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1、IntroductionofLBMSoftware1PowerFLOWleiBriefIntroductionPowerFLOWdeliversarevolutionarysolutionforsimulatingsomeoftheworld'smostcomplexfluidflowproblems.BuiltonuniqueandinherentlytransientLatticeBoltzmanntechnology,PowerFLOWsimulationsaccuratelypredic
2、treal-worldflowconditionswithoutcompromisinggeometricdetail.Withimmersivegridtechnology,fluidgridcreationiscompletelyautomaticandcapturesallthedetailsofgeometry,nomatterhowcomplex.PowerFLOW^sunconditionalstabilitymeansgetresultseverytime.UsingthePowe
3、rFLOWsuite,engineersevaluateproductperformanceearlyinthedesignprocesspriortoanyprototypebeingbuilt—whentheimpactofchangeismostsignificantfordesignandbudgets.1.2CapabilityPowerFLOW^uniquetechnologyenablestrulypredictivesimulationsofcomplexflowproblems
4、tobeperformedearlyinthedesignprocess,whenproductdetailsarestillflexibleandexpensiveprototypesarenotavailableforphysicalexperiments.Usingactual,unsimplifieddesigngeometry,modelscanbequicklybuilt,simulatedandanalyzedtodeliverconcreteanswerstodesignandp
5、erformancequestions.Inherentlytransientandunconditionallystable,PowerFLOWsimulationsprovidereliable,actionableresultseverytime.PowerFLOWfscapabilitiesincludethefollowing:1)TrueRotatingGeometryPowerFLOW^abilitytosimulatetruerotatinggeometryenablesprac
6、ticalandaccuratepredictionoftransientfluidflowaroundrotatingcomponents,includingpredictionoffannoise-somethingnotpossibleusingstandardrotatingreferenceframemodels.Otherapplicationsinclude:•Fannoise&performance:simulationsforaxialflowfanscentrifugalfa
7、ns,mixedflowfansandcrossflowfans;abilitytoanalyzeflowrates,noisegeneration,pressurerise.•Brakecooling•Wheelaerodynamics•Pumps,blowers,turbines,mixers2)Fast,AutomatedSetupwithPowerCASEPowerCASEprovidesanintuitive,fastinterfaceforpreparingcaseswithanyl
8、evelofgeometriccomplexity.SincePowerFLOW^fluidgridgenerationisfullyautomatic,buildingacaseisasimpleprocessofcreatingandimportinggeometry,defininginitialconditionsandboundaryconditions,andchoosingwhichmeasurementstorecordduringsimulation,apowerfultemp
