平面桁架ansys分析.doc

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1、作业一平面桁架ansys分析用ansys分析图1。设。图11设置计算类型Preferences→selectStructural→OK2选择单元类型Preprocessor→ElementType→Add/Edit/Delete→Add→Link3Dfinitstn180→OK3定义实常数ANSYSMainMenu:Preprocessor→RealConstants…→Add…→selectType1→OK→inputAREA:1→OK→Close(theRealConstantsWindow)4定义材料属性ANSYSMainMenu:Preproce

2、ssor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:2.0e5,PRXY:0.3→Material→Exit5生成几何模型生成关键点，如图2.图2ANSYSMainMenu:Preprocessor→Modeling→Create→Keypoints→InActiveCS→1(3,0),2(0,0),3(0,30)→OK生成桁架ANSYSMainMenu:Preprocessor→Modeling→Create→Lines→Lines→Straight

3、Line→依次连接点2→1→3→1→OK如图3.图36网格划分，如图4.ANSYSMainMenu:Preprocessor→Meshing→MeshTool→(SizeControls)lines:Set→PickAll:OK→inputNDIV:1→OK→(backtothemeshtoolwindow)Mesh:lines→Mesh→PickAll(inPickingMenu)→Close(theMeshToolwindow)图47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:Solution→DefineL

4、oads→Apply→Structural→Displacement→OnKeypoints→拾取2→Apply→selectLab2:ALLDOF→Apply→拾取3→OK→selectLab2:UX→OK给1关键点施加y方向载荷ANSYSMainMenu:Solution→DefineLoads→Apply→Structural→Force/Moment→OnKeypoints→拾取特征点2→OK→Lab:FY,Value:-10→OK图58分析计算ANSYSMainMenu:Solution→Solve→CurrentLS→OK(tocloseth

5、esolveCurrentLoadStepwindow)→OK9结果显示，如图6.ANSYSMainMenu:GeneralPostproc→PlotResults→DeformedShape→selectDef+undeformed→OK(backtoPlotResultswindow)→ContourPlot→NodalSolu…→select:DOFSolution,Y-Componentofdisplacement,Deformedshapewithundeformedmodel→OK图6