airpak3.0 Tutorial Guide

Airpak3.0TutorialGuideMay2007Copyrightc2007byFluentInc.AllRightsReserved.NopartofthisdocumentmaybereproducedorotherwiseusedinanyformwithoutexpresswrittenpermissionfromFluentInc.Airpak,FIDAP,FLUENT,FLUENTforCATIAV5,FloWizard,GAMBIT,Icemax,Icepak,Icepro,Icewave,Icechip,MixSim,andPOLYFLOWareregisteredtrademarksofFluentInc.Allotherproductsornamebrandsaretrademarksoftheirrespectiveholders.CATIAV5isaregisteredtrademarkofDassaultSystemes.CHEMKINisaregisteredtrademarkofReactionDesignInc.PortionsofthisprogramincludematerialcopyrightedbyPathScaleCorporation2003-2004.FluentInc.CenterraResourcePark10CavendishCourtLebanon,NH03766UsingThisManualWhat’sInThisManualTheAirpakTutorialGuidecontainsanumberoftutorialsthatteachyouhowtouseAirpaktosolvedierenttypesofproblems.Ineachtutorial,featuresrelatedtoproblemsetupandpostprocessingaredemonstrated.Tutorial1isadetailedtutorialdesignedtointroducethebeginnertoAirpak.Thistutorialprovidesexplicitinstructionsforallstepsintheproblemsetup,solution,andpostprocessing.TheremainingtutorialsassumethatyouhavereadorsolvedTutorial1,orthatyouarealreadyfamiliarwithAirpakanditsinterface.Inthesetutorials,somestepswillnotbeshownexplicitly.HowToUseThisManualIfyouarearst-timeuserofAirpakyoushouldrstreadandrunTutorial1,inordertofamiliarizeyourselfwiththeinterfaceandwithbasicsetupandsolutionprocedures.Youmaythenwanttotryatutorialthatdemonstratesfeaturesthatyouaregoingtouseinyourapplication.Forexample,ifyouareplanningtosolveaprobleminvolvinglaboratoryventilation,youshouldlookatTutorial2.Youmayalsowanttorefertoothertutorialsforinstructionsonusingspecicfeatures,suchasgroupingobjects,eveniftheproblemsolvedinthetutorialisnotofparticularinteresttoyou.TypographicalConventionsUsedInThisManualSeveraltypographicalconventionsareusedinthismanual'stexttofacilitateyourlearningprocess.Anexclamationpoint(!)inthemarginmarksanimportantnoteorwarning.Dierenttypestylesareusedtoindicategraphicaluserinterfacemenuitemsandtextinputsthatyouenter(e.g.,Newprojectpanel,enterthename/jobname).Instructionsforperformingeachstepinatutorialwillappearinstandardtype.Additionalinformationaboutastepinatutorialappearsinitalicizedtype.cFluentInc.May16,2007UTM-1UsingThisManualAminiowchartisusedtoindicatethemenuselectionsthatleadyoutoaspecicpanel.Forexample,View!Summary(HTML)indicatesthattheSummaryoptioncanbeselectedfromtheViewmenuatthetopoftheAirpakmainwindow.Thearrowpointsfromaspecicmenutowardtheitemyoushouldselectfromthatmenu.MouseConventionsUsedInThisManualThedefaultmousebuttonsusedtomanipulateyourmodelinthegraphicswindowaredescribedintheAirpakUser'sGuide.SeeSection2.2.4fordetails.AlthoughyoucanchangethemousecontrolsinAirpaktosuityourpreferences,thismanualassumesthatyouareusingthedefaultsettingsforthemousecontrols.Ifyouchangethedefaultmousecontrols,youwillneedtousethemousebuttonsyouhavespeciedinsteadofthemousebuttonsthatthemanualtellsyoutouse.WheretoFindtheFilesUsedintheTutorialsYoucanndjobdirectoriesforthetutorialsinAIRPAKROOT/tutorials/whereyoumustreplaceAIRPAKROOTbythefullpathnameofthedirectorywhereAirpakisinstalledonyourcomputersystem.Itisrecommendedthatyoucopythedesiredjobdirectory(anditscontents)toyourlocaldirectory.Onceyouhavecopiedthejobdirectory(e.g.,office)toyourlocaldirectory,youcanreadthejobintoAirpakusingtheNewprojectpanel.SeeSection6.2.2oftheUser'sGuidefordetailsaboutreadingajobintoAirpak.Sinceasolutiondatasetisincludedineachjob,youcanlookattheresultsofthetutorialimmediately,withoutwaitingforthecalculationtonish.Youcanreadintheassoci-atedjob(whichincludesthesolutiondata)beforefollowingthetutorialinstructionsforexaminingtheresults.WhenToCallYourAirpakSupportEngineerTheAirpaksupportengineerscanhelpyoutoplanyourmodelingprojectsandtoover-comeanydicultiesyouencounterwhileusingAirpak.Ifyouencounterdicultiesweinviteyoutocallyoursupportengineerforassistance.However,thereareafewthingsthatweencourageyoutodobeforecalling:UTM-2cFluentInc.May16,2007UsingThisManualReadthesection(s)ofthemanualcontaininginformationontheoptionsyouaretryingtouse.Recalltheexactstepsyouwerefollowingthatleduptoandcausedtheproblem.Writedowntheexacterrormessagethatappeared,ifany.Forparticularlydicultproblems,packageupthejobinwhichtheproblemoc-curred(seetheUser'sGuideforinstructions)andsendittoyoursupportengineer.Thisisthebestsourcethatwecanusetoreproducetheproblemandtherebyhelptoidentifythecause.cFluentInc.May16,2007UTM-3UsingThisManualUTM-4cFluentInc.May16,2007Contents1OceVentilation1-12LaboratoryExhaust2-13CopyMachineEmittingVolatileGases3-14RoomandOceSpaceCreatedfromImportedIGESGeometry4-15HighDensityDatacenterCooling5-1cFluentInc.May16,2007TOC-1ContentsTOC-2cFluentInc.May16,2007Tutorial1.OfficeVentilationIntroduction:Thistutorialdemonstrateshowtomodelanocesharedbytwopeopleworkingatcomputers,usingAirpak.Inthistutorial,youwilllearnhowto:OpenanewjobIncludeeectsofrelativehumiditydistributioninthesimulationCreateblocks,openings,vents,partitionsandwallsModeltheeectsofradiationChangethenumberofsolveriterationsCalculateasolutionExamineco