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完整版Maxwell基础教程仿真实例

2018-11-18 6页 doc 2MB 358阅读

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完整版Maxwell基础教程仿真实例说明:部分操作因版本不同存在差异静电场问题实例:平板电容器电容计算仿真平板电容器模型描述:上下两极板尺寸:25mmInsertMaxwell3DDesignFile>Saveas>PlanarCap(工程命名为“PlanarCap')选择求解器类型:Maxwell>SolutionType>Electric>Electrostatic(静电的)创建下极板六面体Draw>Box(创建下极板六面体)下极板起点:(X,Y,Z)>(0,0,0)坐标偏置:(dX,dY,dZ)>(25,25,0)坐标偏置:(dX,dY,dZ)>(0,0,...
完整版Maxwell基础教程仿真实例
说明:部分操作因版本不同存在差异静电场问实例:平板电容器电容计算仿真平板电容器模型描述:上下两极板尺寸:25mm<25mm<2mn,材料:pec(理想导体)介质尺寸:25mm<25mmInsertMaxwell3DDesignFile>Saveas>PlanarCap(工程命名为“PlanarCap')选择求解器类型:Maxwell>SolutionType>Electric>Electrostatic(静电的)创建下极板六面体Draw>Box(创建下极板六面体)下极板起点:(X,Y,Z)>(0,0,0)坐标偏置:(dX,dY,dZ)>(25,25,0)坐标偏置:(dX,dY,dZ)>(0,0,2)将六面体重命名为DownPlateAssignMaterial>pec(设置材料为理想导体perfectconducto)创建上极板六面体Draw>Box(创建下极板六面体)上极板起点:(X,Y,Z)>(0,0,3)坐标偏置:(dX,dY,dZ)>(25,25,0)坐标偏置:(dX,dY,dZ)>(0,0,2)将六面体重命名为UpPlateAssignMaterial>pec(设置材料为理想导体perfectconducto)创建中间的介质六面体Draw>Box(创建下极板六面体)介质板起点:(X,Y,Z)>(0,0,2)坐标偏置:(dX,dY,dZ)>(25,25,0)坐标偏置:(dX,dY,dZ)>(0,0,1)将六面体重命名为mediumAssignMaterial>mica(设置材料为云母mica,也可以根据实际情况设置新材料)创建计算区域(Region)PaddingPercentage0%忽略电场的边缘效应(fringingeffect)电容器中电场分布的边缘效应设置激励(AssignExcitation)选中上极板UpPlate,Maxwell3D>Excitations>Assign(计划,分配)>Voltage>5V选中下极板DownPlate,Maxwell3D>Excitations>Assign>Voltage>0V设置计算参数(AssignExecutiveParameterMaxwell3D>Parameters>Assign>Matrix(矩阵)>Voltage1,Voltage2设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses>10误差要求:PercentError>1%每次迭代加密剖分单元比例:RefinementperPass>50%Check&Run查看结果Maxwell3D>Reselts>Solutiondata>Matrix电容值:31.543pFDSTSb+BSS盟沁弼M0iea?*0030125e*W3EHd+EUHE3O00C+001歆琢畑$gfiUB+ESiJ97505+003那逐佃H9G25C+EX33:9563(*003鮎曲卄OS*2•恒定电场问题实例:导体中的电流仿真恒定电场:导体中,以恒定速度运动的电荷产生的电场称为恒定电场,或恒定电流场(DCconduction(传导))恒定电场的源:(1)VoltageExcitation,导体不同面上的电压(2)CurrentExcitations,施加在导体表面的电流(3)Sink(汇),一种吸收电流的设置,确保每个导体流入的电流等于流出的电流。只有在不使用VoltageExcitation时,才用Sink。保证'J=0DCconduction求解器:不计算导体外的电场,计算时,不考虑材料的介电常数参数。例:绘出如下图所示导体结构中的电流流向图1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>PlanarCap(工程命名为“DCConduction”)选择求解器类型:Maxwell>SolutionType>Electric>DCConduction创建导体ConductorDraw>Box起点:(X,Y,Z)>(1,-0.6,0)坐标偏置:(dX,dY,dZ)>(1,0.2,0.2)将六面体重命名为ConductorAssignMaterial>Copper(设置材料为铜)创建另3个并列的导体SelectConductorEdit>Duplicate(重复)>AlongLine(沿线复制)输入line矢量的第1个点:(0,0,0)输入line矢量的第2个点:(0,0.4,0)输入复制总数:4(包括原导体)创建导体Conductor_4Draw>Box起点:(X,Y,Z)>(0.8,-1,0)坐标偏置:(dX,dY,dZ)>(0.2,2.2,0.2)将六面体重命名为Conductor_4AssignMaterial>Copper(设置材料为铜)创建导体Conductor_5Draw>Box起点:(X,Y,Z)>(0.8,-0.4,0)坐标偏置:(dX,dY,dZ)>(-1.2,0.2,0.2)将六面体重命名为Conductor_5AssignMaterial>Copper(设置材料为铜)创建导体Conductor_6SelectConductor_5Edit>Duplicate>Mirror(镜像复制)输入对称镜像平面法向量在平面中的第1点坐标:(0,0,0)输入对称镜像平面法向量在平面外的第2点坐标:(0,1,0)上述设置表示镜像平面为XOZ平面将六面体重命名为Conductor_6创建导体Conductor_7Draw>Box起点:(X,Y,Z)>(-0.4,0.6,0)坐标偏置:(dX,dY,dZ)>(-0.4,-1.2,0.2)将六面体重命名为Conductor_sinkAssignMaterial>Copper(设置材料为铜)创建计算区域(Region)PaddingPercentage10%设置激励(AssignExcitation)按f,将体选择改为面选择2.1设置电流注入源选中如下图所示6个面Maxwell3D>Excitations>Assign>Current>1AMaxwell在上述6个面上产生6个输入电流激励源2.2设置电流汇(CurrentSink)选中Current_sink导体的下列2侧面Maxwell3D>Excitations>Assign>Sink设置剖分操作(AssignMeshOperations选中所有物体,Ctrl+AMaxwell3D>Meshoperations>Assign>InsideSelection>LengthBased不选Restrictlengthofelements选中Restrictthenumberofelements输入maximumnumberofelements10000(设置剖分单元的最大数量)设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetupDefaultCheck&Run6.后处理绘出导体中的电流流向图选中所有导体Maxwell3D>Fields>Fields>J>J_Vector调节矢量箭头尺寸一g.EeeQE+w?7.71仙删77.B71¥e+®71^™5.7?57(-wW7SiiHZSE+eerH.30000-4073.8571*4^07a.jfiaet®?i,谢缸咖Fi.2^STt-*®70便皈也他3•恒定磁场问题实例:恒定磁场力矩计算计算如下图所示永磁体模块在线圈磁场中所受力矩。1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Magnetostatic(静磁)(工程命名为“Magnetostatic”)选择求解器类型:Maxwell>SolutionType>Electric>Magnetostatic创建线圈Draw>RegularPolygon(创建线圈横截面)中心点坐标:(X,Y,Z)>(0,5,0)设置截面半径:(dX,dY,dZ)>(0.5,0,0)截面多边形边数:NumberofSegments:12将多边形重命名为Coil(线圈)选中CoilDraw>Sweep>AroundAxis(设置如下)AssignMaterial>copper(设置材料为铜)创建永磁体模型Draw>Box(创建下极板六面体)起点:(X,Y,Z)>(-3,-0.5,-0.5)坐标偏置:(dX,dY,dZ)>(6,1,1)将六面体重命名为Magnet(磁铁)AssignMaterial>NdFe35(设置材料为NdFe35铷铁硼材料)设置磁体的磁化方向(X,Y,Z)>(1,0,0)(磁体沿x轴正方向磁化)创建激励电流加载面(CreateSectionSelectCoilModeler>Surface>SectionModeler>Boolean>SeparateBodies(分离两Section面)删除1个截面Select1个截面,Del将剩下的1个截面重命名为“Section1”旋转线圈和激励电流加载面选中Coil和Section1创建计算区域(Region)Draw>RegionPaddingPercentage100%设置激励(AssignExcitation)选中线圈截面:Section1Maxwell3D>Excitations>Assign>CurrentName:Current1Value:100Type:Stranded(链)设置计算参数(AssignExecutiveParamete)选中MagnetMaxwell3D>Parameters>Assign>TorqueName:Torque1Type:VirtualAxis:Global::Z,Positive设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses:15误差要求:PercentError:1%每次迭代加密剖分单元比例:RefinementperPass:30%Check&Run查看结果Maxwell3D>Reselts>Solutiondata>Torque力矩:-2.9288E-005(N•m)XOY平面磁场强度幅值分布图MHXOY平面磁场强度方向矢量图zarx^txzz参数扫描问题实例:恒定磁场力矩计算计算如下图所示铁块所受线圈磁场的作用力。要求对线圈中的电流和铁块的高度做参数扫描,计算不同设置值时,作用力的大小。1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Parametric(工程命名为“Parametric”)选择求解器类型:Maxwell>SolutionType>Magnetostatic创建线圈Draw>RegularPolyhedron(创建多边形柱体1)CenterPosition(中心点坐标):(X,Y,Z)>(0,0,0)mmStartPosition(起点坐标):(X,Y,Z)>(1.25,0,0)mmAxis(对称轴):ZHeight(柱体高度):0.8mm多边形边数:NumberofSegments:36将多边形重命名为Polyhedron1选中Polyhedron1(创建多边形柱体2)CTRL_C,CTRL_V修改相关设置CenterPosition(中心点坐标):(X,Y,Z)>(0,0,0)mmStartPosition(起点坐标):(X,Y,Z)>(1,0,0)mmAxis(对称轴):ZHeight(柱体高度):0.8mm多边形边数:NumberofSegments:36将多边形重命名为Polyhedron2创建线圈选中Polyhedron1,Polyhedron2Modeler(建模)>Boolean>Subtract(减去)BlankPark:Polyhedron1ToolPark:Polyhedron2将Polyhedron1重命名为CoilAssignMaterial>copper(设置材料为铜)创建铁块模型Draw>Box任意创建一个6面体尺寸参数设置如下:注意:ZSize参数的值为:“SlugHeight”Piupcglji».TroiimiriyCkdubramcILrit.=MeucwuIIDc^ign13DModcleiNameValueLhdEvaLiat&dValue[DEserptianGommainclCreaieBoxGIPtHIPosilon-Q5.-C.5.Dmm■0.5mm.-05fiim.Ornmi题&1mm1mmvS«e1mmlmn»ZSneSluqHeiaft1mm・l~~ShawIfddernCancel将六面体重命名为SlugAssignMaterial>iron(设置材料为iron)创建计算区域(Region)Draw>RegionPaddingPercentage200%创建激励电流加载面(CreateSectior)SelectCoilModeler>Surface>SectionSectionPlane:YZ平面Modeler>Boolean>SeparateBodies(分离两Section面)删除1个截面Select1个截面,Del将剩下的1个截面重命名为“Section1”设置激励(AssignExcitation)选中线圈截面:Section1Maxwell3D>Excitations>Assign>CurrentCurrentEzcitationGeneral|DefaultsN:=jne:CurrentlFu"vn#l«riValue:|AmpTurns1dTyp*:CSolidSwapDirectioil|UseDefaults确定I取消Value:AmpTurnsType:Stranded(线形激励电流)设置计算参数(AssignExecutiveParamete)选中Slug(弹头)Maxwell3D>Parameters>Assign>ForceName:Force1Type:Virtual设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses:5误差要求:PercentError:1%每次迭代加密剖分单元比例:RefinementperPass:30%创建参数扫描设置Maxwell3D>OptimetricsAnalysis>AddParametric点击Add,创建扫描参数variable选择:SlugHeightlinearstepStart=1,Stop=2,Step=0.5点击Add>>按键将SlugHeight的扫描设置添加到右边空白栏variable选择:AmpTurns(设置安匝数的扫描)linearstepStart=100,Stop=200,Step=50点击Add>>按键将AmpTurns的扫描设置添加到右边空白栏点击OK.点击Calculations子菜单点击SetupCalculationsSetupSweepAnalysisAdd/EditCalculationTraceCalculationR:=LTLgeCalculationExpression:Force_magCategory:VariablesOutputVariablesDesignQuantityOutputVariablesAddCalculationRangeFunction...Function:Done点击AddCalculationsSetupl出现在SetupSweepAnalysiS菜单中点击Done在Options子菜单中选中如下设置SweepD电临tionm|Table]General|CalculaticnsOpiians两SaveFieldsAndMesh何ICopy^eomeiricaiiyequivalentmeshes!“SaveFieldandMesh”:在每一步参数扫描计算后,保存相应的计算场量和剖分信息,一般,系统为节约内存,默认不保存。“CopygeometricallyequivalentmesheS在下次计算中,可重复使用上次计算时未变形的模块的剖分数据。一般来说,频率扫描时,不推荐使用该选项,因为Ansoft的剖分算法是与频率相关的。5.Check6计算在ProjectManager窗口Optimetrics右键点击ParametricSetup1选择Analyze7.查看结果右键点击ParametricSetup1选择ViewAnalysisResult在ProjectManager窗口右键点击CreateReportCreateFields;Reportv:』gldj已亡jpertie:DeleteAllReportsReportlempltitsOutputVariables...UpdateAllReportsOpenAllReportsCreateQuickReport,..aSolutionData.-.BrowseSolutions...G・uUp..ApplySolved.Variation...设置参数如下:Kectwgulti0FlotDataTable3DBectangnilarPlotReport;ProjeGt1-■axvellSD^esignl-He>Report-H”Trace(s)Families|X:|5lughfeight|ForcemagCategory:VariablesOutput咼出也ForceDesignRangeFunction.^Function:UpdateReport雨RealUnflUpdahQuantityTCnone>absacoshanq_degang_radaslnasinhatariatanhrn*2ocputuhl曲...。址1浙“.Reportrr点击NewReportAnsonLUXYPlot1Mar^tjOD^si^nl【WOW£EOCOJIOUJOG恒定磁场实例:三相变压器电感计算计算如下图所示变压器绕组的电感。(学习半对称模型的使用half-symmetry)1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Inductanee(工程命名为“Inductanc6‘)选择求解器类型:Maxwell>SolutionType>Magnetostatic改变作图单位Modeler>Units>SelectUnits:in(inches)创建变压器铁芯框架Draw>BoxPosition:(-1,-6,0)Box尺寸:(XSize,丫Size,ZSize)>(2,12,10)Draw>BoxPosition:(-1,1,2)Box尺寸:(XSize,丫Size,ZSize)>(2,3,6)选中Box2Edit>Duplicate>AroundAxisAxis:ZAngle:180degTotalnumber:2选中Box1,Box2,Box2_1Modeler>Boolean>SubtractBlankParts:Box1ToolParts:Box2,Box2_1不要选:“ClonetoolobjectsbeforesubtractingDraw>Box(创建Gap(缺口))UhitD«scFip>tiCommand-reatebosCoordinaSy...GlobalPiosition.-1小左in-linf-Bin』2inXSiZ«2inZinYSize12ln12inZSixtO.OSin选中Box1,Box3Modeler>Boolean>SubtractBlankParts:Box1ToolParts:Box3不要选:“Clonetoolobjectsbeforesubtracting选中Box1Modeler>Boolean>SeparateBodies将分离后的模型分别重命名为:“Core_E”(原Box1)和“Core」将两者的材料重设为:“steel_1008‘steel(钢)创建线圈Modeler>GridPlane>YZDraw>Rectangle设置如下:ValueIfrdlEvaluated.DescriptionCGridPlane>XYDraw>Rectangle设置如下:IfwieValueWtEvaluatedValueDeiizri|iitianCommandCoordinateSy...CreateRectangleGlobalL.5,-65”3in】Sin,-6Sin,AxiszXSizt-3inTinISiEt3LBSin选中Rectangle2Modeler>DeleteLastOperation(形成Rectangle1围绕的轨迹)选中Rectangle1,Rectangle2Draw>Sweep>AlongPath(可以形成环形线圈)Angleoftwist:0degDraftAngle:0degDrafttype:Round选中Rectangle1Edit>Duplicate>AlongLine(X,Y,Z)>(0,0,0)(dX,dY,dZ)>(0,0,1.925TotalNumber:3选中Rectanglel,Rectangle1_1,Rectangle1_2Edit>Duplicate>AlongLine(X,Y,Z)>(0,0,0)(dX,dY,dZ)>(0,5,0)TotalNumber:3将Rectangle1,Rectangle1_和Rectangle1_2重命名为:Coil_left,Coil_left_1,Coil_left_2将中间柱上线圈重命名为:Coil_mid,Coil_mid_1,Coil_mid_2将右边柱上线圈重命名为:Coil_right,Coil_right_1,Coil_right_2将所有Coil的材料改为Copper创建激励电流加载面(CreateSection选中所有线圈Modeler>Surface>Section选中YZ平面Modeler>Boolean>SeparateBodiesEdit>Delete(删除多余的面)将左边柱上的截面重命名为:Section1,Section2,Section3将中间柱上的截面命名为:Section4,Section5,Section6将右边柱上的截面命名为:Section7,Section8,Section9创建计算区域(Region)Draw>RegionRegion[X10Region[X10PaddingDau:cpadAJIDirections■*PadIndividualDirectionsPaddingPerc^tage;Direction+-K400400Vtoo100215015D-SaveasdefadkQKcaicel设置激励(AssignExcitation)选中左边柱上线圈截面:Section1,Section2,Section3Maxwell3D>Excitations>Assign>CurrentName:PhaseAValue:-0.5*MagType:Stranded确认,弹出AddVariable窗口Variable:Mag>Value:30A选中中间柱上线圈截面:Section4,Section5,Section6Maxwell3D>Excitations>Assign>CurrentName:PhaseBValue:MagType:Stranded选中右边柱上线圈截面:Section7,Section8,Section9Maxwell3D>Excitations>Assign>CurrentName:PhaseCValue:-0.5*MagType:Stranded设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses:误差要求:PercentError:1%每次迭代加密剖分单元比例:RefinementperPass:30%设置非线性残差:nonlinearresidual:0.001设置计算参数(AssignExecutiveParamete)设置参数Matrixl(此处设置可以实现串并联和线圈匝数的设置)Maxwell>Parameters>Assign>Matrix弹出Matrix窗口在Setup子菜单下,inelude栏中确认打钩在PostProcess“子菜单下,Turns栏中全部改为30选中PhaseA_1,PhaseA_2,PhaseA_3点击按键:Group->将Group名改为PhaseA选中PhaseB_1,PhaseB_2,PhaseB_3点击按键:Group->将Group名改为PhaseB选中PhaseC_1,PhaseC_2,PhaseC_3点击按键:Group->将Group名改为PhaseC如下图所示:每个线圈有30匝,在同一个柱上的3个线圈是串联连接设置参数Matrix2Maxwell>Parameters>Assign>Matrix弹出Matrix窗口在Setup子菜单下,inelude栏中确认打钩在PostProcessin子菜单下,Turns栏中全部改为15选中PhaseA_1,PhaseA_2,PhaseA_3点击按键:Group->将Group名改为PhaseA选中PhaseB_1,PhaseB_2,PhaseB_3点击按键:Group->将Group名改为PhaseB选中PhaseC_1,PhaseC_2,PhaseC_3点击按键:Group->将Group名改为PhaseCBranches全部改为3如下图所示:每个线圈有15匝,在同一个柱上的3个线圈是串联连接Check&Run查看结果Parameters>Matrix〉点击右键)选择:ViewSolutionPha$eAPhaseSPha$eCPhaseA14.608£9G96-5,5904PhaseB-6,969615.942^.9697PhaseC-5.55046.968714.E54继续仿真(根据模型的对称特点重新建模)创建对称模型右键点击ProjectManage窗口中的MaxwellDesign1Copy右键点击ProjectManage窗口中的inductaneePaste拷贝了原工程Ctrl+A选中所有物体将原模型以YZ平面为对称面劈开,保留X轴正半轴的部分Modeler>Boolean>Split(分割)SplitPlane:YZKeepFragments:PositivesideSplitObjects:Splitentireselection2•修改计算区域Draw>Region+X:800-X:03•设置激励将模型旋转到Split面朝外按“f”键,切换选择方式为:面选择选中最右边的线圈截面Maxwell>Excitations>Assign>CurrentBaseName:PhaseA_inValue:-0.5*MagType:Stranded选中最右边线圈的另一截面:11IIHIIII][T||XMaxwell>Excitations>Assign>CurrentBaseName:PhaseA_outValue:-0.5*MagType:Stranded点击Swap(交换)(Direction,保证电流的方向是流出截面。选中中间的线圈截面IIIIZDI:■II■I:IIII20I:Maxwell>Excitations>Assign>CurrentBaseName:PhaseB_inValue:MagType:Stranded选中中间线圈的另一截面:Maxwell>Excitations>Assign>CurrentBaseName:PhaseB_outValue:MagType:Stranded点击SwapDirection,保证电流的方向是流出截面。选中最左边的线圈截面LIILIIIMaxwell>Excitations>Assign>CurrentBaseName:PhaseC_inValue:-0.5*MagType:Stranded选中最左边线圈的另一截面:Li□I||||ri亠—1xMaxwell>Excitations>Assign>CurrentBaseName:PhaseC_outValue:-0.5*MagType:Stranded点击SwapDirection,保证电流的方向是流出截面。激励设置完毕设置计算参数(AssignExecutiveParamete)Maxwell>Parameters>Assign>Matrix弹出Matrix窗口在Setup子菜单下,inelude栏中确认打钩在PostProcess“子菜单下,Turns栏中全部改为30选中PhaseA_in_1,PhaseA_in_2,PhaseA_in_3点击按键:Group->将Group名改为PhaseA选中PhaseB_in_1,PhaseB_in_2,PhaseB_in_3点击按键:Group->将Group名改为PhaseB选中PhaseC_in_1,PhaseC_in_2,PhaseC_in_3点击按键:Group->将Group名改为PhaseCCheek&Run查看结果Parameters>Matrix〉点击右键)选择:ViewSolutionPhaseAPhaseBPhaseCPhaseA7.3294■3.4844■27764PhaseB-348447.9711■3.463PhaseCi77E+'3.4S373259计算结果为原来的一半,因为模型也是原来的一半。选中Ring01_PAGE\*MERGEFORMAT#选中Ring01_PAGE\*MERGEFORMAT#6.永磁体磁化方向设置:局部坐标系的使用绘制4个同样形状的环状永磁体,对其设置不同的磁化方向,显示每个永磁体磁环的磁场分布。建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Magne(t工程命名为“Magnet”)选择求解器类型:Maxwell>SolutionType>Magnetostatic右键点击项目管理器中的MaxwellDesign1,重命名为Ring01创建第1个磁环Draw>RegularPolyhedron(创建多边形柱体1)输入centerposition:(X,Y,Z):(0,0,-4)输入圆柱体的半径和高度:(dX,dY,dZ):(40,0,8)Numberofsegments:36将RegularPolyhedron1重命名为Ring01_1,颜色改为blueDraw>RegularPolyhedron(创建多边形柱体2)输入centerposition:(X,Y,Z):(0,0,-4)输入圆柱体的半径和高度:(dX,dY,dZ):(30,0,8)Numberofsegments:36将RegularPolyhedron1重命名为Hole选中Ring01_1和Hole(用Ring01_1减去Hole,得到圆环柱)Modeler>Boolean>SubtractBlankParts:Ring01_1ToolParts:Hole设置磁环Ring01_1的材料AssignMaterialAddMaterialMaterialNameMagOIMaterialCoordinateSystemCylindricalMagnitude(大小)-837000RComponent1Ring01_1磁环以全局坐标系Globa啲Z轴为对称轴,其磁化方向以Z轴为轴心线,向外沿半径方向发散。创建第2个磁环选中Ring01_1右键:Edit>Duplicate>AlongLine(X,Y,Z):(0,0,0)(dX,dY,dZ):(120,0,0)TotalNumber:2将Ring01_1_1重命名为:Ring01_2创建局部坐标系:RelativeCS_Mag01_2Modeler>Coordinate(坐标)(System>Create>RelativeCS>Offset(X,Y,Z):(120,-50,0)设置局部坐标系的坐标原点双击CoordinateSystem栏下的RelativeCS1,将其重命名为:RelativeCS_Mag01_2-6?Sfllids--QKingQIJ巳CreateRegnlarPolyhe<1+QSubtreetDupliuateAltmgLinetOEingQl_2-匸CoordinateSystensAGlobaljiiiiwiiimum■■rBaiimiiiiwiimiimHimi■■■■■■b+野Plants+CyLists选中Ring01_2鼠标右键点击,Edit>Properties将Ring01_2磁环的工作坐标系改为局部坐标系RelativeCS_Mag01_2选中Ring02_PAGE\*MERGEFORMAT#选中Ring02_PAGE\*MERGEFORMAT#WarneValueRmgQl_2MaterialMagOLSolveIiLEide応7Orientationjjlobsl诙delGlobalDismayffiraf...ColorJblAssignedTransparentCRing01_2磁环以局部坐标系RelativeCS_MagO1_2勺Z轴为对称轴,磁化方向向外沿半径方向发散。将工作坐标系切换回GlobaI坐标:Modeler>CoordinateSystem>SetWorking>Global创建磁环3和磁环4选中Ring01_1和Ring01_2右键:Edit>Duplicate>AlongLine(X,Y,Z):(0,0,0)(dX,dY,dZ):(0,120,0)TotalNumber:2将Ring01_1_1重命名为:Ring02_1将Ring01_2_1重命名为:Ring02_2创建Ring02_2磁环的局部坐标系:RelativeCS_Mag02_2Modeler>CoordinateSystem>Create>RelativeCS>Both(X,Y,Z):(120,120,0)设置局部坐标系的坐标原点设置坐标系的翻转:(dX,dY,dZ):(1,0,0),Enter(dX,dY,dZ):(0,0,-1),Enter双击CoordinateSystem栏下的RelativeCS1,将其重命名为:RelativeCS_Mag02_2将工作坐标系切换回GlobaI坐标:Modeler>CoordinateSystem>SetWorking>Global10鼠标右键点击,Edit>Properties将Ring02_2磁环的工作坐标系改为局部坐标系RelativeCS_MagO2_22.设置磁环Ring02_1和Ring02_2的材料选中Ring02_1和Ring02_2鼠标右键:AssignMaterialCloneMaterialMaterialName:Mag02MaterialCoordinateSystem:Cylindrical(圆柱)Magnitude:-837000RComponent:0ZComponent:1Ring02_1沿全局坐标系Global的Z轴方向磁化。Ring02_2沿局部坐标系RelativeCS_Mag02_2的Z轴方向磁环3.创建计算区域(Region)将工作坐标系切换回GlobaI坐标:Modeler>CoordinateSystem>SetWorking>GlobalDraw>Region4.设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses:误差要求:PercentError:3%每次迭代加密剖分单元比例:RefinementperPass:30%非线性残差:NonlinearResidual:0.015.Check&Run6.查看结果绘出磁感应强度矢量图:Fields>B>B_Vector调整矢量箭头:Scale子菜单选中UseLimitsMin:0Max:1ApplyMarker/Arrow子菜单去除MapSize选项调节Size滑标到其1/3处ApplyPlots子菜单选中Uniform将Spacingsize滑标移到最小Min3Maxs10Apply.B[叮10000e*00092857e0018571He00178571e00171429e00164286e001571H3e00150OOTe00142857e0013571Me00128571e0012lU29e00114286e00171429e0020OOOTe*093B[T]1.0e03e*0309.2&57e-O318.571We-0317.8571e-O017.1M29e-0316.M286e-eei5.71»f3e-G315.0G00e-0314.2857e-O013.571We-O012.8571e-0012.1M29e-O01l.H286e-0317.1H29e-0026OCO0e*O0OMaster/Slave边界使用实例:直流无刷电机内磁场计算计算如下图所示四极无刷直流电机内的磁场分布。通过对比全模型和1/4模型的仿真,掌握匹配边界Master/Slave的用法。一.全模型仿真1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Master_Slave将名由Maxwell3DDesign1改为Full_Model_1选择求解器类型:Maxwell>SolutionType>Magnetostatic创建电机模型调用模型库中的现有模型Draw>UserDefinedPrimitive>Syslib>Rmxprt>SRMCore电机的参数设计如下:UnitJ吓臨iplionCr*ii4t«VsarD«f]n«4FurtCowdimt*SjfwZGhbUDLLHanaKflxprt/SKHTorgSIX"罪虹卯syilib*SIXVorsicp12-030nnSOinCor«diaiibt«Fang-aps3Dh町GibTa..9i«yokaISOnnlSOriiiCar^dianbt«ranyok#xiid.«?Biork^iiLa...SOnnlOrmCar*length.FciL*x:44Kun!b*rofpoltxTIMoke15mn15Boolean>SeparateBodiesCoil4将线圈重命名为按逆时针顺序改为Coill,Coil2,Coil3,创建线圈的电流加载面选中4个线圈,得到线圈截面Modeler>Surface>Section>XYPlane分离线圈截面Modeler>Boolean>SeparateBodies删除多余的截面Del2•设置激励电流选中所有截面Maxwell>Excitations>Assign>CurrentValue:100AmpsType:Stranded创建计算区域(Region)Draw>RegionPaddingPercentage10%设置自适应计算参数(CreateAnalysisSetupMaxwell3D>AnalysisSetup>AddSolutionSetup最大迭代次数:Maximumnumberofpasses:15误差要求:PercentError:1%每次迭代加密剖分单元比例:RefinementperPass:30%Check&Run查看结果Planes>Global:XYFieldOverlays>Fields>H>H_Vector>Done二.1/4模型仿真在Projectmanage栏下,选中Full_Model_1>Copy>Paste得到原设计的copy,重命名为Full_Model_2Ctrl+A,选中所有模型Modeler>Boolean>SplitSplitPlane>YZKeepFragments>PositiveSideSplitObjects>SplitentireselectionModeler>Boolean>SplitSplitPlane>XZKeepFragments>PositiveSideSplitObjects>Splitentireselection修改Region区域N:=JTit:Value:UnitEv:iluatmd.V:ilueCorTirTi:mdCreatmEEgionCijurdinateSystmmGlob:il+XFaddingPercent注巨包1010_XFaddingPercentage00+1PaddingFercen1010-iFaddingPercentageLI0+ZFaddingPercentage1010_ZFaddingPercentage1010旋转模型,使XZ面朝外按F键,将体选择改为面选择选中XZ面AssignBoundary>Master选择NewVector沿着Z轴正方向设置UVector向量起点(0,0,-20)终点(0,0,20)形成Masterl面如下:旋转模型,使YZ面朝外选中YZ面AssignBoundary>SlaveSlaveBoundaryGm1^14|D^lanlEgIlSIgyelMasterBojnder/問aater"匚oordirSystemUVecto匚jOefiiecVVesorFlfrlabon:UsgD^rautsC&ncel得到下图Check&Run查看结果Planes>Global:XYFieldOverlays>Fields>H>H_Vector>Done涡流场实例建立如下图所示的涡流分析模型十—Stock(Aluminum)Coil(Copper)1.建模(Model)Project>InsertMaxwell3DDesignFile>Saveas>Eddycurrent(工程命名为“Eddycurrent”)选择求解器类型:Maxwell>SolutionType>eddycurrent改变作图单位Modeler>Units>SelectUnits:mm创建铝板模型(stock)Draw>BoxPosition:(0,0,0)Box尺寸:(XSize,丫Size,ZSize)>(294,294,19)重命名为:stockDraw>BoxPosition:(18,18,0)Box尺寸:(XSize,丫Size,ZSize)>(126,126,19)重命名为:holeCTRL+A,选中两Box模型Modeler>Boolean>SubtractBlankParts:stockToolParts:hole得到铝板模型如下:材料设置为Aluminum创建线圈模型(coil)Draw>BoxPosition:(119,25,49)Box尺寸:(XSize,丫Size,ZSize)>(150,150,100)重命名为:coilhole按E键,将体选择改为边选择选中coilhole模型的4个竖边,如下图所示:将所选边缘圆滑化Modeler>FilletFillet参数设置:FilletRadius:25mmSetbackDistanee:0mmDraw>BoxPosition:(94,0,49)Box尺寸:(XSize,丫Size,ZSize)>(200,200,100)重命名为:coil按E键,将体选择改为边选择选中coil模型的4个竖边,将所选边缘圆滑化Modeler>FilletFillet参数设置:FilletRadius:50mmSetbackDistanee:0mm选中coil和coilhole模型Modeler>Boolean>SubtractBlankParts:coilToolParts:coilhole得到coil模型如下:将coil的材料改为copper创建相对坐标系Modeler>CoordinateSystem>Create'RelativeCS>Offset相对坐标偏置X:200,Y:100,Z:0设置激励电流加载面选中coilModeler>Surface>Section>XZModeler>Boolean>SeparateBodiesDel设置激励选中线圈的截面Maxwell3D>Excitations>Assign>CurrentName:Current1Value:2742AType:Stranded设置涡流存在区域Maxwell3D>Excitations>SetEddyEffectsSetEddyE
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