电磁仿真软件MagNet介绍.ppt

Infolytica,MagNet,Contents,IntroductiontoInfolyticaIntroductiontoMagNet,CompanyFounding,1977:ContractConsultingforGE1978:InfolyticaFoundedby:Dr.PeterSilvesterDr.DavidLowtherDr.ErnestFreemanjoinedby:Dr.JonathanWebb,Infolyticasmissionelectromagneticsspecialists:software,consulting,education,InfolyticaSoftware,2Dand3Dlowfrequency:MagNetElecNetThermNet3Dhighfrequency:FullWave2Dand3Doptimization:OptiNet,InfolyticaWorld-Wide,Offices:Montreal,CanadaOxford,EnglandRepresentatives&ApplicationSpecialists:Tokyo,JapanBangalore,IndiaBeijing,ChinaLeuven,BelgiumSaoPaulo,BrasilManukau,NewZealandKakiBukit,Singapore,BreakthroughResearchatInfo,Infolyticaanditsfoundershavepublished:400papersandarticleselectromagneticsanalysiscomputer-basedtoolssoftwaredesignseveralkeybooks“CADinElectromagnetics”,ElectromagneticsExperience,InfolyticaandApplicationsSpecialistshaveover200person-yearsofexperience:motordesignpermanentmagnetdesignautomotiveapplicationsnon-destructivetestinghigh-frequencyapplicationsetc.,MagNetTypicalDevices,ACandDCmotorsandgeneratorsPermanentandelectromagnetsCoilsandinductorsActuatorsandvoicecoilmotorsSensorsInductionheatingandweldingCRTdisplaysandmanyothers.,FourTypicalCustomerProfiles,Heavyelectricalengineering,AutomotiveorAerospacemanufacturing.Ex.GE,B&D,GMComputerorCommunicationsindustry.Ex.HewlettPackard,SeagateSmallHighTechnologyCompanieswithSpecialistApplication.Ex.ComDev,ABB/JMEEducationalorResearchEstablishments.Ex.McGill,MIT,Queens,UniqueProductFeatures,TrueWindowsGraphicalUsersInterface(GUI)Advanced3DModelingandImportCapabilitiesParametricStudyActiveXTechnology2-WayMagnetic/ThermalCouplingTransientwithMotionAnalysisAdaption&HierarchicalElementsReleasesandDownloads,WorkwithInfolyticato:,improvequalityreducetimetomarketspeeddesigniterationsreducetestingrequirementsuseadvancedcoursesandexpertisetakeadvantageofopensoftware,MagNetTrainingandSupport,Regularly-scheduledandon-sitecoursesExpertTechnicalsupportSelf-learningtutorialdocumentationandthoroughDocumentationCenterOnlinetrainingcoursematerialOtherServicesAdvancedTrainingCourses,MagNet:ConsultingandCustomDevelopment,Availabletofittighttimeconstraintsandbringexpertiseon-boardonlywhenyouneedit:MagneticsanalysisAvailableforstate-of-the-artprojects,wherenocommercialsoftwarecanprovidethefacilitiesyouneedCustomsoftwaredevelopment,ThePayoff,MagNetpayback:thecostofthesoftwareisoftenrecoveredthroughthesavingsindesigncostsofthefirstdevicecreatedwithMagNet,MagNetIntroduction,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Geometricmodeling,GeometricmodelingofadeviceinInfolyticaapplicationsisbasedonfamiliarcomponent-by-componentbuildingconcepts:ageometricmodelisformedfromoneormorecomponents2Dand3Dmodels,Geometricmodeling,Geometricmodeling,Geometricmodeling,Drawlinesandtransformations.SinglesweepextrusionandMulti-sweepextrusionReshaping:BooleanOperationanddistortionImportandexport,Geometricmodeling,Drawlinesandtransformations.,Geometricmodeling,SinglesweepextrusionandMulti-sweepextrusion,Geometricmodeling,Geometricmodeling,Reshaping:BooleanOperationanddistortion,Geometricmodeling,ImportandexportImportImportingInfolyticaObjectsExistingInfolyticaObjectscanbeimportedintoanewmodel.E.g.multiplecopiesofasinglestatorsegment.Modelsareimportedbyreference:changesmadetotheimportedmodelarereflectedinallmodelscontainingtheimportedgeometry.Thiscanbeusedforalibraryofparts.,Geometricmodeling,AutoCADfiles(*.dxf)SATfilescreatedwithACIS11.0orbelow(*.sat)CATIAV4files(*.model)CATIAV5files(*.model)IGESfiles(*.igs,*.iges)Inventorfiles(*.idw,*.ipt,*.iam)Pro/Efiles(*.asm,*.prt)STEPfiles(*.stp,*.step),Geometricmodeling,ExportAutoCADfiles(*.dxf)SATfilescreatedwithACIS11.0orbelow(*.sat)CATIAV4files(*.model)CATIAV5files(*.model)IGESfiles(*.igs,*.iges)STEPfiles(*.stp,*.step),MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Materialmodeling,SystemmateriallibraryUserdefinedmaterialsMaterialeditorLossisthefunctionsoftemperatureand/orfrequency.Permeability/electricconductivity/massdensity/electricpermittivityisthefunctionoftemperature.,Materialmodeling,Systemmateriallibrary&Userdefinedmaterials,Materialmodeling,Materialeditor,Materialmodeling,Thefollowingmaterialpropertiescanbemodeled,dependingonthetypeofanalysis:MagneticpermeabilityMagneticlossesdataataspecificfrequencyareusedtocomputeironlossesatpost-processingElectricconductivityElectricpermittivityThermalconductivityandspecificheatcapacityMassdensity,Materialmodeling,SomematerialpropertiescanbedefinedasanisotropicMagneticpermeability(below),electricconductivityandpermittivitycanbedefinedasanisotropic,Materialmodeling,assignamaterialtoacomponent,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Meshing,Hand/orPadaptivemeshingMaximumelementsizeoncomponents,edges,surfaces,andvertices.Manualsubdivision:uniform,logarithmicedgedivision.Meshlayer,Meshing,h-adaption(elementsubdivision)p-adaption(increaseofbasefunctionspolynomialorder,3Donly)combinedhp-adaption(3Donly)Iterativeprocessthatstopswhenrelativeglobalstoredmagneticenergyvariationislowenough,Hand/orPadaptivemeshing,Meshing,Anerrormeasure,basedonthefieldcontinuityacrosselementedges,isusedtodeterminewhichareasofthemodelaretoberefined.Asaresult,thedefaultmesh(middleimagebelow)willbemodifiedinregionswherethefluxlinesarebendingandaroundcorners(rightimage),Meshing,Maximumelementsizeoncomponents,edges,surfaces,andvertices.,Meshing,Manualsubdivision:uniform,logarithmicedgedivision.,Meshing,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Coilandcircuit,2D/3DSimplecoilandmultiterminalcoilPropertiesofcoilsWaveform:sinusoidal,exponential,pulse,piecewiselinear.Circuitcomponents,Coilandcircuit,2D/3DSimplecoilandmultiterminalcoil,Coilandcircuit,PropertiesofcoilsStrandedorsolidWaveformVoltageDriven/CurrentDrivenNumberofturnsetc,Coilandcircuit,Waveform:sinusoidal,exponential,pulse,piecewiselinear.,Coilandcircuit,Circuitcomponents,Coilandcircuit,Example:commutatorTheCommutatorisacircuitcomponentusedtomakethecurrentandthevoltageateachofitssectorsdependentonthepositionofarotaryMotioncomponent.,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Boundaryconditions,BoundaryconditionsareusedtospecifythebehaviouroftheunknownfieldsontheoutersurfacesofthemodelBoundaryconditions,togetherwiththePDEsgoverningthephenomenaofinterest,formawell-posedboundaryvalueproblem(i.e.forwhichauniquesolutionexits)thatcanbesolvenumericallyUnary&Binary.,Boundaryconditions,Unary:FluxTangentialFieldNormalSurfaceImpedance,undercertaincircumstances,allowstoefficientlymodelconductorsintime-harmonic3DmodelsThinplate,allowingtoefficientlymodelmagneticshieldsin3D,Boundaryconditions,FluxTangentialFieldNormalThinplate,Boundaryconditions,BinaryIfamodelhasastructurewherethegeometryandthefieldrepeatinintervals,itisonlynecessarytomodeloneoftherepeatingsections,therebysavingcomputerresources.Periodicity&Dynamic,Boundaryconditions,Periodicity:TheparityissetasEveniftheexcitationsofthetransformedfractioncorrespondtothoseoftheactualmodel,anditisOddiftheexcitationsallhavetobereversed,Boundaryconditions,Dynamic:Whenapartofamodelisdisplacedthroughparameterization(suchastherotorbelow),adynamicperiodicboundaryconditionmustbespecifiedinordertoproperlyconstrainthesurfacesexposedbythedisplacement(shownwithredarrowsbelow),MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Solving,ThesolverscantacklealllowfrequencyproblemsrelatedtoMachines:DC,universal,3-phaseorsingle-phaseIMActuatorsSolenoidsLoudspeakersTransformersSensorsRecordingheads,Solving,Modelscanbesolvedin2Dor3DAvailablesolversare:Static2D/3DTime-harmonic2D/3DTransient2D/3DTransientwithmotion2D/3D,Solving,Otherfeatures:CouplingwithThermNetSolvingnonlinearmodelsTransienttimestep:fixed,adaptive,anduserdefined.,Solving,Solveroptiondialog,Solving,Solverprocessisillustratedinasolverprocessdialog.,Solving,TransientOptionDialogFixed-intervaltimestep:singleuser-definedtimestepthroughoutUser-definedtimestep:stepsfromoneuser-specifiedinstanttothenextAdaptivetimestep:beginswithuser-specifiedtimestep,butautomaticallychangesthesteptomaintainaccuracywithoutexcessivecomputation,Solving,AtransientsolverprocessthathasbeenstoppedcanberesumedusingtheSolvemenu/ResumeTransientfeature,Solving,TheTransientwithmotionsolversolve2D/3Dmodelsinwhich:itisnecessarytomodeltheinducedcurrentsduetomotionaleffectsitisnecessarytocouplewithothermechanicalcomponentssuchassprings,hydraulics,etc.TypicalapplicationsincludeinductionmachinesandactuatorsMechanicaleffectscanincludefriction,inertia,gravity,springs,bumpers,Solving,TheTransientwithmotionsolverMotionComponentdialogbox,SolvingMotioncomponentdialogbox,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Postprocessing,2Dand3Dfieldplotdisplay(contour,shaded,arrow)GlobalquantitiesreportingandgraphingScriptingcanbeusedasapost-processingtoolReportgenerationProbealongaline,anarc,acircle,andapoint.,Postprocessing,2Dand3Dfieldplotdisplay(contour,shaded,arrow),Postprocessing,AvailablescalarfieldsFluxfunction(2Donly)OhmiclossIronloss(Static&Time-harmoniconly)Totalloss(Ohmic+Iron,Static&Time-harmoniconly)StoredenergyRelativepermeability(Shadedonly)RelativereluctivityResistivityError(ifadaptionisenabled,Shadedonly),VectorfieldsAvailablequantitiesMagneticfluxdensityBMagneticfieldintensityHCurrentdensityJLorentzforcedensityJB,Postprocessing,Postprocessing,Globalquantitiesreportingandgraphing,Postprocessing,Scriptingcanbeusedasapost-processingtoolToprobethesolvedfieldsusingascriptformfileliketheFieldSampler,Postprocessing,Scriptingcanbeusedasapost-processingtoolToprobeasolvedmodelatthecoordinatesspecifiedinaninputfile,andwritethefieldvaluestoanoutputfileTocouplewithotherprogramslikeMatlaborMathCadToautomatereportgeneration,Postprocessing,ReportgenerationImages:contentofViewareacanbecopiedusingEditmenu/CopyorPrintScreenkey,andcapturedbitmapscanbeconvertedtootherformatsusingWindowsXPsPaintutilityorsharewaresAnimations:canbeimportedinotherapplicationsGraphdata:canbeimportedinotherapplications,Postprocessing,Probealongaline,anarc,acircle,andapoint.,Postprocessing,AnimationexamplesMagneticfluxdensityonstatorandsliceofrotoroveroneACcycle.,Postprocessing,Animationfrom0to0.5sofcoggingtorqueonbrushlessDCmotor,Postprocessing,themagnetictorqueactingontherotorvstime.,thespeedvstimegraphoftherotor.Oncetherotorsspeedgoesbelowacertainpointthecoggingtorquepreventsitfrompassingthenextstatortoothandtheoscillationswilleventuallydecayto0duetothefriction.,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Parameterization,ParametricmodelingSystemparametersUserdefinedparametersexamples,Parameterization,ParametricmodelingAllowstoperformmultiplenumericalexperimentsonagivenmodelParameterizationisintendedforWhat-Ifanalysis:onceasequenceofvaluesisspecifiedforthedesiredquantity(parameter),theprogramwillruntheanalysisforeachparametervalueAnyquantitycanbeparameterized,e.g.geometricfeatures,materials,meshsettingscanbevariedthroughauser-specifiedrangeofvalues,Parameterization,SystemparametersItprovidesquantitiesthatcanbeparameterized(i.e.controlled)bytheuserItallowsexperienceduserstocontrolthesystemsothatitcandoexactlywhattheywant,withoutclutteringthesysteminterface,Parameterization,UserdefinedparametersAuser-definedparameterwtisfirstcreatedatthegloballevelThisparameteristhenusedtosimultaneouslyparameterizetheCurrentsystem-parametersofthreecoils,Parameterization,Parameterization,ExamplesDefiningasequenceofvectorpositionsforthebarsShiftVectorparametertostudytheforceonthebarasafunctionofitsx-position,Parameterization,Geometricalparameterization:allowstocontroltheposition,orientation,shapeorsizeofacomponent,MagNet,GeometricmodelingMaterialmodelingMeshingCoilsandCircuitsBoundaryconditionsSolvingPostprocessingParameterizationScripting,Scripting,GoalofscriptingAutomaterepetitivetaskssuchas,Scripting,CustomizethesystemtomeetuserrequirementsPostprocessing(e.g.FieldSamplerscriptform)anddataanalysisEnableadirectlinkbetweenInfolyticaproductsandanyotherActiveX-compliantsoftware(MatLab,Excel,etc)Internalscripting:VBScript,Jscript,orPerlScript.ExternalscriptingcanbedoneanylanguagewithanOLEAutomation,suchasC/C+,VB,Perl,MatLab,MathCadForexample:InfolyticaVBScriptcommandsyntaxCallgetDocument.setMaxElementSize(“component#1”,0.5),Scripting,TheexplanationtoInfolyticaAPIcommandsis