《ANSYS6.1上 机 指 南.doc》由会员分享,可在线阅读,更多相关《ANSYS6.1上 机 指 南.doc(16页珍藏版)》请在第一文库网上搜索。
1、有限元分析软件ANSYS6.1ed上 机 指 南目 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 13IProject1 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
2、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 Structural OK1.3选择单元类型ANSYS Main Menu: Preprocessor E
3、lement 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 OK1.5定义截面ANSYS Main Menu: Preprocessor Sections B
4、eam 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:1(0,0),2(10,0),3(5,1) OK 生成梁ANSYS Main Menu: Pr
5、eprocessor 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 Controls) lines: Set Pick All(in Picking Menu) input
6、 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 最右端节点加约束ANSYS Main Menu: Solution Define Loads Apply S
7、tructural 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 solve Current Load Step window) OK1.10 结果显示 ANS
8、YS 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: File Exit Save EverythingOKProject2 坝体的有限元建模与应力应变分析
9、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 TypeAdd/Edit/Delete Add select Solid Quad 4node
10、 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ANSYS Main Menu: Preprocessor Modeling Create Ke
11、ypoints 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 Tool(Size Controls) lines: Set 依次拾取两条横边:OKinput NDIV
12、: 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 Displacement On lines pick the lines OK select L
13、ab2: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: Solution Define Loads Apply Structural Pressure O
14、n 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 + Undeformed OK (back to Plot Results window)Contour Plot Nodal Solu select: DOF solution, UX,UY, Def + Undeformed , Stress ,SX,