书学习fluentchina介绍-sui专业的计算流体力学软件CFD供应商与技术服务商

FLUENTFluentInc.1979在谢菲尔德大学(UK)1983Creare公司销售1988FluentInc.1995收购最大竞争对手FDI1997收购Polyflow2000归属WillsStain&PartnersFluentInc. New FluentInc.luentWorldwide 6个子公司，多 界顶级的CFD技术团队，近500FluentEurope(England)FluentFranceFluentGermanyFluentItalyFluentSwedenFluentBenelux

Asia FluentAsiaPacificATES(Korea)Hi-Key SFIandAavid

N.FluentInc.HQ–Lebanon(NH)Evanston(IL)SantaClara(CA)AnArbor(MI)Morgantown(WV)CFD–RESFluent

Hikey

Tianyuan) CFD的市BlueRidgeNumerics2%

23

CDAdapco

括ISO9001、ISO14001以及TICKIT等诸多 Fluent

Fluent

GeneralElectricLoralVoughtNASALangleyNASALewisBFLockheedMartinAstronauticsAtlanticResearchCorp.OrbitalSciencesRollsRoyceSaabDynamicsShortsAerospace

WestlandHeliAirProductsTRWSpace&TechnologyCreareInc.ICEMSystemsInc.CmminsEngneFoMotorGeneralMotorsVolvoData

AsahiIndustryBayer JamesRiverJapanTobaccoIncValmetPapersKimberlyClarkPhilipMorrisRhonePoulenc

AmericanElectricBritishGasCalliusCenGEPowerSystemsJohnZinkMWKellogOntarioHydro

RlsIGTRJMCorp HillPhoenixBatlePennVentilationSun

SiliconGraphics资料提供：KSB FLUENT/FIDAP/

FLUENT/FIDAP/

LUENTLUENTFLUENTFLUENT耦合隐式求解器（CoupledAMGSolver）-耦合显式求解器（CoupledFASSolver)-适应可压缩流体/分离求解器（SegregatedAMGSolver)-（3446FLUENTFLUENTSpalart-Spalart-RNGk-Realizablek-低Rek-kSSTk–有些速度PDFNOx混合(Mixture)气穴（空泡

Realizablek

大坝决堤（动画

导管内的冲击波（动画 复数基准坐标（MRF）：复数基准坐标（MRF）：FLUENT动/ Spring，Remesh，其中Remesh是Fluent所独有的FLUENT动/ 动网格-动网格-Spring绵动网格-动网格-LocalRemesh边界的运动可预先指定或由/插入或消除Node(与之对应的Face/Cell)一旦重新插入/消除Face和Cell动网格-动网格-LocalRemesh动网格-动网格-LayeringRootsBlower630NewFLUENT6.2动/特别是当使用multiplemeshmotionFLUENTFLUENT6.2动网格/动态自适应FLUENT6.2动网格/对称面:ICEngineFLUENT6.22.5D网格重生和光顺修正(Smooth):叶形(Lobe) FLUENT6.2动网格/VOF:CrankCase动网格动网格+VOF

Airblock(tet)NonConformalInterfaceTheseuse

block(hex)

WallV-22FlowMultiphaseFlowBubblyflow:Discretegaseousbubblesinacontinuousfluid.E.g.:Absorbers,evaporators,spargingdevices.Dropletflow:Discretefluiddropletsincontinuousgas.E.g.:Atomizers,Slugflow:Largebubblesinacontinuous -surfaceflow:Immisciblefluidsseparatedbyaclearly-definedinterface.E.g.: surfaceflows.liquid-Particle-ladenflow:Discretesolidparticlesinacontinuousgas.E.g.:cycloneseparators,airclassifiers,dustcollectors,andliquid-FluidizedBeds:fluidizedbedSlurryFlow:Particleflowinliquids,①分散（DPM）模型（气泡的体积分率<10%）②混合模型（考虑相间的滑动③Euler-多相流模型（计算各相的保存式-④VOFFLUENTDiscretePhaseModelVolumeofFluidModelFLUENTDefine–Air

Air

Gas

Liquid

Inner

SMDSMD 0 location与McDonellandSamuelson(1991)（动画

（动画xxc多相流：Euler多相流：Euler多相流：Euler多相流：Euler 罐内气体的喷雾分析（动画多相流：多相流：Euler

资料来源 Chemineer,相流：Euler相流：Euler多相流模型（Granular流 相流：Euler相流：Euler多相流模型（Granular流相流：Euler相流：Euler多相流模型（Granular流多相流：(VOF)多相流：(VOF)多相流多相流体积分率模

多相流：多相流：体积分率模型+ 自由表面＋凝水水FLUENT6.2)对granular对granular温度、完全的PDEJohnsonJackson对granularMixtureModel也对granularFLUENT6.2多相流/组分:O3

FLUENT6.2Volume-of-fluid(VOF)Highresolutioninterfacecapture(HRIC)FLUENT6.2HRIC:FLUENT6.2HRIC:

FLUENT6.2新的液膜模型:ICEngineParticlesim eonasurface,s shand/orformathinfilm(DPM)

FLUENT6.2 多表面间的辐射传热（S2S）FacesperclusterspecificationforeachboundaryzoneParallelviewfactorcompressionSolidFLUENT6.2SolidCourtesyofNationalRenewableEnergy

9:15FLUENT6.2S2SFacesPerCluster:5523532FLUENT6.2湿蒸汽模型:2DFLUENT6.2气穴模型:=

FLUENT6.2气穴模型:

CO2（率先开发，销售（率先开发，销售○××○○○最适合SlowChemistry(CO/NOx)・Arrhenius基本反应CoupledImplicitSolverCoupledImplicitSolver：StiffChemistry17Species,46类别②分析事例（扩散燃烧IFRFPDFP1k-e

GE LM6000（Joshiet.al,ASME94-GT-253）BC由GELES–速度是根据Smagorinskysgs 25万、8处理器SGIorigin2000

200网格、14HPB2000(Fluenttrainingcluster)Burner燃 FLUENT6.2Knockingingasolineengines扩展的NOxNOxReburnwitheddydissipationmodelNOxFuelNintermediate(HCN/NH3/NO)partitioningIntermediateN2OpathwayFLUENT6.2UsesISAT4forefficientchemistrycalculations的OHFLUENT6.2火花点火/Knock: FLUENT6.2HCN/NH3分割:IFRFCoalFlameZZ=0.25Z=0.85Z=0.850.5NH3/0.5NH3OnlyFLUENT6.3–SOxSOxFormationinaCombustorWholeInletWholeContoursofSO2MassFLUENTReactingFlowsSOxmodelAbilitytomodelupto300speciesand1500reactionswhenimportingchemistryandgeneratingflameletsFLUENT6.3–UnsteadyLaminarFlameletsParallelReactionsinConfinedIm ingJetReactor(CIJR)H+H++ H K1=1.4e8K2=0.673H++CH3C(OCH3)2CH3——>H++CH3COCH3+ ConversionofSpecies

InletJetVelocity(m/s)InletJetVelocity(m/s)2.14.1416.6PDFTransport19.5%12.9%4.4%UnsteadyFlamelet22.4%12.6%3.5%（可选取较大的时间间隔 FLUENT用多阶RungeKutta-Method把相邻单元值作为未知数，用PointGaussSeidel

CpContoursMachMachAOA=AirneAirneMarsFLUENT6.2Dynamickineticenergy谱合成法(SpectralFLUENT6.2LES/Numerics:Sideviewofvortical

TopviewofvorticalFLUENT6.2LES/DynamicSGS:

CLFLUENT6.2LES/DynamicSGSStDynamicSmag.2.280.130Dynamic2.220.134Exp.(Lynetal.,1992)2.1–0.130StreamwiseVelocityAlongWakeCenterlineFLUENT6.2 电池(PEMFC)模 电池(SOFC)模包括磁流体力学,连续光纤 FLUENT6.2PEMFC: FLUENT6.2SOFC:H2

O2MoleFLUENT6.3PolyhedralMeshes加快收敛,PolyhedralMeshExample–SimplifiedSedan16,908FLUENT6.3Pressure-basedcoupledsolver FLUENT6.3CASE=+Density=+Density+Pressure+PressureBasedMemoryItionsconvergenceTimetoconvergencePressure-BasedSegregated2.2800Density-Based4.090011.8Pressure-BasedCoupled3.5150FLUENT6.3CASEDragPredictionfor=+Density-+Pressure-+PressureBasedMachNumber=0.7584ReynoldsNumber=12e6AngleofAttack=3.06o

Memory

tionstoconvergence

TimetoconvergencePressure-BasedSegregatedDensity-BasedPressure-BasedMissileCaseSpalart-AllmarasTurbulenceMachNumber=AngleofAttack= tionstoconvergenceTime tionstoconvergenceFluentFluent6.3BasedFluent6.3DensityBasedExplicitFluent~5.43hours~1.57hoursMissileCaseOriginaltet/hybrid PolyhedralOriginaltet/hybridmesh:1,016,169cells MissileCaseOriginaltet/hybrid

PolyhedralMissileCaseFlunetOriginaltet/hybrid

Fluent

FluentPolyhedralMissileCaseFlunet6.2Originaltet/hybridmesh

Fluent6.3ContoursofStaticMissileCaseFlunet6.2Originaltet/hybridmeshContoursof

Fluent6.3MissileCaseFlunet6.2Originaltet/hybridmeshContoursof

Fluent6.3MissileCase10

cl0

FLUENT采用MPI采用MPIMessagePassingInterface)在 自动分区，个个CPUMPP(massivelyparallelprocessor)SMP(symmetricmultiprocessor)OSWi