書學習fluentchina介紹-sui專業(yè)的計算流體力學軟件CFD供應商與技術(shù)服務商

FLUENTFluentInc.1979在謝菲爾德大學(UK)1983Creare公司銷售1988FluentInc.1995收購最大競爭對手FDI1997收購Polyflow2000歸屬WillsStain&PartnersFluentInc. New FluentInc.luentWorldwide 6個子公司，多 界頂級的CFD技術(shù)團隊，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等諸多 Fluent

Fluent

GeneralElectricLoralVoughtNASALangleyNASALewisBFLockheedMartinAstronauticsAtlanticResearchCorp.OrbitalSciencesRollsRoyceSaabDynamicsShortsAerospace

WestlandHeliAirProductsTRWSpace&TechnologyCreareInc.ICEMSystemsInc.CmminsEngneFoMotorGeneralMotorsVolvoData

AsahiIndustryBayer JamesRiverJapanTobaccoIncValmetPapersKimberlyClarkPhilipMorrisRhonePoulenc

AmericanElectricBritishGasCalliusCenGEPowerSystemsJohnZinkMWKellogOntarioHydro

RlsIGTRJMCorp HillPhoenixBatlePennVentilationSun

SiliconGraphics資料提供：KSB FLUENT/FIDAP/

FLUENT/FIDAP/

LUENTLUENTFLUENTFLUENT耦合隱式求解器（CoupledAMGSolver）-耦合顯式求解器（CoupledFASSolver)-適應可壓縮流體/分離求解器（SegregatedAMGSolver)-（3446FLUENTFLUENTSpalart-Spalart-RNGk-Realizablek-低Rek-kSSTk–有些速度PDFNOx混合(Mixture)氣穴（空泡

Realizablek

大壩決堤（動畫

導管內(nèi)的沖擊波（動畫 復數(shù)基準坐標（MRF）：復數(shù)基準坐標（MRF）：FLUENT動/ Spring，Remesh，其中Remesh是Fluent所獨有的FLUENT動/ 動網(wǎng)格-動網(wǎng)格-Spring綿動網(wǎng)格-動網(wǎng)格-LocalRemesh邊界的運動可預先指定或由/插入或消除Node(與之對應的Face/Cell)一旦重新插入/消除Face和Cell動網(wǎng)格-動網(wǎng)格-LocalRemesh動網(wǎng)格-動網(wǎng)格-LayeringRootsBlower630NewFLUENT6.2動/特別是當使用multiplemeshmotionFLUENTFLUENT6.2動網(wǎng)格/動態(tài)自適應FLUENT6.2動網(wǎng)格/對稱面:ICEngineFLUENT6.22.5D網(wǎng)格重生和光順修正(Smooth):葉形(Lobe) FLUENT6.2動網(wǎng)格/VOF:CrankCase動網(wǎng)格動網(wǎng)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（氣泡的體積分率<10%）②混合模型（考慮相間的滑動③Euler-多相流模型（計算各相的保存式-④VOFFLUENTDiscretePhaseModelVolumeofFluidModelFLUENTDefine–Air

Air

Gas

Liquid

Inner

SMDSMD 0 location與McDonellandSamuelson(1991)（動畫

（動畫xxc多相流：Euler多相流：Euler多相流：Euler多相流：Euler 罐內(nèi)氣體的噴霧分析（動畫多相流：多相流：Euler

資料來源 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)多相流多相流體積分率模

多相流：多相流：體積分率模型+ 自由表面＋凝水水FLUENT6.2)對granular對granular溫度、完全的PDEJohnsonJackson對granularMixtureModel也對granularFLUENT6.2多相流/組分: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 多表面間的輻射傳熱（S2S）FacesperclusterspecificationforeachboundaryzoneParallelviewfactorcompressionSolidFLUENT6.2SolidCourtesyofNationalRenewableEnergy

9:15FLUENT6.2S2SFacesPerCluster:5523532FLUENT6.2濕蒸汽模型:2DFLUENT6.2氣穴模型:=

FLUENT6.2氣穴模型:

CO2（率先開發(fā)，銷售（率先開發(fā)，銷售○××○○○最適合SlowChemistry(CO/NOx)?Arrhenius基本反應CoupledImplicitSolverCoupledImplicitSolver：StiffChemistry17Species,46類別②分析事例（擴散燃燒IFRFPDFP1k-e

GE LM6000（Joshiet.al,ASME94-GT-253）BC由GELES–速度是根據(jù)Smagorinskysgs 25萬、8處理器SGIorigin2000

200網(wǎng)格、14HPB2000(Fluenttrainingcluster)Burner燃 FLUENT6.2Knockingingasolineengines擴展的NOxNOxReburnwitheddydissipationmodelNOxFuelNintermediate(HCN/NH3/NO)partitioningIntermediateN2OpathwayFLUENT6.2UsesISAT4forefficientchemistrycalculations的OHFLUENT6.2火花點火/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%（可選取較大的時間間隔 FLUENT用多階RungeKutta-Method把相鄰單元值作為未知數(shù)，用PointGaussSeidel

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

TopviewofvorticalFLUENT6.2LES/DynamicSGS:

CLFLUENT6.2LES/DynamicSGSStDynamicSmag.2.280.130Dynamic2.220.134Exp.(Lynetal.,1992)2.1–0.130StreamwiseVelocityAlongWakeCenterlineFLUENT6.2 電池(PEMFC)模 電池(SOFC)模包括磁流體力學,連續(xù)光纖 FLUENT6.2PEMFC: FLUENT6.2SOFC:H2

O2MoleFLUENT6.3PolyhedralMeshes加快收斂,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 自動分區(qū)，個個CPUMPP(massivelyparallelprocessor)SMP(symmetricmultiprocessor)OSWi