workbench电机电磁场有限元分析

LowFrequencyElectromagneticAnalysisofMotorsWorkBenchEnvironmentworkbench电机电磁场有限元分析共44页，您现在浏览的是第1页!MotorAnalysisintheWorkbenchEnvironmentUponenteringtheworkbenchenvironment,readinthedesignmodelergeometrystoredinmotor2_base.agdb.1210/1/20042workbench电机电磁场有限元分析共44页，您现在浏览的是第2页!MotorAnalysisintheWorkbenchEnvironmentYoushouldseeanendviewofthemotorgeometry.Usingtheleftmousebutton(LMB)clickonthebluedotadjacenttothetriadinthelowerrightcorneroftheplot.Thisshouldresultintheisometricviewshownatright.Theimagecanbedynamicallyrotatedasfollows:PositionthemousecursoronthedisplayHolddownthemiddlemousebutton(MMB)Movethemousecursor10/1/20043workbench电机电磁场有限元分析共44页，您现在浏览的是第3页!MotorAnalysisintheWorkbenchEnvironmentClickontheindividualentriesintherighthandcolumnofthedetailspaneandeditthemasshownbelow.Enclosurenamechangedto“Air”Shape:CylinderAlignment:AutomaticCushion:8mmTarget:AllBodiesMergeParts?:Yes10/1/20044workbench电机电磁场有限元分析共44页，您现在浏览的是第4页!MotorAnalysisintheWorkbenchEnvironmentInthetree,opentheitem“1Part,5Bodies”byclickingonthe“+”symboltotheleftofit.Dothesamewiththeitemlabeled“part”thatappearsbelowit.Notethatthesinglepartinthemodelconsistsof5individualbodies(stator,rotor,magnet1,magnet2,and“solid”).Rightclickon“solid”andinthedropdownmenu,requestthatitbehiddeninthedisplay.Notethatthedisplayofanyindividualbodiesmaybeeithersuppressedorrestoredinthismanner.1210/1/20045workbench电机电磁场有限元分析共44页，您现在浏览的是第5页!MotorAnalysisintheWorkbenchEnvironmentInthewindingdetailspane,clickonthecelltotherightof“CenterPlane”,thenselectPlane6fromthetree,thenclickapply(step3atright).Thispositions/orientsthewindingssothatpredefinedplane6isthewindingmidplane.123:Click“Apply”10/1/20046workbench电机电磁场有限元分析共44页，您现在浏览的是第6页!MotorAnalysisintheWorkbenchEnvironmentOncethefileisreadin,makethefollowingadditionalchangesinthewindingdetailspane:FD2:SlotAngle=>22.5ClashDetection?=>YesSettingclashdetectionto“yes”willbringupanotherrowcalled“BodiesforClashDetection”inthewindingdetailspane.Clickthecelltotheright,highlight“rotor”inthetree,andclickApply.Thiswilltriggeracheckforinterferencebetweenthedefinedwindingsandtherotorstack.234:Click“Apply”110/1/20047workbench电机电磁场有限元分析共44页，您现在浏览的是第7页!MotorAnalysisintheWorkbenchEnvironmentOnenicewaytovisualizethewindingsistorightclickonrotorinthetreeandchoose“HideAllOtherBodies”inthedropdownlist.Then,inthetree,clickonanyofthe6individualcoilsprisingthewinding(A.1,A.2,B.1,B.2,C.1,C.2).Forexample,thelocationofcoilA.1isshownbelow.23110/1/20048workbench电机电磁场有限元分析共44页，您现在浏览的是第8页!MotorAnalysisintheWorkbenchEnvironmentOncethegeometryissuccessfullyattachedinDesignSimulation,definethecurrentandphaseanglesforconductorsA,B,andCasshownatright: ConductorA:55A0 ConductorB:55A120 ConductorC:55A2402110/1/20049workbench电机电磁场有限元分析共44页，您现在浏览的是第9页!MotorAnalysisintheWorkbenchEnvironmentInordertomoreeasilyselecttheexternalsurfacesofthemodeleddomain,suppressallbodiesexcept“Solid”.Forexample,suppressionofthestatorbodyisillustratedatright.Rightclickoneachbodytobesuppressedtobringupthedropdownmenu.Whenyouaredone,onlythe“Solid”bodyshouldremainunsuppressed(havea“”adjacenttoitratherthanan“x”).2110/1/200410workbench电机电磁场有限元分析共44页，您现在浏览的是第10页!MotorAnalysisintheWorkbenchEnvironmentRightclickonanyofthebodiesinthetreeandselect“UnsuppressAllBodies”.Select“Rotor”fromthetreeandinthedetailspane,clickonthearrowinthecelltotherightof“Material”.Fromthedropdownlist,choose“Import”.21310/1/200411workbench电机电磁场有限元分析共44页，您现在浏览的是第11页!MotorAnalysisintheWorkbenchEnvironmentClickonthethumbnailsketchintherighthandpanetodisplaythexyplotshownatright.ClickontheSimulationtabtoreturntothemodel.310/1/200412workbench电机电磁场有限元分析共44页，您现在浏览的是第12页!MotorAnalysisintheWorkbenchEnvironmentInitiatethecreationofanewmaterialpropertyforbody“Magnet1”asshownatright.31210/1/200413workbench电机电磁场有限元分析共44页，您现在浏览的是第13页!MotorAnalysisintheWorkbenchEnvironmentDefinethecoercivityandremanantmagnetization:Hc=750000A/mBr=0.6TItmayalsobenecessarytosupplya“dummy”valueforYoung’sModulustoworkaroundunnecessaryerrortrapping.Rightclickon“NewMaterial”,select“Rename”fromthedropdownlist,andchangethenameofthenewmaterialto“PM”.124310/1/200414workbench电机电磁场有限元分析共44页，您现在浏览的是第14页!MotorAnalysisintheWorkbenchEnvironmentInitiatethecreationofacylindricalcoordinatesystem.Clickon“Model”inthetree.Choose“Insert”fromthefirstdropdownlist.Choose“CoordinateSystem”fromtheseconddropdownlist.12310/1/200415workbench电机电磁场有限元分析共44页，您现在浏览的是第15页!MotorAnalysisintheWorkbenchEnvironmentRightclickon“CoordinateSystem”inthetreeandchoose“Rename”fromthedropdownlist.Renamethecoordinatesystemasdesired(forexample,“PM_CSYS”,asshownatright).Clickonthecelltotherightof“Type”inthePM_CSYSdetailspaneandchangetoCylindrical.12310/1/200416workbench电机电磁场有限元分析共44页，您现在浏览的是第16页!MotorAnalysisintheWorkbenchEnvironmentSelect“Mesh”fromthetree.Inthemeshdetailspane,establishthefollowingsettings:GlobalControl=>AdvancedCurve/Proximity=>40GapDistance:7e-4m213410/1/200417workbench电机电磁场有限元分析共44页，您现在浏览的是第17页!MotorAnalysisintheWorkbenchEnvironmentInthetree,selectallsurfacepairshavingaproximityof7e-4m(click“GapSizing”thenholddowntheshiftkeyandselect“GapSizing6”).SettheGapAspectRatiointhedetailspaneto3.2110/1/200418workbench电机电磁场有限元分析共44页，您现在浏览的是第18页!MotorAnalysisintheWorkbenchEnvironmentIfyouwishtoviewthemeshofanindividualbody,selectit(rightmousebutton)inthetree,clickon“HideAllOtherBodies”inthedropdownlist,andclickon“Mesh”inthetree.Therotormeshisshownbelow.21310/1/200419workbench电机电磁场有限元分析共44页，您现在浏览的是第19页!MotorAnalysisintheWorkbenchEnvironmentAddarequestforcalculatedvaluesof“DirectionalForce/Torque”.2110/1/200420workbench电机电磁场有限元分析共44页，您现在浏览的是第20页!MotorAnalysisintheWorkbenchEnvironmentWehavespecifiednonlinearBHdatafortherotorandstatorbutwillsuppressitsusagesothatthesolutioncanbeobtainedexpediently.Choose“Rotor”inthetreeandset“NonlinearMaterialEffects”to“No”intherotordetailspane.Dothesameforthestator(shownatright).1210/1/200421workbench电机电磁场有限元分析共44页，您现在浏览的是第21页!MotorAnalysisintheWorkbenchEnvironmentOnethesolutionhaspleted(~10-15minutes),youmayselectanindividualbodyforpostprocessing.Forexample,toviewresultsontherotor,rightclickonitinthetreeandclickon“HideAllOtherBodies”inthedropdownlist.1210/1/200422workbench电机电磁场有限元分析共44页，您现在浏览的是第22页!MotorAnalysisintheWorkbenchEnvironmentYoumayalsoexperimentwiththevectorplotcontrols.Vectorsmaybe“elementaligned”(oneperelement)or“gridaligned”(displayedwithauserselecteddensity).Lengthmaybescaledforbettervisibility.Thewireframebuttonmakesthebodytransparentsothatthevectorswithinthevolumeofthebodymaybevisualized.Magnitudescaled3DarrowsWireframeDisplayGridaligned10/1/200423workbench电机电磁场有限元分析共44页，您现在浏览的是第23页!MotorAnalysisintheWorkbenchEnvironmentBringuptheenclosuretoolasshownatright.ThiswillbeusedtoautomaticallycreateameshofthemagneticdomainbetweenandsurroundingtheimportedgeometryNotethedetailsthatappearinthelowerleftpaneafterthisselectionismade.Wewilleditthesedefaultvalues.1210/1/200424workbench电机电磁场有限元分析共44页，您现在浏览的是第24页!MotorAnalysisintheWorkbenchEnvironmentAftereditingthedetails,rightclickon“Air”inthetree.Inthedropdownlistthatappears,leftclickon“Generate”.Thiswillcreateacylindricalvolumeofmagneticdomaininwhichtoimmersetheimportedparts.10/1/200425workbench电机电磁场有限元分析共44页，您现在浏览的是第25页!MotorAnalysisintheWorkbenchEnvironmentUsetheWindingToolEditortobringupthe“windingdetails”and“windingtable”panesshownintheredboxesatright.1210/1/200426workbench电机电磁场有限元分析共44页，您现在浏览的是第26页!MotorAnalysisintheWorkbenchEnvironmentAwindingtabletextfilecontaininginformationdescribingtherotorcoils(winding.txt)isinthelocalworkingdirectory.Readthetableasshownatright.Clickthecelltotherightof“windingTableFile”inthewindingdetailspaneandclickon“…”tobrowseforthefile.12310/1/200427workbench电机电磁场有限元分析共44页，您现在浏览的是第27页!MotorAnalysisintheWorkbenchEnvironmentAfterthewindingspecificationshavebeendefined,createthewindingbyrightclickingon“Winding”inthetreeandleftclickingon“Generate”inthedropdownlist.10/1/200428workbench电机电磁场有限元分析共44页，您现在浏览的是第28页!MotorAnalysisintheWorkbenchEnvironmentNowclickontheProjecttabandchoose“NewSimulation”2110/1/200429workbench电机电磁场有限元分析共44页，您现在浏览的是第29页!MotorAnalysisintheWorkbenchEnvironmentPreparetodefinemagneticfluxparallelboundariesontheexteriorofthemodeleddomainasshownatright.2110/1/200430workbench电机电磁场有限元分析共44页，您现在浏览的是第30页!MotorAnalysisintheWorkbenchEnvironmentTodefinefluxparallelsurfaces,select“MagneticFluxParallel”fromthetreeandclickonthecelladjacentto“Geometry”inthemagneticfluxdetailspane.Positionthemousecursoronanyofthesurfacesboundingthecylindricalvolumeandclickwiththeleftmousebutton.Afterselectingthefirstsurface,holddownthecontrolbuttonandselectanother.Ifnecessary,releasetheCtrlbutton,usetheMMBtoreorientthemodelasneeded,andselectthethird(andfinal)surface.Click“Apply”inthemagneticfluxparalleldetailspane.2143:SelectexternalsurfacesofcylinderusingCtrl+LMB10/1/200431workbench电机电磁场有限元分析共44页，您现在浏览的是第31页!MotorAnalysisintheWorkbenchEnvironmentMaketheselectionsshowninthe“ImportMaterialData”dialogueboxasshownatright.ThiswillsimultaneouslyimporttheBHcurveforM14steelintothedatabaseandassignthispropertytotherotorbody.YoumayviewtheBHdata(tableandxyplot)byclickingonthearrowinthecelltotherightof“Material”inthedetailspaneandselecting“EditM14Steel”inthedropdownlist(seenextslide).2134:Select“EditM14Steel”fromthedropdownlist10/1/200432workbench电机电磁场有限元分析共44页，您现在浏览的是第32页!MotorAnalysisintheWorkbenchEnvironmentClickon“Stator”inthetree.IntheStatordetailspane,clickonthearrowinthecelltotherightof“Material”andchoose“M14Steel”(thismaterialpropertyisnowanactivepartofthedatabase)fromthedropdownlist.31210/1/200433workbench电机电磁场有限元分析共44页，您现在浏览的是第33页!MotorAnalysisintheWorkbenchEnvironmentClickon“Add/RemoveProperties”intheElectromagneticssection.Inthe“AddorRemoveProperties”dialoguebox,choose“LinearHardMagneticMaterial”.31210/1/200434workbench电机电磁场有限元分析共44页，您现在浏览的是第34页!MotorAnalysisintheWorkbenchEnvironmentClickontheDesignSimulationtab.Clickonthe“Magnet2”bodyinthetree.Clickonthearrowinthecelltotherightof“Material”inthemagnet2detailspaneandchoose“PM”WehavenowassignedPMpropertiestobothmagnetsbuthaveyettodefinetheirpolarity.Theywillberadiallypoled.Theuppermagnet(Magnet1)willbepoledradiallyoutward(“+x”inacylindricalcoordinatesystem)whilethelowerPMwillbepoledradiallyinward(“-x”incylindricalcoordinates).124310/1/200435workbench电机电磁场有限元分析共44页，您现在浏览的是第35页!MotorAnalysisintheWorkbenchEnvironmentClickon“CoordinateSystems”inthetree.Note:makenoattempttomodifypredefined“GlobalCoordinateSystem”.Clickon“Insert”and“CoordinateSystems”inthecascadingdropdownlistsasshownatright.12310/1/200436workbench电机电磁场有限元分析共44页，您现在浏览的是第36页!MotorAnalysisintheWorkbenchEnvironmentSelect“Magnet1”inthetreeandassigntoitthe“PM_CSYS”coordinatesystemwith“+x”polarizationinthemagnet1detailspane.Dothesamefor“Magnet2”exceptsetthepolarityinthe“–x”direction.341210/1/200437workbench电机电磁场有限元分析共44页，您现在浏览的是第37页!MotorAnalysisintheWorkbenchEnvironmentRequesttheautomaticdetectionofsurfaceswithin7e-4m.Thiswillallowfurtherspecificationstobemadeonsurfacesfoundtobewithinthistolerance(nextslide).2110/1/200438workbench电机电磁场有限元分析共44页，您现在浏览的是第38页!MotorAnalysisintheWorkbenchEnvironmentCreatethemesh2110/1/200439workbench电机电磁场有限元分析共44页，您现在浏览的是第39页!MotorAnalysisintheWorkbenchEnvironmentAddarequestforcalculatedvaluesof“TotalFluxDensity”onallbodies(thedefault).2110/1/200440workbench电机电磁场有限元分析共44页，您现在浏