ANSYS-Workbench-电磁场分析例子.ppt

ANSYSWorkbench9 0ElectromagneticsPaulLethbridge Contents WorkbenchElectromagneticsWorkbenchEmagRoadmapDesignModelerEnclosureSymmetryWindingBodiesWindingToolSimulation WorkbenchEmagRoadmap LFEmagcapabilitywillbeexposedoverseveralreleasecycles 3DMagnetostatics 9 0 3DCurrentconduction 10 0 3DElectrostaticsCircuitelementsTimetransient 2DWorkbenchv9 0isthefirstreleasewithelectromagneticanalysiscapability Supportsolidandstranded wound conductorsAutomatedcomputationsofforce torque inductance andcoilfluxlinkage Easilysetupsimulationstocomputeresultsasafunctionofcurrent stroke orrotorangle WorkbenchEmagcapabilityismappedto accessedvia ANSYSEmag standaloneorenabledtask ANSYSMultiphysicslicensekeys WorkbenchEmagMarkets Targetmarkets SolenoidactuatorsPermanentmagnetdevicesSensorsRotatingElectricmachinesSynchronousmachinesDCmachinesPermanentmagnetmachines Contents WorkbenchElectromagneticsWorkbenchEmagRoadmapDesignModelerEnclosureSymmetryWindingbodiesWindingToolSimulation Enclosure FillTools DesignModeler DM includestwofeaturestoallowausertocreateavolumetric field bodyassociatedwithasolidmodel Enclosuretool Releasedat8 0 ThistoolisusedtocompletelyenclosethebodiesofamodelinamaterialtypicallyrequiredforanEmaganalysis FillTool Releasedat9 0 Betaat8 1 Similarfunctiontoenclosure butonlyfillsinteriorcavities Exampleofahemisphericalenclosurearoundanelectromagnet TheFillfeaturecreateanewfrozenbodytofillthespaceoccupiedbyaholeorcavity Usefulforinteriorcavityelectromagneticapplications FillFeature EnclosureSymmetry Feature TheEnclosurefeaturenowsupportssymmetrymodelswhentheenclosureshapeisaboxoracylinder Upto3threesymmetryplanescanbespecified FullorpartialmodelscanbeincludedintheEnclosure DuringthemodeltransferfromDesignModelertoSimulation theenclosurefeaturewithsymmetryplanesformstwokindsofnamedselections OpenDomainSymmetryPlane Contents WorkbenchElectromagneticsWorkbenchEmagRoadmapDesignModelerEnclosureSymmetryWindingbodiesWindingToolSimulation WindingBodies Tool Feature DesignModeler DM includestwonewtoolstoallowausertoeasilycreatecurrentcarryingcoils WindingBodies Usedtorepresentwoundcoilsforsourceexcitation Theadvantageofthesebodiesisthattheyarenot3DCADobjects andhencesimplifymodeling meshingofwindingstructures Upon attachtoSimulation WindingBodiesareassignedasConductorbodies WindingTool Usedtocreatemorecomplexcoilsformotorwindings TheWindingToolusesaWorksheettableformattodrivethecreationofmultiplyconnectedWindingBodies OrausercanreadinatextfilecreatedbyMSExcel Benefits Veryeasytouse rapidcreationofcoilwindings WindingBodies Alinebodycanbepromotedtoawindingbody Turnsandcross section CS dimensionsareentered Windingcross sectiondisplayed Tangentorientationvector bluearrow definesdirectionofcurrent WindingTool ComplexcoilwindingsmaybecreatedusingtheWindingTool TheWindingToolinsertsa Winding intothemodeltree A Details viewisusedforgeometricplacement WindingTool EachWindingconsistsanumberofrelatedWindingBodies TherelatedWindingBodiesareshownintheParts Bodiesbranch WindingBodies WindingTableFile EachWindinghasaWindingTableFileassociatedwithit TheWindingTableFilecanbecreateddirectlyinDMTheWindingTableFilecanbeexportedtoorimportedfromatextfile EachrowcorrespondstoacreatedWindingBody WindingTableFile TheWindingTableFilecanbeexportedtoorimportedfromatextfile WindingToolExample Winding1highlightedwithrotor CompleteDCMotormodel WindingOptions CoilsmayhavedifferentradiibetweenIN OUTslotsMultiplecoilsmaybestackedinthesameslot WindingOptions Skew AskewanglemaybeidentifiedforthecoilwindingslotsManymotordesignsemployaskewedcoilform WindingSlotClashDetection WindingToolautomaticallydetectsifthecoilclashedwithanotherpartandwarnstheuser Contents WorkbenchElectromagneticsWorkbenchEmagRoadmapDesignModelerEnclosureSymmetryWindingbodiesWindingToolSimulationToolsLayoutWindingbodiesMaterialPropertiesAirGapMeshSizingConductorsSolution SimulationToolsLayout ElectromagneticToolbar SimulationEnvironment EmagboundaryconditionsConductorsourceexcitation SolutionResultsVoltageCurrentDensityFieldForceTorqueInductanceFluxlinkage EmagSimulationWizard Interactivelywalksauserthroughrequiredanalysissteps WindingBodyTransferinSimulation Windingbodiesareautomaticallyassignedtoconductorbodies FromtheWindingTool eachPhaseWindingisassignedasauniqueconductor Inthisexample ConductorAconsistsof2windingbodies MaterialPropertySupport Bothlinear nonlinearEmagmaterialsaresupportedbyEngineeringData Softmaterials Steel iron etc Constant isotropic Laminated orthotropic Linear nonlinear singleB Hcurve Hardmaterials NdFeB SmCo Alnico LinearNonlinearLibraryof35BHcurvesprovided35commonmaterials Materials BHCurveLibrary Materials UserBHCurves BHcurveswithupto500datapointsaresupported Materials PermanentMagnets Coordinatesystemsareusedtoalignthepolarizationaxisofamagnet CartesianandRadialMagnetizationaresupported AirGapMeshSizing Requirement Inanelectromagneticsanalysismodelstypicallyincludenarrowgapsbetweenpartssuchasrotorsandstators Itisimportanttohavearefinedmeshinthesegaps Feature AirGapMeshsizing Asforothermeshcontrols airgapsareassignedunderAdvancedControlsintheMeshDetail Benefits Easytousemeshrefinement resultinginmoreaccurateanalysisresults AirGapMeshSizing ConductorObjectsidentifyconductorsforexcitation inductance andPostprocessing Canbescopedtosolidbodies solidconductors orWindingBodies woundcoils Excitation Supportsvoltageandcurrentloadingforsolidconductors CurrentandphaseanglearesupportedforWindingBodies ConductorObjects SolutionResults Vector ContourPlots Vector ContourisselectedintheSolutionobjects Definition orResultstoolbar VectorPlots Vectorplotarrowscale 2D 3Darrowsandarrowdensitycanbedefinedallowingexcellentvisualizationoftheelectromagneticfield I