资源描述:
《ansys 热分析例题》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、Ansys12.1example材料的热物理性能砂模铸钢物理量数值物理量数值导热系数/(Btu/(h·in·oF))0.025温度/oF0264327502875密度/(lb/in3)0.254导热系数/(Btu/(h·in·oF))1.441.541.221.22比热容/(Btu/(lb·oF))0.28焓/(Btu/in3)0128.1163.8174.21.改文件名File>changejobname>anexampleofthermal2.改保存路径Changedirection>你要保存到的文件夹(例如:D:ans
2、ysexample)3.改标题Changetitle>thermal4.Polt>repolt(左下显示thermal)创建有限元模型——前处理1.定义分析类型preferences>Thermal>[OK]2.定义单元类型Preprocessor>elementtype>Add/Edit/Delete>Add..>ThermalsolidQuad4node55>[close]。3.Modeling>create>KP>InActiveCS>NPT1(0,0,0),Apply,NPT2(22,0,0),Apply,NPT3(
3、18,4,0),Apply,NPT4(4,4,0),Apply,NPT5(4,8,0),Apply,NPT6(14,8,0),Apply,NPT7(10,12,0),Apply,NPT8(0,12,0)>[OK]。2.Modeling>Lines>straightLine>分别选1,2;2,3;3,4;4,5;5,6;6,7;7,8;8,1;6,3。4.Polt>lines5.Poltctrls>numbering>Linenumber[ON]>[OK]。6.create>Areas>Arbitrary>ByLinesL1,
4、L2,L3,L4,L5,L6,L7,L8>[OK];L3,L4,L5,L9>[OK]87.Polt>Areas定义材料属性1.Preprocessor>MaterialProps>Material>Thermal>Conductivity>Isotropic>KXX=0.025>[OK]2.SpecificHeat>C=0.28>[OK],Density>DENS=0.54>[OK]3.Material>Newmodel...>DefineMaterialID2>[OK]4.Thermal>Conductivity>Isot
5、ropic>AddTemperature(click3times)81.Enthalpy>AddTemperature(click3times)2.Graph8网格划分1.Meshing>meshtool>Smartsize>FineCoarse4>mesh>select2.Plot>Areas2.Meshtool>ElementAttributes>GlobalSet>Materialnumber>2[OK]>mesh>select3.Plot>muti-plots施加载荷1.ApplyLoad2.Mainmenu>pre
6、processor>Loads>DefineLoads>Apply>thermal>Convection>Onlines[OK]8Filmcoefficient:0.014BulkTemperature:80[OK]3.DefineanalysistypeSolution>AnalysisType>NewAnalysis>Transient>Full>[OK]4.plot>Areas2.UtilityMenu>Select>Entities>Areas,ByNum/Pick>Apply(选里面的铸钢)3.Select>Eve
7、rythingBelow>SelectedAreas4.PlotApply>initialCondit’n>Define>PickAll>Lab:TEMP;VALUE:28756.SelectEverything7.Plot>Areas8.Select>Entities>Areas>ByNum/Pick>Apply(选外面的沙模)9.Select>EverythingBelow>SelectedAreas82.PlotApply>initialC
8、ondit’n>Define>PickAll>Lab:TEMP;VALUE:804.SelectEverything5.Plot>Areas求解1.Solution>LoadStepOpts>Time/Frequenc>Time-TimeStep>timeatendofloadstep=4