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1、Workbench-SimulationHeatTransfer11.0Workshop10流体热单元和热应力分析July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-1分析WorkshopSupplement•一个有内部热源的物块(4mx10mx1m)，通过三个水流通道(直径0.25m)进行冷却。•计算流体的最大温度和全部的
2、热流•通道由一维流体热单元“Pipe”进行建模水流通道以线框方式查看July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-2分析参数WorkshopSupplement•材料属性ρVDh–使用钢材料Re=μ•顶部表面热源:–2.0x105Watts.2•水流和钢之间的对流热传导系数:ρVπDh2m=–假设其值为100watts
3、/m-C4•已知通道中水流的Reynolds数为50,000。.Red–管道单元的输入为质量流速。在这些计μπm=算中，假设速度为10101.0x10-3Pa-s。4.(50000)(.001)(3.14159)(.25)m==9.8kg/s4July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-3启动几何文件Workshop
4、Supplement•双击几何文件passages.agdb•查看实体模型。附加三条线，用来表示水流。–Solid–Center,Right,Left•查看参数管理器中的内容•返回到Project页，然后启动一个新的仿真分析。高亮July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-4仿真WorkshopSupplement使
5、用米作为长度单位July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-5指定水的材料属性WorkshopSupplement•在Geometry下，高亮“Center”，找到默认设置—StructuralSteel。•在水的细节栏中，左击StructuralSteel然后选择新材料…•右击NMtilNewMaterial，输入
6、值并重命名为WtWater。July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-6设置材料属性WorkshopSupplement•类似的，设置其他两条水流通道的材料属性…–在Right和Left下，将SlStructuralSSteell替代为Water。July14,2008Workbench-SimulationHea
7、tTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-7钢的材料属性WorkshopSupplement•接受Simulation定义的钢材料属性。July14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-8分析类型W
8、orkshopSupplement•NewAnalysis–SteadyStateThermalJuly14,2008Workbench-SimulationHeatTransferInventory#002557©2008ANSYS,Inc.Allrightsreserved.ANSYS,Inc.ProprietaryWS10-9水流的几何–命令行WorkshopSupplement•单元类型:–默认情况下，Simullti
