workbench電機(jī)電磁場(chǎng)有限元分析

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