Ansys计算温度场操作流程

1 Instruction of Ansys temperature field calculation Question 1 Consider an infinite in one direction plate with initial temperature T0 One end of the plate is exposed to the environment of which the temperature is Te III type boundary condition Analyze the temperature distribution in the plate during the period of 2000s 问题 1 考虑一个方向无限长的平板 初始温度为 T0 一段暴露在温度为 Te的环境中 分 析其在 2000s 内温度分布情况 Basic parameters 基本物性参数基本物性参数 Geometry 几何 a 1 m b 0 1 m Material 材料 54 W m oC 7800 kg m3 cp 465 J kg oC Loads 载荷 T0 0 oC Te 1000 oC h 50 W m2 oC Jobname and directory settings 设置文件名 存储路径设置文件名 存储路径 Menu File Change Jobname Menu File Change Directory Preprocessing 前处理前处理 1 Define Element Type 定义单元类型定义单元类型 Preprocessor Element Type Add Edit Delete Add Thermal Mass Solid Quad 4node 55 2 Set Material Properties 设置材料属性设置材料属性 Preprocessor Material Props Material Models Thermal Conductivity Isotropic KXX 54 Thermal Density 7800 Thermal Specific Heat 465 2 Modeling 建模建模 1 Create Node 1 建立节点建立节点 1 Preprocessor Modeling Create Nodes In Active CS No 1 x y z 0 0 0 2 Create Node 12 建立节点建立节点 12 Preprocessor Modeling Create Nodes In Active CS No 2 x y z 0 1 0 3 Fill Between Node 1 and 12 在节点在节点 1 12 间填充其余节点间填充其余节点 Preprocessor Modeling Create Nodes Fill Between Nds Number of nodes to fill 10 Spacing ratio 1 均匀网格 4 Create Node 13 24 by copying 复制生成节点复制生成节点 13 24 Preprocessor Modeling Copy Nodes Copy Pick All 选择所有节点 Total number of copies 2 复制 2 份 包含原先的 1 份 X offset 0 1 设置 X 方向偏移量 5 Create Element 1 生成单元生成单元 1 Preprocessor Modeling Create Elements Auto Numbered Thru Nodes Select 1 13 14 2 with mouse 6 Copy Element 2 10 by copying 复制生成其余单元复制生成其余单元 Preprocessor Modeling Copy Elements Auto Numbered Pick All 选择所有单元 Total number of copies 11 复制 11 份 包含原先的 1 份 Node number increment 1 设置节点增量 Applying Loads 加载 设置边界条件和初始条件 加载 设置边界条件和初始条件 1 Apply convention loads on Node 12 and 24 在节点在节点 12 24 上加对流载荷上加对流载荷 Preprocessor Loads Define Loads Apply Thermal Convection On Nodes Pick 12 24 VALI Film coefficient 50 换热系数 VAL2L Bulk temperature 1000 环境温度 2 Set initial temperature uniform temperature 设置初始条件 均匀温度 设置初始条件 均匀温度 Solution Define Loads Settings Uniform Temp Uniform Temperature 0 Solution 求解求解 1 Set Analysis Type as Transient 设置分析类型为瞬态分析设置分析类型为瞬态分析 Solution Analysis Type New Analysis Transient 3 2 Set solution controls 设置分析控制参数设置分析控制参数 Solution Analysis Type Sol n Controls Transient Label Stepped Loading Basic Label Time at end of loadstep 10000 Automatic time stepping on Time increment 10 Frequency Write every substep 3 Solve 求解求解 Solution Solve Current LS Viewing Results 查看结果查看结果 1 TimeHist Postpro 时间历程后处理器时间历程后处理器 Add data添加数据 TimeHist Postpro Add data Nodal Solution DOF Solution Nodal Temperature Variable Name T1 Node 1 Variable Name T5 Node 5 Variable Name T9 Node 9 Variable Name T11 Node 11 2 List Graph 列表列表 作图作图 Select the variables 选择变量 List data Graph data 3 Save image 保存图片保存图片 Menu PlotCtrls Capture Image File Save as 4 General Postpro 通用后处理器通用后处理器 Select the data of certain time选择某一时刻的数据 General Postpro Read Results By pick Plot the contour map of temperature distribution绘制该时刻温度分布等值线图 General Postpro Plot Results Contour Plot Nodal Solu Nodal Solution DOF Solution Temperature 5 Save image 保存图片保存图片 Menu PlotCtrls Capture Image File Save as 6 Animate 生成动画生成动画 Menu PlotCtrls Animate Over Time Number of animation frames 100 Question 2 Consider a solid cylinder with initial temperature T0 The top surface of the cylinder is exposed to the environment of which the temperature is Te III type boundary condition and the other surfaces are heat insulation II type boundary condition Analyze the temperature distribution in the cylinder during the period of 1000s 问题 2 考虑一个初始温度为 T0的圆柱体 一段暴露在温度为 Te的环境中 其余界面视为 绝热 分析其在 1000s 内温度分布情况 4 Basic parameters 基本物性参数基本物性参数 Geometry 几何 r 0 025 m h 0 05 m Material 材料 25 W m oC 7800 kg m3 cp 500 J kg oC Loads 载荷 T0 25 oC Te 100 oC h 100 W m2 oC Jobname and directory settings 设置文件名 存储路径设置文件名 存储路径 Menu File Change Jobname Menu File Change Directory Preprocessing 前处理前处理 1 Define Element Type 定义单元类型定义单元类型 Preprocessor Element Type Add Edit Delete Thermal Mass Solid Brick 8node 70 2 Set Material Properties 设置材料属性设置材料属性 Preprocessor Material Props Material Models Thermal Conductivity Isotropic KXX 25 Thermal Density 7800 Thermal Specific Heat 500 Modeling 建模建模 1 Create the cylinder model 建立圆柱体模型建立圆柱体模型 Preprocessor Modeling Create Volumes Cylinder Solid Cylinder WP X 0 WP Y 0 Radius 0 025 Depth 0 05 2 Adjust the view 调整视图调整视图 Right Toolbar Isometric View 3 Mesh 划分网格划分网格 Preprocessor Meshing MeshTool SmartSize optional Mesh select the cylinder 选择圆柱体 5 Applying Loads 加载加载 1 Apply convention loads on the top 在上表面加对流载荷在上表面加对流载荷 Preprocessor Loads Define Loads Apply Thermal Convection On Areas Pick the top surface by mouse 选择上表面 用鼠标 VALI Film coefficient 100 换热系数 VAL2L Bulk temperature 100 环境温度 2 Set initial temperature uniform temperature 设置初始条件 均匀温度 设置初始条件 均匀温度 Solution Define Loads Settings Uniform Temp Uniform Temperature 25 Solution 求解求解 1 Set Analysis Type as Transient 设置分析类型为瞬态分析设置分析类型为瞬态分析 Solution Analysis Type New Analysis Transient 2 Set solution controls 设置分析控制参数设置分析控制参数 Solution Analysis Type Sol n Controls Transient Label Stepped Loading Basic Label Time at end of loadstep 1000 Automatic time stepping on Time increment 10 Frequency Write every substep 3 Solve 求解求解 Solution Solve Current LS Viewing Results 查看结果查看结果 1 General Postpro 通用后处理器通用后处理器 Select the data of certain time选择某一时刻的数据 General Postpro Read Results By pick Plot the co