见习工程师ANSYS答案级

1、2006.4一、图示一根悬臂梁，梁长2m，截面为工字型，截面尺寸如图所示；梁悬伸末端作用有20kN的集中力；梁的弹性模量为200GPa，泊松比为0.3。试用ANSYS软件求该梁的挠度及应力分布。梁长度方向划分10个单元，采用beam3单元。结果文件存为beam_考号.db。（10分）P = 20kN2 m0.2m0.03m0.2m0.03m0.03m0.2m1 进入ANSYS 以交互模式进入ANSYS，工作文件名为beam_001前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Elem

2、ent TypeAdd/Edit/Delete Addselect Beam 3 OK 4 定义实常数 Preprocessor SectionBeamCommon SectionBeam ToolSub-TypeW1=W2=W3=0.2，T1=T2=T3=0.03Preview0.2m0.03m0.2m0.03m0.03m0.2mPreprocessor Real Constants Add select Type 1 OKinput AREA=0.0162,IZZ=0.945E-4,HEIGHT=0.2 OK Close5 定义材料属性 Preprocessor Material Prop

3、s Material Models Structural Linear Elastic Isotropic input EX:2e11, PRXY:0.3 OK6 生成几何模型 关键点和线 PreprocessorModelingCreateKeypointsIn Active CS1(0,0),2(2,0)OK Preprocessor Modeling Create Lines Lines Straight Line OK7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick

4、 All :OKinput NDIV: 10 OK (back to the mesh tool window)Mesh: lines Mesh Pick All (in Picking Menu) Close求解Solution8 模型施加约束 给1施加约束 Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:ALL DOF OK􀀹 给右端添加集中力Solution Define Loads Apply Structural Force/Moment On

5、 Keypoints 拾取点2OK Lab: FY, Value: -20000OK 9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 ANSYS Main Menu: General Postproc Plot Results Deformed Shape select Def + Undeformed OK (back to Plot Results window) 11 结果显示 存储

6、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）0.2mABC1 m0.2m1 m0.1m1 进入ANSYS 以交互模式进入ANSYS，工作文件名为plane前处

7、理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Addselect Shell 63 OK4 定义实常数 PreprocessorReal ConstantsAddselect Type 1OKShell thickness at I TK(I)= 0.01OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Iso

8、tropic input EX:2E11, PRXY:0.3 OK6 生成几何模型 生成三角形和圆并求差 PreprocessorModelingCreateKeypointsIn Active CS1(0,0),2(1,0) ,3(0,1)OK Preprocessor Modeling Create Lines Lines Straight Line OKPreprocessor Modeling Create Areas Arbitraryby Lines 拾取3条直线OK PreprocessorModelingCreateAreasCircleSolid Circle WPX=0.2

9、,WPY=0.2,Radius=0.1Preprocessor Modeling OperateBooleansSubtractAreas7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) Global: Set SIZE:0.03OK Mesh Pick All OK close求解Solution8 模型施加约束 给边施加约束 Solution Define Loads Apply Structural Displacement On Lines 拾取竖直边Apply select Lab2:ALL D

10、OF OK 给边施加线性分布载荷Solution Define Loads Apply Structural Pressure On Lines 拾取斜边OK VALUE 1000OK 9 分析计算 Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General Postproc Plot Results Contour Plot Nodal Solu select: stress, Von Mises Stress OK 11 结果显

11、示 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为truss前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Add Link 2D spar 1 OK 4 定义实常数 ANSYS Main Menu: Preprocessor Real Constants Add select Type 1 OKinput AREA:0.02 OK Close (the Real

12、Constants Window)5 定义材料属性 ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.07e11, PRXY:0.3 OK6 生成几何模型 生成关键点 ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 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

13、ANSYS Main Menu: Preprocessor Modeling Create Lines Lines Straight Line 依次连接8个特征点 OK7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick All :OKinput NDIV: 1 OK (back to the mesh tool window)Mesh: lines Mesh Pick All (in Picking Menu) Close( the Mesh Tool window) 求解S

14、olution8 模型施加约束 􀀹 分别给1,5两个关键点施加约束 ANSYS Main Menu: Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:ALL DOF OK拾取5OK select Lab2:UY OK 􀀹 给6,7,8关键点施加y方向载荷ANSYS Main Menu: Solution Define Loads Apply Structural Force/Moment On Keypoints 拾取特征点6,7,8

15、OK Lab: FY, Value: -1000OK 9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 ANSYS Main Menu: General Postproc Plot Results Deformed Shape select Def + Undeformed OK (back to Plot Results window) Contour Plot Nodal Solu se

16、lect: DOF solution, UY, Def + Undeformed OK 11 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为solid前处理Preprocessor2 设置计算类型 ANSYS Main Menu: Preferences select Structural OK 3 选择单元类型 ANSYS Main Menu: Preprocessor Element TypeAdd/Edit/Delete Add select Solid Tet 10 node 92 OK (back to Element

17、 Types window) 4 定义实常数 无需定义5 定义材料属性 ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.9e11, PRXY:0.3 OK6 生成几何模型 (1)生成长方体并求和 Preprocessor-> -Modeling-Create -> -Volumes-Block -> By 2 corners & Z 在创建实体块的参数表中输入下列数值: WP X = 0，WP Y =

18、0，Width = 2，Height = -3.125，Depth = 0.125 Apply WP X = 0，WP Y = 0，Width = 2，Height = -0.125， Depth = 3 OK 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-> -Modeling-Create -> -Areas-Arbitrary-> Through KPs拉伸面Preprocessor ->

19、; Modeling-Operate ->Extrude->Areas->Along Normal输入DIST Length of extrusion =-0.125Preprocessor -> Modeling-Operate ->Booleans ->Add ->Volumes (2)生成圆孔并求差Preprocessor-> -Modeling-Create -> -Volumes-Cylinder -> Solid CylinderWP X = 1，WP Y = -1.125，Radius=0.25，Depth =0.3 A

20、pply WP X = 1，WP Y = -2.125，Radius=0.25，Depth =0.3 OK Preprocessor -> Modeling-Operate ->Booleans ->Subtract ->Volumes 对于复杂模型，建议建模后进行保存Save_DB7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Toolsmart size6 Mesh Pick All (in Picking Menu) Close( the Mesh Tool window) 求解Solution8 模型施加约束

21、（1）约束圆孔和后面 ANSYS Main Menu: Solution Define Loads Apply Structural Displacement On Areas 拾取OK select Lab2:ALL DOF OK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 ANSYS Main Menu: Solution Define Loads Apply Structural Displacement On Lines 拾取OK select Lab2:UZ OK 拾取4条边（2）给A面加均布载荷ANS

22、YS Main Menu: Solution Define Loads Apply Structural pressure On Areas 拾取A面 OK 50OK 9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 ANSYS Main Menu: General Postproc Plot Results Contour Plot Nodal Solu select: stress, V

23、on Mises Stress OK 11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为truss_111前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 PreprocessorElement TypeAdd/Edit/DeleteAddLink 2D spar 1OK 4 定义实常数 Preprocessor Real ConstantsAddType 1OK AREA:0.02 OK Close 5 定义材料属性 Preproce

24、ssor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.07e11, PRXY:0.3 OK6 生成几何模型 生成关键点 ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 1(0,0),2(2,0),3(0,2),4(1,2),5(0,4) OK 生成桁架 Preprocessor Modeling Create Lines Lines Straight Line 依次连接5个特征点 OK7 网格划

25、分 Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick All :OKinput NDIV: 1 OK Mesh Pick All (in Picking Menu) Close求解Solution8 模型施加约束 􀀹 分别给1,2两个关键点施加约束 Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:ALL DOF OK拾取2OK select Lab2:UY OK 􀀹

26、; 给3,5点施加y方向载荷ANSYS Main Menu: Solution Define Loads Apply Structural Force/Moment On Keypoints 拾取3 Apply Lab: FX, Value: 4000OK 拾取5 OKLab: FX, Value:2000OK9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 ANSYS Main Menu:

27、 General Postproc Plot Results Deformed Shape select Def + Undeformed OK (back to Plot Results window) Contour Plot Nodal Solu select: DOF solution, UY, Def + Undeformed OK 11 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为plane前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元

28、类型 Preprocessor Element TypeAdd/Edit/Delete Addselect Plane 82 OKoptionsK3: plane str w/thkOK4 定义实常数 PreprocessorReal ConstantsAddselect Type 1OKTHK= 0.01OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:8e10, PRXY:0.33 OK6 生成几何模型 生成矩形并求差 Prepr

29、ocessorModelingCreateAreasRectangleBy 2 cornersWPX=0,WPY=0,Width=0.14,Height=0.06WPX=0,WPY=0.02,Width=0.1,Height=0.02 Preprocessor Modeling OperateBooleansSubtractAreas7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) Global: Set SIZE:0.005OK Mesh Pick All OK close求解Solution8 模型施

30、加约束 给边施加约束 Solution Define Loads Apply Structural Displacement On Lines 拾取Apply select Lab2:ALL DOF OK 给两个节点施加载荷Solution Define Loads Apply Structural Pressure On Nodes 拾取OK 1500OK 9 分析计算 Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General

31、Postproc Plot Results Contour Plot Nodal Solu select: stress, Von Mises Stress OK 11 结果显示 11存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为beam前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Add select Beam 3 OK 4 定义实常数 Preprocessor

32、 SectionBeamCommon Section0.04,0.04PreviewPreprocessor Real Constants Add select Type 1 OKinput AREA=0.0016,IZZ=0.213E-6,HEIGHT=0.04 OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 OK6 生成几何模型 关键点和线 PreprocessorModelingCreateK

33、eypointsIn Active CS1(0,0),2(2,0)OK Preprocessor Modeling Create Lines Lines Straight Line OK7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick All :OKinput NDIV: 20 OK (back to the mesh tool window)Mesh: lines Mesh Pick All (in Picking Menu) Close求解Solution8 模型施加约

34、束 给1施加约束 Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:ALL DOF OK􀀹 给10个单元施加分布载荷Solution Define Loads Apply Structural Pressure On Beams 依次拾取10个单元OK VALI: 1OK 9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step win

35、dow) OK 后处理General Postproc10 结果显示 ANSYS Main Menu: General Postproc Plot Results Deformed Shape select Def + Undeformed OK (back to Plot Results window) Contour Plot Nodal Solu select: DOF solution, UY, Def + Undeformed OK 11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为plane前处理Prep

36、rocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Addselect Plane 82 OKoptionsK3: plane str w/thkOK4 定义实常数 PreprocessorReal ConstantsAddselect Type 1OKTHK= 0.002OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Is

37、otropic input EX:8e10, PRXY:0.33 OK6 生成几何模型 生成矩形并求差 PreprocessorModelingCreateAreasRectangleBy 2 cornersWPX=0,WPY=0,Width=0.14,Height=0.06WPX=0.02,WPY=0.02,Width=0.04,Height=0.02 WPX=0.08,WPY=0.02,Width=0.04,Height=0.02 Preprocessor Modeling OperateBooleansSubtractAreas7 网格划分 ANSYS Main Menu: Prepro

38、cessor Meshing Mesh Tool(Size Controls) Global: Set SIZE:0.005OK Mesh Pick All OK close求解Solution8 模型施加约束 给边施加约束 Solution Define Loads Apply Structural Displacement On Lines 拾取Apply select Lab2:ALL DOF OK 给边施加线性分布载荷Solution Define Loads Apply Structural Pressure On Lines 拾取OK 分别输入-10,0OK 9 分析计算 Solu

39、tion Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General Postproc Plot Results Contour Plot Nodal Solu select: stress, Von Mises Stress OK 11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为beam前处理Preprocessor2 设置计算类型 Preferences select

40、 Structural OK 3 选择单元类型 PreprocessorElement TypeAdd/Edit/DeleteAddselect Beam 3 OK 4 定义实常数 Preprocessor SectionBeamCommon Section0.04,0.04PreviewPreprocessor Real Constants Add select Type 1 OKinput AREA=0.0016,IZZ=0.213E-6,HEIGHT=0.04 OK Close5 定义材料属性 Preprocessor Material Props Material Models Str

41、uctural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 OK6 生成几何模型 关键点和线 PreprocessorModelingCreateKeypointsIn Active CS1(0,0),2(1,0)OK Preprocessor Modeling Create Lines Lines Straight Line OK7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick All :OKinput NDIV:

42、 10 OK (back to the mesh tool window)Mesh: lines Mesh Pick All (in Picking Menu) Close求解Solution8 模型施加约束 给1,2施加约束 Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:UX,UY Apply拾取2Apply select Lab2:UY给5个单元施加分布载荷Solution Define Loads Apply Structural Pressure On Beam

43、s 依次拾取5个单元OK VALI: 10OK 9 分析计算 Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General Postproc Plot Results Deformed Shape select Def + Undeformed OK11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB分析：该问题可以当作平面应力问题（也可创建3D模型用92单元划分）1 进入ANSYS 以交互模式进入ANSYS，工作文

44、件名为plane前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Addselect Plane 82 OKoptionsK3: plane str w/thkOK4 定义实常数 PreprocessorReal ConstantsAddselect Type 1OKTHK= 0.02OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Lin

45、ear Elastic Isotropic input EX:2.2e11, PRXY:0.3 OK6 生成几何模型 生成矩形并求差 PreprocessorModelingCreateAreasRectangleBy 2 cornersWPX=0,WPY=0,Width=1,Height=0.1 PreprocessorModelingCreateAreasCircleSolid Circle WPX=0.5,WPY=0.05,Radius=0.02 Preprocessor Modeling OperateBooleansSubtractAreas7 网格划分 ANSYS Main Men

46、u: Preprocessor Meshing Mesh Tool(Size Controls) Global: Set SIZE:0.01OK Mesh Pick All OK close求解Solution8 模型施加约束 给边施加约束 Solution Define Loads Apply Structural Displacement On Lines 拾取Apply select Lab2:ALL DOF OK 给边施加分布载荷Solution Define Loads Apply Structural Pressure On Lines 拾取OK 输入2000Apply拾取OK 输

47、入-8e-6OK 9 分析计算 Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General Postproc Plot Results Contour Plot Nodal Solu select: stress, Von Mises Stress OK 11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB1 进入ANSYS 以交互模式进入ANSYS，工作文件名为beam前处理Preprocessor2 设置计算类

48、型 Preferences select Structural OK 3 选择单元类型 PreprocessorElement TypeAdd/Edit/DeleteAddselect Beam 3 OK 4 定义实常数 Preprocessor Real Constants Add select Type 1 OKinput AREA=0.0025,IZZ=5.2E-7,HEIGHT=0.05 OK Close5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Isotropic inp

49、ut EX:2.06e11, PRXY:0.3 OK6 生成几何模型 关键点和线 PreprocessorModelingCreateKeypointsIn Active CS1(0,0),2(4.8,0)OK Preprocessor Modeling Create Lines Lines Straight Line OK7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set Pick All :OKinput SIZE: 0.3 OK (back to the mesh tool wi

50、ndow)Mesh: lines Mesh Pick All (in Picking Menu) Close求解Solution8 模型施加约束 给1,2施加约束 Solution Define Loads Apply Structural Displacement On Keypoints 拾取1Apply select Lab2:ALL DOF Apply拾取2Apply select Lab2:ALL DOF给节点施加载荷 Solution Define Loads Apply Structural Force/Moment On Nodes拾取节点输入-500OK 给4个单元施加分布载

51、荷Solution Define Loads Apply Structural Pressure On Beams 依次拾取4个单元OK VALI: 10000OK 9 分析计算 Solution Solve Current LS OK(to close the solve Current Load Step window) OK 后处理General Postproc10 结果显示 General Postproc Plot Results Deformed Shape select Def + Undeformed OK11 结果显示 存储ANSYS数据库.Toolbar: SAVE_DB

52、分析：该问题为平面应变问题1 进入ANSYS 以交互模式进入ANSYS，工作文件名为plane前处理Preprocessor2 设置计算类型 Preferences select Structural OK 3 选择单元类型 Preprocessor Element TypeAdd/Edit/Delete Addselect Plane 42 OKoptionsK3: plane strainOK4 定义实常数 无5 定义材料属性 Preprocessor Material Props Material Models Structural Linear Elastic Isotropic in

53、put EX:2.1e11, PRXY:0.29 OK6 生成几何模型 Preprocessor Modeling Create Keypoints In Active CS 依次输入点的坐标：1（0,0），2（1.5,0），3（1.5,5），4（0.75,5）Preprocessor Modeling Create Areas Arbitrary Through KPs7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) Global: Set SIZE:0.01OK Mesh Pick All OK close求解Solution8 模型施加约束 给边施加约束 Solution Defin