有限元ANSYS上机入门操作.docx
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有限元ANSYS上机入门操作
Project1简支梁的变形分析……………………………………………………….1
Project2坝体的有限元建模与受力分析………………………………………….3
Project3受内压作用的球体的应力与变形分析…………………………………..5
Project4受热载荷作用的厚壁圆筒的有限元建模与温度场求解………………..7
Project5超静定桁架的有限元求解………………………………………………..9
Project6超静定梁的有限元求解………………………………………………….11
Project7平板的有限元建模与变形分析…………………………………………13
Project1梁的有限元建模与变形分析
计算分析模型如图1-1所示,习题文件名:
beam。
NOTE:
要求选择不同形状的截面分别进行计算。
图1-1梁的计算分析模型
梁截面分别采用以下三种截面<单位:
m):
矩形截面:
圆截面:
工字形截面:
B=0.1,H=0.15R=0.1w1=0.1,w2=0.1,w3=0.2,b5E2RGbCAP
t1=0.0114,t2=0.0114,t3=0.007
1.1进入ANSYS
程序→AnsysED→Interactive→changetheworkingdirectoryintoyours→inputInitialjobname:
beam→Runp1EanqFDPw
1.2设置计算类型
ANSYSMainMenu:
Preferences→selectStructural→OKDXDiTa9E3d
1.3选择单元类型
ANSYSMainMenu:
Preprocessor→ElementType→Add/Edit/Delete…→Add…→selectBeam2node188→OK(backtoElementTypeswindow>→Close(theElementTypewindow>RTCrpUDGiT
1.4定义材料参数
ANSYSMainMenu:
Preprocessor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:
2.1e11,PRXY:
0.3→OK5PCzVD7HxA
1.5定义截面
ANSYSMainMenu:
Preprocessor→Sections→Beam→CommonSectns→分别定义矩形截面、圆截面和工字形截面:
矩形截面:
ID=1,B=0.1,H=0.15→Apply→圆截面:
ID=2,R=0.1→Apply→工字形截面:
ID=3,w1=0.1,w2=0.1,w3=0.2,t1=0.0114,t2=0.0114,t3=0.007→OKjLBHrnAILg
1.6生成几何模型
✓生成特征点
ANSYSMainMenu:
Preprocessor→Modeling→Create→Keypoints→InActiveCS→依次输入三个点的坐标:
input:
1(0,0>,2(10,0>,3(5,1>→OKxHAQX74J0X
✓生成梁
ANSYSMainMenu:
Preprocessor→Modeling→Create→Lines→lines→Straightlines→连接两个特征点,1(0,0>,2(10,0>→OKLDAYtRyKfE
1.7网格划分
ANSYSMainMenu:
Preprocessor→Meshing→MeshAttributes→Pickedlines→OK→选择:
SECT:
1<根据所计算的梁的截面选择编号);PickOrientationKeypoint(s>:
YES→拾取:
3#特征点(5,1>→OK→MeshTool→SizeControls>lines:
Set→PickAll(inPickingMenu>→inputNDIV:
5→OK(backtoMeshToolwindow>→Mesh→PickAll(inPickingMenu>→Close(theMeshToolwindow>Zzz6ZB2Ltk
1.8模型施加约束
✓最左端节点加约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Displacement→OnNodes→pickthenodeat(0,0>→OK→selectUX,UY,UZ,ROTX→OKdvzfvkwMI1
✓最右端节点加约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Displacement→OnNodes→pickthenodeat(10,0>→OK→selectUY,UZ,ROTX→OKrqyn14ZNXI
✓施加y方向的载荷
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Pressure→OnBeams→PickAll→VALI:
100000→OKEmxvxOtOco
1.9分析计算
ANSYSMainMenu:
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow>→OKSixE2yXPq5
1.10结果显示
ANSYSMainMenu:
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow>→ContourPlot→NodalSolu→select:
DOFsolution,UY,Def+Undeformed,Rotation,ROTZ,Def+Undeformed→OK6ewMyirQFL
1.11退出系统
ANSYSUtilityMenu:
File→Exit→SaveEverything→OK
Project2坝体的有限元建模与应力应变分析
计算分析模型如图2-1所示,习题文件名:
dam。
图2-1坝体的计算分析模型
2.1进入ANSYS
程序→AnsysED→Interactive→changetheworkingdirectoryintoyours→inputInitialjobname:
dam→RunkavU42VRUs
2.2设置计算类型
ANSYSMainMenu:
Preferences→selectStructural→OKy6v3ALoS89
2.3选择单元类型
ANSYSMainMenu:
Preprocessor→ElementType→Add/Edit/Delete→Add→selectSolidQuad4node42→OK(backtoElementTypeswindow>→Options…→selectK3:
PlaneStrain→OK→Close(theElementTypewindow>M2ub6vSTnP
2.4定义材料参数
ANSYSMainMenu:
Preprocessor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:
2.1e11,PRXY:
0.3→OK0YujCfmUCw
2.5生成几何模型
✓生成特征点
ANSYSMainMenu:
Preprocessor→Modeling→Create→Keypoints→InActiveCS→依次输入四个点的坐标:
input:
1(0,0>,2(10,0>,3(1,5>,4(0.45,5>→OKeUts8ZQVRd
✓生成坝体截面
ANSYSMainMenu:
Preprocessor→Modeling→Create→Areas→Arbitrary→ThroughKPS→依次连接四个特征点,1(0,0>,2(10,0>,3(1,5>,4(0.45,5>→OKsQsAEJkW5T
2.6网格划分
ANSYSMainMenu:
Preprocessor→Meshing→MeshTool→(SizeControls>lines:
Set→依次拾取两条横边:
OK→inputNDIV:
15→Apply→依次拾取两条纵边:
OK→inputNDIV:
20→OK→(backtothemeshtoolwindow>Mesh:
Areas,Shape:
Quad,Mapped→Mesh→PickAll(inPickingMenu>→Close(theMeshToolwindow>GMsIasNXkA
2.7模型施加约束
✓分别给下底边和竖直的纵边施加x和y方向的约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Displacement→Onlines→pickthelines→OK→selectLab2:
UX,UY→OKTIrRGchYzg
✓给斜边施加x方向的分布载荷
ANSYS命令菜单栏:
Parameters→Functions→Define/Edit→1>在下方的下拉列表框内选择x,作为设置的变量;2>在Result窗口中出现{X},写入所施加的载荷函数:
1000*{X};3>File>Save(文件扩展名:
func>→返回:
Parameters→Functions→Readfromfile:
将需要的.func文件打开,任给一个参数名,它表示随之将施加的载荷→OK→ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Pressure→OnLines→拾取斜边;OK→在下拉列表框中,选择:
Existingtable→OK→选择需要的载荷参数名→OK7EqZcWLZNX
2.8分析计算
ANSYSMainMenu:
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow>→OKlzq7IGf02E
2.9结果显示
ANSYSMainMenu:
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow>→ContourPlot→NodalSolu…→select:
DOFsolution,UX,UY,Def+Undeformed,Stress,SX,SY,SZ,Def+Undeformed→OKzvpgeqJ1hk
2.10退出系统
ANSYSUtilityMenu:
File→Exit…→SaveEverything→OKNrpoJac3v1
Project3受内压作用的球体的有限元建模与分析
计算分析模型如图3-1所示,习题文件名:
sphere。
图3-1受均匀内压的球体计算分析模型<截面图)
3.1进入ANSYS
程序→AnsysED→Interactive→changetheworkingdirectoryintoyours→inputInitialjobname:
sphere→Run1nowfTG4KI
3.2设置计算类型
ANSYSMainMenu:
Preferences…→selectStructural→OKfjnFLDa5Zo
3.3选择单元类型
ANSYSMainMenu:
Preprocessor→ElementType→Add/Edit/Delete→Add→selectSolidQuad4node42→OK(backtoElementTypeswindow>→Options…→selectK3:
Axisymmetric→OK→Close(theElementTypewindow>tfnNhnE6e5
3.4定义材料参数
ANSYSMainMenu:
Preprocessor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:
2.1e11,PRXY:
0.3→OKHbmVN777sL
3.5生成几何模型
✓生成特征点
ANSYSMainMenu:
Preprocessor→Modeling→Create→Keypoints→InActiveCS→依次输入四个点的坐标:
input:
1(0.3,0>,2(0.5,0>,3(0,0.5>,4(0,0.3>→OKV7l4jRB8Hs
✓生成球体截面
ANSYS命令菜单栏:
WorkPlane>ChangeActiveCSto>GlobalSpherical→ANSYSMainMenu:
Preprocessor→Modeling→Create→Lines→InActiveCoord→依次连接1,2,3,4点→OK→Preprocessor→Modeling→Create→Areas→Arbitrary→ByLines→依次拾取四条边→OK→ANSYS命令菜单栏:
WorkPlane>ChangeActiveCSto>GlobalCartesian83lcPA59W9
3.6网格划分
ANSYSMainMenu:
Preprocessor→Meshing→MeshTool→(SizeControls>lines:
Set→拾取两条直边:
OK→inputNDIV:
10→Apply→拾取两条曲边:
OK→inputNDIV:
20→OK→(backtothemeshtoolwindow>Mesh:
Areas,Shape:
Quad,Mapped→Mesh→PickAll(inPickingMenu>→Close(theMeshToolwindow>mZkklkzaaP
3.7模型施加约束
✓给水平直边施加约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Displacement→OnLines→拾取水平边:
Lab2:
UY→OK,AVktR43bpw
✓给竖直边施加约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→DisplacementSymmetryB.C.→OnLines→拾取竖直边→OKORjBnOwcEd
✓给内弧施加径向的分布载荷
ANSYSMainMenu:
Solution→DefineLoads→Apply→Structural→Pressure→OnLines→拾取小圆弧;OK→inputVALUE:
100e6→OK2MiJTy0dTT
3.8分析计算
ANSYSMainMenu:
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow>→OKgIiSpiue7A
3.9结果显示
ANSYSMainMenu:
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow>→ContourPlot→NodalSolu…→select:
DOFsolution,UX,UY,Def+Undeformed,Stress,SX,SY,SZ,Def+Undeformed→OKuEh0U1Yfmh
3.10退出系统
ANSYSUtilityMenu:
File→Exit…→SaveEverything→OKIAg9qLsgBX
Project4受热载荷作用的厚壁圆筒的有限元建模与温度场求解
计算分析模型如图4-1所示,习题文件名:
cylinder。
图4-1受热载荷作用的厚壁圆筒的计算分析模型<截面图)
4.1进入ANSYS
程序→AnsysED→Interactive→changetheworkingdirectoryintoyours→inputInitialjobname:
cylinder→RunWwghWvVhPE
4.2设置计算类型
ANSYSMainMenu:
Preferences…→selectThermal→OK
4.3选择单元类型
ANSYSMainMenu:
Preprocessor→ElementType→Add/Edit/Delete→Add→selectThermalSolidQuad4node55→OK(backtoElementTypeswindow>→Options…→selectK3:
Axisymmetric→OK→Close(theElementTypewindow>asfpsfpi4k
4.4定义材料参数
ANSYSMainMenu:
Preprocessor→MaterialProps→MaterialModels→Thermal→Conductivity→Isotropic→inputKXX:
7.5→OKooeyYZTjj1
4.5生成几何模型
✓生成特征点
ANSYSMainMenu:
Preprocessor→Modeling→Create→Keypoints→InActiveCS→依次输入四个点的坐标:
input:
1(0.3,0>,2(0.5,0>,3(0.5,1>,4(0.3,1>→OKBkeGuInkxI
✓生成圆柱体截面
ANSYSMainMenu:
Preprocessor→Modeling→Create→Areas→Arbitrary→ThroughKPS→依次连接四个特征点,1(0.3,0>,2(0.5,0>,3(0.5,1>,4(0.3,1>→OKPgdO0sRlMo
4.6网格划分
ANSYSMainMenu:
Preprocessor→Meshing→MeshTool→(SizeControls>lines:
Set→拾取两条水平边:
OK→inputNDIV:
5→Apply→拾取两条竖直边:
OK→inputNDIV:
15→OK→(backtothemeshtoolwindow>Mesh:
Areas,Shape:
Quad,Mapped→Mesh→PickAll(inPickingMenu>→Close(theMeshToolwindow>3cdXwckm15
4.7模型施加约束
✓分别给两条直边施加约束
ANSYSMainMenu:
Solution→DefineLoads→Apply→Thermal→Temperature→OnLines→拾取左边,Value:
500→Apply(backtothewindowofapplytemponlines>→拾取右边,Value:
100→OKh8c52WOngM
4.8分析计算
ANSYSMainMenu:
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow>→OKv4bdyGious
4.9结果显示
ANSYSMainMenu:
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow>→ContourPlot→NodalSolu…→select:
DOFsolution,TemperatureTEMP→OKJ0bm4qMpJ9
4.10退出系统
ANSYSUtilityMenu:
File→Exit…→SaveEverything→OKXVauA9grYP
Project5超静定桁架的有限元建模与分析
计算分析模型如图5-1所示,习题文件名:
truss。
图5-1超静定桁架的计算分析模型
5.1进入ANSYS
程序→AnsysED→Interactive→changetheworkingdirectoryintoyours→inputInitialjobname:
truss→RunbR9C6TJscw
5.2设置计算类型
ANSYSMainMenu:
Preferences→selectStructural→OKpN9LBDdtrd
5.3选择单元类型
ANSYSMainMenu:
Preprocessor→ElementType→Add/Edit/Delete→Add→selectLink2Dspar1→OK(backtoElementTypeswindow>→Options…→selectK3:
PlaneStrain→OK→Close(theElementTypewindow>DJ8T7nHuGT
5.4定义材料参数
ANSYSMainMenu:
Preprocessor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:
2.1e11,PRXY:
0.3→OKQF81D7bvUA
5.5定义实常数
ANSYSMainMenu:
Preprocessor→RealConstants…→Add…→selectType1→OK→inputAREA:
0.25→OK→Close(theRealConstantsWindow>4B7a9QFw9h
5.6生成几何模型
✓生成特征点
ANSYSMainMenu:
Preprocessor→Modeling→Create→Keypoints→InActiveCS→依次输入四个点的坐标:
input:
1(1,1>,2(2,1>,3(3,1>,4(2,0>→OKix6iFA8xoX
✓生成桁架
ANSYSMainMenu:
Preprocessor→Model