1、问题分析:两个圆柱形永磁铁，磁化方向为轴向，分析小圆柱磁铁在竖直方向不同位置受到的磁力。仿真步骤:-、打开MaxwelI软件，点击三维建模，保存文件及分析项目点、击*HFileEditViewProjectDrawModelerToolsWindowHelp设置SolutionType静磁场Magnetostatic求解器类型SolutionMNSD-B-EdCu5ri广TElxamg广DCCo*di:boft厂lfv：lakr|rrdjuaAsia广Etecfti:Tiarx曲吊；|5叙三、设置永磁材料HdFc3G二|ModaiVJMat
2、erials|MaterialFiltersSearchbySearchCriteriabyNamer*byPropertyISearch|RelativePermittivitydSearchParametersLibrariesPShowProjectdefinrtiorsSho%valllibrariesExporttoLibrary./NameLocationOriginRelativePermeabilityBulkConductivityNdFe36Projet1.13302740354631625000sinens/mI-yyyuvij
3、Nek。N4000-13(tm)SysLibraryMaterials100NekoN4000-13SI(tm)SysLibraryMateriak100NeitecNH9294(tm)SyLibraryMtenak100NeltecNH9200(tm)SysLibraryMaterials100NekecNH9320(tm)SyLibraryMaterials100NdtccNH9338(tm)SysLibsryMaterials100N曲ecNH9348(tm)SysliberyMaterials100NeltecNH9350(tm)SyslibvryMat
4、erials100NeltecNX9240(tmjSysLibreryMaterials100Nek”NX9245(IMJ(tm)SyslibraryMaterials100NdtecNX9294(tmjSysLibraryMateriak100NehecNX9SQ0(IM)(tm)SysLibraryMateriak100NdtecNX9320(IMl(tm)SyLibcaryMaterials100NdtecNV9208(IM)(tm)SyLibraryMaterials100AddMaterialCloneMatefial(s)RemoveMatenal(s
5、)yie%v/EditMaterials.|复制永磁材料改参数:下图中的X/Y/ZComponent后面有1/T就表示该向正/反方向就是充磁方向0View/EditMaterialMHcriolHone|NdFe37MHcrinlCooidindeSysiemTypc:Cartesian!NameTypeValueUnitsRelativePerrneabi.1Simple1133027403546.BulkConductivitySimple62EOOOsiemens/mMagneticCcercivitjVectorMagiiiudeVectorM
6、.893030Aperme.XCorrponeniUnitVector0丫CorrponeniUnitVector0ZCorrponeniUnitVector1Corrpo$i:icnSoldPropcrliejofIhcMd:ciidVicw/EdilNalciialGActiveDesiCThsProdui广AllPiodut:Vicw/EdilModiliei厂ThermalM(ValidateMateICalcdafePropertiesfor上口u丄鼻:PropertiesforPermanentMagnil厂Mu
7、&He|l.1330274OG54G31|-899300|丄冃曰曰&Br/MpQBiL2rMp|1C1859163578813OK|Cancel双击添加的材料自动加载到项目材料中四、建模添加材料I尸iI使用-建大小两个圆柱，先选中大圆柱，按住Ctrd再选小圆柱,点击DrawModelerMarvell3D中的BOOIean运算中的SubtraCt做减运算，得到空心圆柱模型小圆柱的Z向高度参数化:曰夕Solids曰NdFe36夕InncrRingCreateCylinder选中圆柱模型白夕OuterRingk-0CreateCylinderB-
8、BSubtract上右键,选择Propertiesropertie：MNSDB-MaxwcllBDDesign1ModelerCommandICommandGeateCylinderCoordinate.GlobalCenterPosit.Omm0mminnerHeightOmm,Omm.AxiszRadius20mm20mmHeight20mm20mmNumberof.00NameValueIUnit|EvaluatedVa.|Dusuription厂ShowHidden其中InnerHeight是自命名的高度参数，参数化成功。五.添加
9、求解域点击：缶jrJ在Value里输入200六.添加求解参数，即磁力MNSD-BWMaxwell3DDesign1(I&ModelBonndaries理Excitations选中小圆柱，右键单击Parameters/Assign/Force七、求解设定及网格划分网格采用自动划分，不用在MeshOperations中操作（这个是手动网格划分的选项）MNSD-B列MaxvelBDDesign1(M:QModel&Soundaries&Excitations日Parameters匚卡ZForccMeshOperationstl炉Anaysis丄炉Setup1
10、日画Optmetrics二圧ParametricSetud14NSD-BQMaxwell3DDesign1(MagnelModel&BoundariesfSExcitations:1*ParametersL卡ZForce麹MeshOperations5-炉SetuplAnalysis3匍Optimetrics即可y；2ParamctricSctup!農；arametricSetupZ上点击右键/AddSolutionSetup，默认点确定在绘图区CtrI+A,在Analysis上单击右键/AppIyMeshOperations,
11、自动网格划分完毕八、参数扫描求解就是InnerHeight的变化过程中ZForce的值Excitations勺眾ParametersL今ZForcei囲MeshOperations寸/Analysis仔Setupl右击自甸Optimetrics/Add/ParametricAdd/EdSweepVariable|lnrerHeicht三Vdn3t:leDescriptionVdn3t:leDescriptionSincjevalueGLinearstep厂LinearcomtDecadecountOctavecountUpd8：e|Up
12、d8：e|Sidit:CancelSporentiolcountCancel设置计算结果项letupSweepAnalysisSweepDefinitions|Table|GeneralCalculations|Options|EAdd/EditCalculationContextdeportFpe:Sduticn:MagnetostaticISetup1:LastAefoptivePararreter:hbneOutputVariablesTrace|CalculationRangeCalajlationExpressicn:|zF
13、orce.Fcrce_magCategory:Variables|OutputV前13已凸Quantity:|VjForceDesignExpressionCcchcExpressionconvergeZForce.Fcrce_xZForce.Fcrce.yZForce.PeezUpdateCokuationIAddCalculation1atsacosacosharg_dcaargjadasin39nhatanatarhcoscoshdPZTorce.FcrcejnagFunction:Done该界面是默认力ZForce的输出设置，设置完
14、后点击AddCalculation;如果要对Zforce插入其他公式输出，选择Catecory:IVariables|outputvavblesForceDesignExpressionCochcExpressionconvergeTrace|CalculationRange|CalcuhtonExoression:|zcrce.Force.rracQuantity:|刁ZFcrce.ForcerraiZFcrce.Force_xZf=crce.Force_yZFcrce.ForcezVariables.UpdateCacclccicriAddCa
15、lculationOutputVariablesOutoutvariabfes厂VclidatcoutputvariablesforselectedcontextName工Expression1NegativeForce-ForcejName：|AddUpcfate|DeleteExpression:ContextReportTyps:Solution:MaanetostaticFunction:|Setup1:LcStAdaptre!Parameter:|NoneQjantifesCategory:(ForceQuantity:absacosacos
16、hana_deoang_radsinasinhatanInsertIntoExpressionInsertntoExpression进行设置。-Excitatons2蚤Parameters卡ZForcei鹵MeshOperations3淨Analysis0Setup!日琦10ptimetric5.息ParametricSetupI所有都设置好以后，在卜回ResultsParametricSetup2上单击右键，选择Analyze,等待仿真计算结束后还是上图位置处右击，选择ViewAnalysisResults,即可看到仿真结果:lUPost
17、AnalysisDisplayIdrdmctricSetup2Result|Profile|“ble北i3匕即览茸“引別）16$/创血.c-owe匚jeojodzoooLL6AgE6aNClose九、磁场分布查看:&Excitations住聚Parameters；ZForce曲MeshOperationsE炉Analysis转SetuplE越Optimetrics-ParametricSetup1ParametricSetupZkEUResults先选中求解域，在FieldOverlays上右击/Fields/B/B_Vector
18、(磁长的矢量分布情况）或者Mag_B（大小强弱分布情况）CreateFieldPlot厂SpecfyName|E：_VtcVji1厂SpecfpFolderDecign:Maxvel3DDedgnlCorte-ctSolubon:|$&up1:LgtAdoplig|FiddType:|FieldsIrhinsicVariatlcjSaveAsDefaultDoneFieldCafculatoiCategory|StandardlumntkydInVdumeMaa.HH_VectorWdQBOuterRingInnaRingRegoriBVectorAIDbiecIsMmgJJ_VcclorenergyODEnerapappEnagOh们ic_Lo$TemperatureVolume_Force