1、本科生ANSYS61ED上机指南“有限元分析及应用”本科生课程有限元分析软件ANSYS6.1ed上 机 指 南湖北工业大学工程力学系2010年9月目 录Project1 简支梁的变形分析.1Project2 坝体的有限元建模与受力分析.3Project3 受内压作用的球体的应力与变形分析.5Project4 受热载荷作用的厚壁圆筒的有限元建模与温度场求解.7Project5 超静定桁架的有限元求解.9Project6 超静定梁的有限元求解.11Project7 平板的有限元建模与变形分析 13Project1 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。NO
2、TE: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=0.15 R=0.1 w1=0.1，w2=0.1，w3=0.2, t1=0.0114，t2=0.0114，t3=0.0071.1 进入ANSYS程序 AnsysED 6.1 Interactive change the working directory into yours input Initial jobname: beamRun1.2设置计算类型 ANSYS Main Menu: Preferences select Struc
3、tural OK1.3选择单元类型ANSYS Main Menu: Preprocessor Element TypeAdd/Edit/Delete Add select Beam 2 node 188 OK (back to Element Types window) Close (the Element Type window)1.4定义材料参数ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 O
4、K1.5定义截面ANSYS Main Menu: Preprocessor Sections Beam Common Sectns 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 OK 1.6生成几何模型 生成特征点 ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 依次输入三个点的坐标：input
5、:1(0,0),2(10,0),3(5,1) OK 生成梁ANSYS Main Menu: Preprocessor Modeling Create Lines lines Straight lines 连接两个特征点，1(0,0),2(10,0) OK1.7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Attributes Picked lines OK 选择: SECT:1（根据所计算的梁的截面选择编号）；Pick Orientation Keypoint(s):YES拾取：3#特征点(5,1) OKMesh Tool Size Cont
6、rols) lines: Set Pick All(in Picking Menu) input NDIV:5 OK (back to Mesh Tool window) Mesh Pick All (in Picking Menu) Close (the Mesh Tool window)1.8 模型施加约束 最左端节点加约束ANSYS Main Menu: Solution Define Loads Apply Structural Displacement On Nodes pick the node at (0,0) OK select UX, UY,UZ,ROTX OK 最右端节点加
7、约束ANSYS Main Menu: Solution Define Loads Apply Structural Displacement On Nodes pick the node at (10,0) OK select UY,UZ,ROTX OK 施加y方向的载荷ANSYS Main Menu: Solution Define Loads Apply Structural Pressure On Beams Pick All VALI:100000 OK1.9 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the
8、 solve Current Load Step window) OK1.10 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 , Rotation, ROTZ ,Def + UndeformedOK1.11 退出系统 ANSYS Utility Menu: Fil
9、e Exit Save EverythingOKProject2 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21 坝体的计算分析模型2.1 进入ANSYS程序 AnsysED 6.1 Interactive change the working directory into yours input Initial jobname: damRun2.2设置计算类型 ANSYS Main Menu: Preferences select Structural OK2.3选择单元类型ANSYS Main Menu: Preprocessor Element
10、 TypeAdd/Edit/Delete Add select Solid Quad 4node 42 OK (back to Element Types window) Options select K3: Plane Strain OKClose (the Element Type window)2.4定义材料参数ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 OK2.5生成几何模型 生成特征点
11、ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 依次输入四个点的坐标：input:1(0,0),2(10,0),3(1,5),4(0.45,5) OK 生成坝体截面ANSYS Main Menu: Preprocessor Modeling Create Areas Arbitrary Through KPS 依次连接四个特征点，1(0,0),2(10,0),3(1,5),4(0.45,5) OK2.6 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Too
12、l(Size Controls) lines: Set 依次拾取两条横边:OKinput NDIV: 15 Apply依次拾取两条纵边:OK input NDIV: 20 OK (back to the mesh tool window)Mesh: Areas, Shape: Quad, Mapped Mesh Pick All (in Picking Menu) Close( the Mesh Tool window)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ANSYS Main Menu: Solution Define Loads Apply Structural
13、 Displacement On lines pick the lines OK select Lab2:UX, UY OK 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) FileSave(文件扩展名：func) 返回：Parameters Functions Read from file：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 ANSYS Main Menu:
14、Solution Define Loads Apply Structural Pressure On Lines 拾取斜边；OK 在下拉列表框中，选择：Existing table OK 选择需要的载荷参数名OK2.8 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK2.9 结果显示 ANSYS Main Menu: General Postproc Plot Results Deformed Shape select Def + Undeform
15、ed OK (back to Plot Results window)Contour Plot Nodal Solu select: DOF solution, UX,UY, Def + Undeformed , Stress ,SX,SY,SZ, Def + UndeformedOK2.10 退出系统 ANSYS Utility Menu: File Exit Save EverythingOKProject3 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 AnsysE
16、D 6.1 Interactive change the working directory into yours input Initial jobname: sphereRun3.2设置计算类型 ANSYS Main Menu: Preferences select Structural OK3.3选择单元类型ANSYS Main Menu: Preprocessor Element TypeAdd/Edit/Delete Add select Solid Quad 4node 42 OK (back to Element Types window) Options select K3:
17、Axisymmetric OKClose (the Element Type window)3.4定义材料参数ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 OK3.5生成几何模型 生成特征点ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 依次输入四个点的坐标：input:1(0.3,0),2(0.5,0),3
18、(0,0.5),4(0,0.3) OK 生成球体截面ANSYS 命令菜单栏: Work PlaneChange Active CS toGlobal Spherical ANSYS Main Menu: Preprocessor Modeling Create Lines In Active Coord 依次连接1,2,3,4点OK Preprocessor Modeling Create Areas Arbitrary By Lines 依次拾取四条边OK ANSYS 命令菜单栏: Work PlaneChange Active CS toGlobal Cartesian3.6 网格划分 A
19、NSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set 拾取两条直边:OKinput NDIV: 10 Apply拾取两条曲边:OK input NDIV: 20 OK (back to the mesh tool window)Mesh: Areas, Shape: Quad, Mapped Mesh Pick All (in Picking Menu) Close( the Mesh Tool window)3.7 模型施加约束 给水平直边施加约束ANSYS Main Menu: Solution D
20、efine Loads Apply Structural Displacement On Lines 拾取水平边：Lab2: UY OK， 给竖直边施加约束ANSYS Main Menu: Solution Define Loads Apply Structural Displacement Symmetry B.C. On Lines 拾取竖直边 OK 给内弧施加径向的分布载荷ANSYS Main Menu: Solution Define Loads Apply Structural Pressure On Lines 拾取小圆弧；OK input VALUE:100e6 OK 3.8 分
21、析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK3.9 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, UX,UY, Def + Undeformed , Str
22、ess ,SX,SY,SZ,Def + UndeformedOK3.10 退出系统 ANSYS Utility Menu: File Exit Save EverythingOKProject4 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 6.1 Interactive change the working directory into yours input Initial jobname: cylinder Run4.2设置计
23、算类型 ANSYS Main Menu: Preferences select Thermal OK4.3选择单元类型ANSYS Main Menu: Preprocessor Element TypeAdd/Edit/Delete Add select Thermal Solid Quad 4node 55 OK (back to Element Types window) Options select K3: Axisymmetric OKClose (the Element Type window)4.4定义材料参数ANSYS Main Menu: Preprocessor Materi
24、al Props Material Models Thermal Conductivity Isotropic input KXX:7.5 OK4.5生成几何模型 生成特征点ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 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) OK 生成圆柱体截面ANSYS Main Menu: Preprocessor Modeling Create Areas Arbitrary Through KPS 依次连接四个特
25、征点，1(0.3,0),2(0.5,0),3(0.5,1),4(0.3,1) OK4.6 网格划分 ANSYS Main Menu: Preprocessor Meshing Mesh Tool(Size Controls) lines: Set 拾取两条水平边:OKinput NDIV: 5 Apply拾取两条竖直边:OK input NDIV: 15 OK (back to the mesh tool window)Mesh: Areas, Shape: Quad, Mapped Mesh Pick All (in Picking Menu) Close( the Mesh Tool wi
26、ndow)4.7 模型施加约束 分别给两条直边施加约束ANSYS Main Menu: Solution Define Loads Apply Thermal Temperature On Lines 拾取左边, Value: 500 Apply(back to the window of apply temp on lines) 拾取右边，Value：100 OK 4.8 分析计算 ANSYS Main Menu: Solution Solve Current LS OK(to close the solve Current Load Step window) OK4.9 结果显示 ANSY
27、S Main Menu: General Postproc Plot Results Deformed Shape select Def + Undeformed OK (back to Plot Results window)Contour Plot Nodal Solu select: DOF solution, Temperature TEMP OK4.10 退出系统 ANSYS Utility Menu: File Exit Save EverythingOKProject5 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51 超静定桁架的计
28、算分析模型5.1 进入ANSYS程序 AnsysED 6.1 Interactive change the working directory into yours input Initial jobname: trussRun5.2设置计算类型 ANSYS Main Menu: Preferences select Structural OK5.3选择单元类型ANSYS Main Menu: Preprocessor Element TypeAdd/Edit/Delete Add select Link 2D spar 1 OK (back to Element Types window)
29、Options select K3: Plane Strain OKClose (the Element Type window)5.4定义材料参数ANSYS Main Menu: Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX:2.1e11, PRXY:0.3 OK5.5定义实常数 ANSYS Main Menu: Preprocessor Real Constants Add select Type 1 OKinput AREA:0.25 OK Close (t
30、he Real Constants Window)5.6生成几何模型 生成特征点ANSYS Main Menu: Preprocessor Modeling Create Keypoints In Active CS 依次输入四个点的坐标：input:1(1,1),2(2,1),3(3,1),4(2,0) OK 生成桁架ANSYS Main Menu: Preprocessor Modeling Create Lines Lines Straight Line 依次连接四个特征点，1(1,1),2(2,1),3(3,1),4(2,0) OK5.7 网格划分 ANSYS Main Menu: Preprocessor Meshing Mes
