见习工程师ANSYS答案级Word下载.docx
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BeamTool…→Sub-Type→W1=W2=W3=0.2,T1=T2=T3=0.03→Preview
Preprocessor→RealConstants…→Add…→selectType1→OK→inputAREA=0.0162,IZZ=0.945E-4,HEIGHT=0.2→OK→Close
5定义材料属性
Preprocessor→MaterialProps→MaterialModels→Structural→Linear→Elastic→Isotropic→inputEX:
2e11,PRXY:
0.3→OK
6生成几何模型
关键点和线
Preprocessor→Modeling→Create→Keypoints→InActiveCS→1(0,0),2(2,0)→OK
Preprocessor→Modeling→Create→Lines→Lines→StraightLine→OK
7网格划分
ANSYSMainMenu:
Preprocessor→Meshing→MeshTool→(SizeControls)lines:
Set→PickAll:
OK→inputNDIV:
10→OK→(backtothemeshtoolwindow)Mesh:
lines→Mesh→PickAll(inPickingMenu)→Close
求解Solution
8模型施加约束
给1施加约束
Solution→DefineLoads→Apply→Structural→Displacement→OnKeypoints→拾取1→Apply→selectLab2:
ALLDOF→OK
给右端添加集中力
Solution→DefineLoads→Apply→Structural→Force/Moment→OnKeypoints→拾取点2→OK→Lab:
FY,Value:
-20000→OK
9分析计算
ANSYSMainMenu:
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow)→OK
后处理GeneralPostproc
10结果显示
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow)
11结果显示
存储ANSYS数据库.Toolbar:
SAVE_DB
二、一等腰直角三角形薄板如图所示,已知直角边AB和BC的长度为1m,板厚为0.01m;
在板上图示位置有一半经为0.1m的通孔;
薄板左侧一条直角边固定,在斜边AC上施加压强为1000Pa的载荷,载荷方向与AC相垂直;
薄板的弹性模量为200Gpa,泊松比为0.3。
试用ANSYS软件的SHELL63单元,三角形板总体网格划分尺寸为0.03m。
求出薄板的变形形状、应力分布,将结果存放在数据文件中,文件名取为shell_考号.db。
(15分)
以交互模式进入ANSYS,工作文件名为plane
Preprocessor→ElementType→Add/Edit/Delete→Add→selectShell63→OK
Preprocessor→RealConstants…→Add…→selectType1→OK→ShellthicknessatITK(I)=0.01→OK→Close
2E11,PRXY:
生成三角形和圆并求差
Preprocessor→Modeling→Create→Keypoints→InActiveCS→1(0,0),2(1,0),3(0,1)→OK
Preprocessor→Modeling→Create→Lines→Lines→StraightLine→OK
Preprocessor→Modeling→Create→Areas→Arbitrary→byLines→拾取3条直线→OK
Preprocessor→Modeling→Create→Areas→Circle→SolidCircle
WPX=0.2,WPY=0.2,Radius=0.1
Preprocessor→Modeling→Operate→Booleans→Subtract→Areas
Preprocessor→Meshing→MeshTool→(SizeControls)Global:
Set→SIZE:
0.03→OK→Mesh→PickAll→OK→close
给边施加约束
Solution→DefineLoads→Apply→Structural→Displacement→OnLines→拾取竖直边→Apply→selectLab2:
ALLDOF→OK
给边施加线性分布载荷
Solution→DefineLoads→Apply→Structural→Pressure→OnLines→拾取斜边→OK→VALUE1000→OK
Solution→Solve→CurrentLS→OK(toclosethesolveCurrentLoadStepwindow)→OK
GeneralPostproc→PlotResults→ContourPlot→NodalSolu…→select:
stress,VonMisesStress→OK11结果显示
2007.11.11
以交互模式进入ANSYS,工作文件名为truss
Preprocessor→ElementType→Add/Edit/Delete→Add→Link2Dspar1→OK
Preprocessor→RealConstants…→Add…→selectType1→OK→inputAREA:
0.02→OK→Close(theRealConstantsWindow)
2.07e11,PRXY:
生成关键点
Preprocessor→Modeling→Create→Keypoints→InActiveCS→1(0,0),2(2,0),3(4,0),4(6,0),5(8,0),6(2,1),7(6,1),8(4,2)→OK
生成桁架
Preprocessor→Modeling→Create→Lines→Lines→StraightLine→依次连接8个特征点→OK
1→OK→(backtothemeshtoolwindow)Mesh:
lines→Mesh→PickAll(inPickingMenu)→Close(theMeshToolwindow)
分别给1,5两个关键点施加约束
Solution→DefineLoads→Apply→Structural→Displacement→OnKeypoints→拾取1→Apply→selectLab2:
ALLDOF→OK→拾取5→OK→selectLab2:
UY→OK
给6,7,8关键点施加y方向载荷
Solution→DefineLoads→Apply→Structural→Force/Moment→OnKeypoints→拾取特征点6,7,8→OK→Lab:
-1000→OK
GeneralPostproc→PlotResults→DeformedShape…→selectDef+Undeformed→OK(backtoPlotResultswindow)→ContourPlot→NodalSolu…→select:
DOFsolution,UY,Def+Undeformed→OK
11存储ANSYS数据库.Toolbar:
以交互模式进入ANSYS,工作文件名为solid
Preprocessor→ElementType→Add/Edit/Delete→Add→selectSolidTet10node92→OK(backtoElementTypeswindow)
无需定义
2.9e11,PRXY:
(1)生成长方体并求和
Preprocessor->
-Modeling-Create->
-Volumes-Block->
By2corners&
Z
在创建实体块的参数表中输入下列数值:
WPX=0,WPY=0,Width=2,Height=-3.125,Depth=0.125Apply
WPX=0,WPY=0,Width=2,Height=-0.125,Depth=3OK
Preprocessor->
Modeling-Operate->
Booleans->
Add->
Volumes
注意变换显示方式——Iso
(2)生成肋板并求和
创建三角形面
Preprocessor->
-Areas-Arbitrary->
ThroughKPs
拉伸面
Preprocessor->
Extrude->
Areas->
AlongNormal
输入DISTLengthofextrusion=-0.125
(2)生成圆孔并求差
-Volumes-Cylinder->
SolidCylinder
WPX=1,WPY=-1.125,Radius=0.25,Depth=0.3Apply
WPX=1,WPY=-2.125,Radius=0.25,Depth=0.3OK
Subtract->
Volumes
对于复杂模型,建议建模后进行保存Save_DB
Preprocessor→Meshing→MeshTool→smartsize6→Mesh→PickAll(inPickingMenu)→Close(theMeshToolwindow)
(1)约束圆孔和后面
Solution→DefineLoads→Apply→Structural→Displacement→OnAreas→拾取→OK→selectLab2:
拾取4个柱面说明:
在拾取时,按住鼠标的左键便有实体增亮显示,拖动鼠标时显示的实体随之改变,此时松开左键即选中此实体。
单击OK
Solution→DefineLoads→Apply→Structural→Displacement→OnLines→拾取→OK→selectLab2:
UZ→OK
拾取4条边
(2)给A面加均布载荷
Solution→DefineLoads→Apply→Structural→pressure→OnAreas→拾取A面→OK→50→OK
GeneralPostproc→PlotResults→ContourPlot→NodalSolu…→select:
stress,VonMisesStress→OK
2008.11.9
以交互模式进入ANSYS,工作文件名为truss_111
Preprocessor→ElementType→Add/Edit/Delete→Add→Link2Dspar1→OK
Preprocessor→RealConstants…→Add…→Type1→OK→AREA:
0.02→OK→Close
Preprocessor→Modeling→Create→Keypoints→InActiveCS→1(0,0),2(2,0),3(0,2),4(1,2),5(0,4)→OK
Preprocessor→Modeling→Create→Lines→Lines→StraightLine→依次连接5个特征点→OK
Preprocessor→Meshing→MeshTool→(SizeControls)lines:
1→OK→Mesh→PickAll(inPickingMenu)→Close
分别给1,2两个关键点施加约束
ALLDOF→OK→拾取2→OK→selectLab2:
给3,5点施加y方向载荷
Solution→DefineLoads→Apply→Structural→Force/Moment→OnKeypoints→拾取3→Apply→Lab:
FX,Value:
4000→OK→拾取5→OK→Lab:
2000→OK
Preprocessor→ElementType→Add/Edit/Delete→Add→selectPlane82→OK→options→K3:
planestrw/thk→OK
Preprocessor→RealConstants…→Add…→selectType1→OK→THK=0.01→OK→Close
8e10,PRXY:
0.33→OK
生成矩形并求差
Preprocessor→Modeling→Create→Areas→Rectangle→By2corners
WPX=0,WPY=0,Width=0.14,Height=0.06
WPX=0,WPY=0.02,Width=0.1,Height=0.02
Preprocessor→Modeling→Operate→Booleans→Subtract→Areas
0.005→OK→Mesh→PickAll→OK→close
Solution→DefineLoads→Apply→Structural→Displacement→OnLines→拾取→Apply→selectLab2:
给两个节点施加载荷
Solution→DefineLoads→Apply→Structural→Pressure→OnNodes→拾取→OK→1500→OK
11存储ANSYS数据库.Toolbar:
2009.5.10