资源描述：
《Hao Wang_Static Pressure Simulation for Air Intake.pdf》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、Altair2009HyperWorks技术大会论文集StaticPressureSimulationforAirIntakeManifold1HaoWangMAHLECHINA-1-Altair2009HyperWorks技术大会论文集StaticPressureSimulationforAirIntakeManifold1HaoWangMAHLEAbstract:Pressurelossplatsanimportantroleforengineperformance,therefore,itisverynecessary
2、forairintakemanifolddesignertodothesimulationandtestforit.Astandardforsimulationhasbeendiscussedandcomparedwiththetestingresultswhichshowthatthestandardisapplicableforairintakemanifoldpressurelosssimulation.Forvalidation,amanifoldhasbeenappliedforsimulationandtesti
3、ngcorrelation.Keywords:Airintakemanifold,pressuredrop,HyperMesh1Introduction:Simulationhasbeenprovedthatitisaverypowerfultoolfordesign,especiallyforintakeandexhaustmanifolddesignofautomotiveindustrywiththepurposeofsavingtime,moneyandothercosts.Consequently,alotofau
4、tomotivecompanieshavedevelopedtheirownmethodforCAEprediction.Asoneoftheleadingcompaniesincomponentsuppliers,MAHLEalsodefinedourownstandardforsimulationandtestingforevery[1]product,andtestbenchaswellforsimulationcorrelation.Asfortheairintakemanifold,here,thesimulati
5、onandtestingmethodsarepresented.HeretheHyperMeshisappliedforsurfacemesh.Andusually,thequalityofdefaultdefinitioninHyperMeshmustbesatisfiedforafastandgoodcalculation.2MeshsetupInthissimulation,HyperMeshisappliedforwetsurfacemeshcreation.HyperMeshisagoodmeshingtoolfo
6、rCFDpreprocessingbecauseofthefollowing:a)InHyperMesh,themeshqualitycanbeeasilycontrolledb)HyperMeshhasadynamiclinkbetweenmeshandCADgeometry.Thatistosay,ifthegeometryismodified,andthenthemeshfilewillbemodifiedaswellsimultaneously.-2-Altair2009HyperWorks技术大会论文集c)Hype
7、rMeshalsoprovideusersaveryeasygoinginterfacetoadjustthemeshquality,qualityindex.Thefollowingpicturedisplayshowthistoolworks:Fig.1SketchmapofmanifoldFig.2ControltoolinHyperMeshInthisuserinterface,theelementqualitycanbeeasilyadjustedbyclickthequestionableelements.Asf
8、orthismesh,failedelementhasbeensettozero.3BoundaryConditionforSimulation:ThesketchmapofamanifoldisshowninFig.1.Forcomparison,therunnernumberhasbe
