icepak-10-profiles

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1、ProfilesandZoom-InModelingAprofileconditionisaspatiallyvaryingboundaryconditionProfilesuseagrid-gridinterpolationroutinetocreateprofileoftemperatureorvelocitycomponentsonopeningsorwallsUsesInclude:Zoomin/ZoomoutsolutionsApplyingafullydevelopedchannelprofileCalculatethedevelopedpr

2、ofileinasimplemodelofwindtunnelsection(withoutequipmentundertest)ApplytomodelwithequipmentReducessizeofupstreamsectionneededReducesmeshOptimizesmodelruntimeandefficiencyIncreasesaccuracyProfileBoundaryConditionsProfilesofvariablescanbeappliedtobothWallsandOpeningsOpeningsPressure

3、TemperatureX,Y,Z,velocitycomponentsWallsOutsideheatfluxOutsidetemperatureExternalheattransfercoefficientReferencetemperaturefixedSourcesProfilesofheatfluxperunitareaIcepakObjectsthatcanuseProfilesCreateprofilesmanuallyObjective:Createatemperaturedistributioninawallobject,asshownI

4、nthewall’seditform/propertiessub-panel/outsidetemp–check“Profile”andclickthe“Edit”buttonThecurvespecificationformopensSpecifythex,y,zvaluesofthecenterofeachregion(20oC,25oC,30oCregions),andthetempb.c.inthatregioneachrowwillthereforecontain4numbers:xyzTThe4valuescanbeseparatedbys

5、pacesortabs20oC25oC30oC0.20.30.10.30.150.2Profilesareautomaticallycreatedifyouusethezoom-inmodelcreationfeature.Profilescanbewrittenfromanypost-processingcontourplotObjectface,planecut,etc…UnderParametersoptionto“SaveProfile”Savespointco-ordinatesandvalueCreatingprofilesbypostpro

6、cessingZoom-inmodeling:introductionComponentBoardSystemDimensionsrange:~mm(dies),~mm(fins/solder),~m(enclosure)System/boardlevelmodelwithfulldetailshugemeshcountincreasedcomputationalpowerrequirementssimplificationsyield“a”solution…accuracy?Whatdowedo:Zoom-inmodelisagoodoptiontoe

7、liminatealltheabovebottlenecksZoom-inModeling:ProcedureSimplifythesystemlevelmodelusingsuitableapproximationsExample–thermo-volumetricmodelsofheatsinks,uniformlumpedsourcetoreplacecloselyspacedpowersourcesSolveandpost-processthesimplifiedsystemlevelmodelDeterminefanoperatingpoint

8、s,captureflowandtemperaturefieldsTempera