selectLab2:llX->OK給1關(guān)鍵點施加y方向載荷ANSYSMainMenu:Solution—DefineLoads—ApplyStructural—Force/Mo
5、ment—OnKeypoints拾取特征點2~*OKLab:FY,Value:-10—OKLFMFNTSR15.(DEC14201515:11:57圖58分析計算ANSYSMainMenu:Solution—SolveCurrentLS-^OKftoclosethesolveCurrentLoadStepwindow)-^OK9結(jié)果顯示，如圖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
