Training_HFSS_3.pdf

7/28/2019 Training_HFSS_3.pdf

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HFSSTrainingHFSSTrainingHFSSTrainingHFSSTraining

(firstsEMsimulations)

Ben-GurionUniversity.CourseAntennasandRadiation.

MaksimBerezin


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HFSSHFSSHFSSHFSS HighFrequencyStructureSimulatorHighFrequencyStructureSimulatorHighFrequencyStructureSimulatorHighFrequencyStructureSimulator

Arbitrary3DVolumetricFull-WaveFieldSolverAnsoftDesktopAnsoftDesktopAnsoftDesktopAnsoftDesktop

AdvancedACISbasedModeling

TrueParametricTechnology DynamicEditing

PowerfulReportGeneration

DynamicFieldVisualization

DesignFlowAutomation

Optimetrics/AnsoftDesigner/AnsoftLinks

AdvancedMaterialTypesAdvancedMaterialTypesAdvancedMaterialTypesAdvancedMaterialTypes

FrequencyDependentMaterials

Non-linearMaterials

AnisotropicMaterialsAdvancedBoundaryConditionsAdvancedBoundaryConditionsAdvancedBoundaryConditionsAdvancedBoundaryConditions

RadiationandPerfectlyMatchedLayers

Symmetry,FiniteConductivity,InfinitePlanes,RLC,andLayeredImpedance

Master/Slave UnitCells

AdvancedSolverTechnologyAdvancedSolverTechnologyAdvancedSolverTechnologyAdvancedSolverTechnologyAutomaticConformalMeshGeneration

AdaptiveMeshGeneration

Internal/ExternalExcitations IncludesLoss

ALPSFastFrequencySweep

Eigenmode


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WhatInformationdoesHFSSCompute?

FieldsModal/Terminal/Differential

ElectricField

MagneticField

Current(Volume/Surface)

Power

SpecificAbsorptionRate

Radiation

2D/3DFar-/Near-Fields

Arrays RegularandCustomSetups

RCS

FieldCalculatorUserDefinedFieldCalculations

CommonDisplayFormats

Volume

Surface

Vector

2DReports Rectangular,Polar,RadiationPatterns

CommonOutputFormats:

Animations AVI,GIF

DataTables

Graphics WindowsClipboard,BMP,GIF,JPG,

TIFF,VRML


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WhatistheTechnologyBehindtheHFSSFieldSolver?

VolumetricFieldSolverVolumetricFieldSolverVolumetricFieldSolverVolumetricFieldSolver

Type:FullFullFullFull----WaveWaveWaveWave

SolutionMethod:3DFiniteElementMethod(FEM)3DFiniteElementMethod(FEM)3DFiniteElementMethod(FEM)3DFiniteElementMethod(FEM)

AccuracyAccuracyAccuracyAccuracy:Iftherewerenolimitsonthesizeofthematrix

andonthenumberofdigitsforcomputation,therewould

benolimittotheaccuracyoftheFiniteElementMethod!

MeshType:ConformalConformalConformalConformalMeshElement:TetrahedronTetrahedronTetrahedronTetrahedron

MeshProcess:AdaptiveAdaptiveAdaptiveAdaptive

Convergence:ComplexMagnitudeComplexMagnitudeComplexMagnitudeComplexMagnitude

ChangeinSChangeinSChangeinSChangeinS----Parameters(DeltaS)Parameters(DeltaS)Parameters(DeltaS)Parameters(DeltaS)

ExcitationsExcitationsExcitationsExcitations---- PortSolverPortSolverPortSolverPortSolver

SolutionMethod:2DFiniteElementMethod2DFiniteElementMethod2DFiniteElementMethod2DFiniteElementMethod

MeshProcess: AdaptiveAdaptiveAdaptiveAdaptive

FrequencySweepsFrequencySweepsFrequencySweepsFrequencySweeps

FastFrequencySweep:ALPS

MatrixDataandFieldsateveryfrequencyinsweep

Supportssweepsaslargeas10000datapointsfromasinglesolution.

InterpolatingSweep

AdaptiveDiscreteSweepwithcurvefitting

Supportssweepsaslargeas10000datapoints.

Numberofdiscretesolutionpointsvarieswithresponse.

Vertex:ExplicitlyVertex:ExplicitlyVertex:ExplicitlyVertex:Explicitly

SolvedSolvedSolvedSolved

Edge:ExplicitlySolvedEdge:ExplicitlySolvedEdge:ExplicitlySolvedEdge:ExplicitlySolved

Face:InterpolatedFace:InterpolatedFace:InterpolatedFace:Interpolated


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3DModeler Primitives

2DDrawObjects2DDrawObjects2DDrawObjects2DDrawObjects

Thefollowing2DDrawobjectsareavailable:

Line,Spline,Arc,EquationBasedCurve,

Rectangle,Ellipse,Circle,Regular

Polygon,

EquationBasedSurface

3DDrawObjects3DDrawObjects3DDrawObjects3DDrawObjects

Thefollowing3DDrawobjectsareavailable:

Box,Cylinder,RegularPolyhedron

Cone,Sphere,Torus,Helix,Spiral,Bond

Wire

Toolbar:Toolbar:Toolbar:Toolbar: 2DObjects Toolbar:Toolbar:Toolbar:Toolbar: 3DObjects


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TheMagicT

Thisexampleisintendedtoshowyouhowtocreate,simulate,andanalyzeaMagicT,whichisacommonlyusedmicrowavedevice,usingtheAnsoftHFSSDesignEnvironment.

Port1

Port2

Port3 Port4

Width

Length

Height

NominalDesign:NominalDesign:NominalDesign:NominalDesign:

Waveguide:Waveguide:Waveguide:Waveguide:

Width=50.0mmWidth=50.0mmWidth=50.0mmWidth=50.0mm

Height=20.0mmHeight=20.0mmHeight=20.0mmHeight=20.0mm

Length=Length=Length=Length= 50.0mm50.0mm50.0mm50.0mm


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AnsoftHFSSDesignEnvironment

ThefollowingfeaturesoftheAnsoftHFSSDesignEnvironment areusedtocreatethispassivedevicemodel

3DSolidModeling

Primitives:BoxBoxBoxBox

BooleanOperations: Unite,DuplicateUnite,DuplicateUnite,DuplicateUnite,Duplicate

Excitations

Ports:WavePortsWavePortsWavePortsWavePorts

Analysis

Sweep:FastFrequency:FastFrequency:FastFrequency:FastFrequency

Results

CartesianplottingCartesianplottingCartesianplottingCartesianplotting

Fields

3DFieldPlots,Animations3DFieldPlots,Animations3DFieldPlots,Animations3DFieldPlots,Animations


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GettingStarted

LaunchingAnsoftHFSSLaunchingAnsoftHFSSLaunchingAnsoftHFSSLaunchingAnsoftHFSS

SettingToolOptionsSettingToolOptionsSettingToolOptionsSettingToolOptions

Tosetthetooloptions:Tosetthetooloptions:Tosetthetooloptions:Tosetthetooloptions:

Note:Note:Note:Note:Inordertofollowthestepsoutlinedinthisexample,verifythatthefollowingtooloptionsareset ::::

1. SelectthemenuitemTools>Options>HFSSOptionsTools>Options>HFSSOptionsTools>Options>HFSSOptionsTools>Options>HFSSOptions

2. HFSSOptionsWindow:

1. ClicktheGeneralGeneralGeneralGeneral tab

UseWizardsfordataentrywhencreatingnewboundaries:::: CheckedCheckedCheckedChecked

Duplicateboundarieswithgeometry:::: CheckedCheckedCheckedChecked

2. ClicktheOKOKOKOK button

3. SelectthemenuitemTools>Options>3DModelerOptionsTools>Options>3DModelerOptionsTools>Options>3DModelerOptionsTools>Options>3DModelerOptions.

4. 3DModelerOptionsWindow:

1. ClicktheOperationOperationOperationOperation tab

Automaticallycoverclosedpolylines:::: CheckedCheckedCheckedChecked

2. ClicktheDrawingDrawingDrawingDrawing tab

Editpropertyofnewprimitives:::: CheckedCheckedCheckedChecked


Toolbar:Toolbar:Toolbar:Toolbar: InsertHFSSDesign


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OpeningaNewProjectOpeningaNewProjectOpeningaNewProjectOpeningaNewProject

Toopenanewproject:Toopenanewproject:Toopenanewproject:Toopenanewproject:1. InanAnsoftHFSSwindow,clickthe OntheStandardtoolbar,orselectthemenuitemFile>NewFile>NewFile>NewFile>New.

2. FromtheProjectProjectProjectProjectmenu,selectInsertHFSSDesignInsertHFSSDesignInsertHFSSDesignInsertHFSSDesign....

SetSolutionTypeSetSolutionTypeSetSolutionTypeSetSolutionType

Tosetthesolutiontype:Tosetthesolutiontype:Tosetthesolutiontype:Tosetthesolutiontype:1. SelectthemenuitemHFSS>SolutionTypeHFSS>SolutionTypeHFSS>SolutionTypeHFSS>SolutionType

2. SolutionTypeWindow:

1. ChooseDrivenModalDrivenModalDrivenModalDrivenModal



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ThreetypesofthesolutioninHFSS

HFSSHFSSHFSSHFSS---- SolutionTypesSolutionTypesSolutionTypesSolutionTypes

DrivenModalDrivenModalDrivenModalDrivenModal - calculatesthemodal-basedS-parameters.TheS-matrixsolutionswillbeexpressedintermsof

theincidentandreflectedpowersofwaveguidemodes.

GeneralizedS-parameters

DrivenTerminalDrivenTerminalDrivenTerminalDrivenTerminal - calculatestheterminal-basedS-parametersofmulti-conductortransmissionlineports.TheS-

matrixsolutionswillbeexpressedintermsofterminalvoltages andcurrents.

EigenmodeEigenmodeEigenmodeEigenmode calculatetheeigenmodes,orresonances,ofastructure.TheEigenmode solverfindstheresonantfrequenciesofthestructureandthefieldsatthoseresonantfrequencies.

Convergence

DrivenModalDrivenModalDrivenModalDrivenModal DeltaSformodalS-Parameters.

DrivenTerminalDrivenTerminalDrivenTerminalDrivenTerminal DeltaSforthesingle-endedordifferentialnodalS-Parameters.

EigenmodeEigenmodeEigenmodeEigenmode - DeltaF


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Creatingthe3DModel

SetModelUnitsSetModelUnitsSetModelUnitsSetModelUnits

Tosettheunits:Tosettheunits:Tosettheunits:Tosettheunits:

1. Selectthemenuitem3DModeler>Units3DModeler>Units3DModeler>Units3DModeler>Units

2. SetModelUnits:

1. SelectUnits:mmmmmmmm


SetDefaultMaterialSetDefaultMaterialSetDefaultMaterialSetDefaultMaterial

Tosetthedefaultmaterial:Tosetthedefaultmaterial:Tosetthedefaultmaterial:Tosetthedefaultmaterial:

1. Usingthe3DModelerMaterialstoolbar,choosevacuumvacuumvacuumvacuum

CreateTopArmCreateTopArmCreateTopArmCreateTopArm

Tocreatearm1:Tocreatearm1:Tocreatearm1:Tocreatearm1:

1. SelectthemenuitemDraw>BoxDraw>BoxDraw>BoxDraw>Box

2. Usingthecoordinateentryfields,entertheboxposition

X:----25.025.025.025.0,Y:----10.010.010.010.0,Z:0.00.00.00.0,PresstheEnterEnterEnterEnter key

3. Usingthecoordinateentryfields,entertheoppositecornerofthe

baserectangle:

dX:50.050.050.050.0,dY:20.020.020.020.0,dZ:75.0,75.0,75.0,75.0,PresstheEnterEnterEnterEnter keyTosetthename:Tosetthename:Tosetthename:Tosetthename:

1. SelecttheAttributeAttributeAttributeAttribute tabfromthePropertiesPropertiesPropertiesProperties window.

2. FortheValueValueValueValue ofNameNameNameName type:ArmArmArmArm


Tofittheview:Tofittheview:Tofittheview:Tofittheview:

1. SelectthemenuitemView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveView....OrpresstheCTRL+DCTRL+DCTRL+DCTRL+D key


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CreateWavePortExcitation1CreateWavePortExcitation1CreateWavePortExcitation1CreateWavePortExcitation1

Pickingtheportface:Pickingtheportface:Pickingtheportface:Pickingtheportface:

1. SelectthemenuitemEdit>Select>FacesEdit>Select>FacesEdit>Select>FacesEdit>Select>Faces

2. GraphicallyselectthetopfaceofthearmatZ=75mm

ToassignwaveportexcitationToassignwaveportexcitationToassignwaveportexcitationToassignwaveportexcitation

1. Selectthemenuitem HFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePort

2. WavePort:General

1. Name:p1p1p1p1

2. ClicktheNextNextNextNext button

3. WavePort:Modes


4. WavePort:PostProcessing

1. ClicktheFinishFinishFinishFinish button

Topface

WavePortFace


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Notefortheversion11.0.

Theportdefinitioninthedriventerminal solution:


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SetObjectSelectionSetObjectSelectionSetObjectSelectionSetObjectSelection

SetselecttoobjectsSetselecttoobjectsSetselecttoobjectsSetselecttoobjects

1. SelectthemenuitemEdit>Select>ObjectsEdit>Select>ObjectsEdit>Select>ObjectsEdit>Select>Objects

CreateArm2CreateArm2CreateArm2CreateArm2

Tocreatearm2:Tocreatearm2:Tocreatearm2:Tocreatearm2:

1. SelectthemenuitemEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisible....OrpresstheCTRL+ACTRL+ACTRL+ACTRL+A key.

2. Selectthemenuitem,Edit>Duplicate>AroundAxisEdit>Duplicate>AroundAxisEdit>Duplicate>AroundAxisEdit>Duplicate>AroundAxis.

1. Axis:XXXX

2. Angle:909090903. TotalNumber:2222

4. ClicktheOKOKOKOKbutton


1. SelectthemenuitemView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveView....

CreateArm3&4CreateArm3&4CreateArm3&4CreateArm3&4ToselecttheobjectArm_1:ToselecttheobjectArm_1:ToselecttheobjectArm_1:ToselecttheobjectArm_1:

1. SelectthemenuitemEdit>Select>ByNameEdit>Select>ByNameEdit>Select>ByNameEdit>Select>ByName

2. SelectObjectDialog,

1. Selecttheobjectsnamed:Arm_1Arm_1Arm_1Arm_1


Tocreatearm3&4:Tocreatearm3&4:Tocreatearm3&4:Tocreatearm3&4:1. Selectthemenuitem,Edit>Duplicate>AroundAxisEdit>Duplicate>AroundAxisEdit>Duplicate>AroundAxisEdit>Duplicate>AroundAxis.

1. Axis:ZZZZ

2. Angle:90909090

3. TotalNumber:3333


Tofittheview:Tofittheview:Tofittheview:Tofittheview:1. SelectthemenuitemView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveView....


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GrouptheArmsGrouptheArmsGrouptheArmsGrouptheArms

Togroupthearms:Togroupthearms:Togroupthearms:Togroupthearms:

1. SelectthemenuitemEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisible....OrpresstheCTRL+ACTRL+ACTRL+ACTRL+A key.2. Selectthemenuitem,3DModeler>Boolean>Unite3DModeler>Boolean>Unite3DModeler>Boolean>Unite3DModeler>Boolean>Unite



BoundaryDisplayBoundaryDisplayBoundaryDisplayBoundaryDisplay

Toverifytheboundarysetup:Toverifytheboundarysetup:Toverifytheboundarysetup:Toverifytheboundarysetup:1. SelectthemenuitemHFSS>BoundaryDisplayHFSS>BoundaryDisplayHFSS>BoundaryDisplayHFSS>BoundaryDisplay (SolverView)(SolverView)(SolverView)(SolverView)

2. FromtheSolverViewofBoundaries,toggletheVisibilitycheckboxfortheboundariesyouwishtodisplay.

Note:Note:Note:Note: Thebackground(PerfectConductor)isdisplayedastheouterouterouterouter boundary.

Note:Note:Note:Note: ThePerfectConductorsaredisplayedasthesmetalsmetalsmetalsmetal boundary.

Note:Note:Note:Note: Selectthemenuitem,View>VisibilityView>VisibilityView>VisibilityView>Visibilitytohideallofthegeometryobjects.Thismakesit

easiertoseetheboundary3. ClicktheCloseCloseCloseClose buttonwhenyouarefinished


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AnalysisSetup

CreatinganAnalysisSetupCreatinganAnalysisSetupCreatinganAnalysisSetupCreatinganAnalysisSetup

Tocreateananalysissetup:Tocreateananalysissetup:Tocreateananalysissetup:Tocreateananalysissetup:

1. SelectthemenuitemHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetup

2. SolutionSetupWindow:

1. ClicktheGeneralGeneralGeneralGeneral tab::::

SolutionFrequency:4.0GHz:4.0GHz:4.0GHz:4.0GHz

MaximumNumberofPasses:5555

MaximumDeltaSperPass:0.020.020.020.02


AddingaFrequencySweepAddingaFrequencySweepAddingaFrequencySweepAddingaFrequencySweep

Toaddafrequencysweep:Toaddafrequencysweep:Toaddafrequencysweep:Toaddafrequencysweep:

1. SelectthemenuitemHFSS>AnalysisSetup>AddSweepHFSS>AnalysisSetup>AddSweepHFSS>AnalysisSetup>AddSweepHFSS>AnalysisSetup>AddSweep

1. SelectSolutionSetup:Setup1Setup1Setup1Setup1


2. EditSweepWindow:

1. SweepType:Fast:Fast:Fast:Fast

2. FrequencySetupType:LinearCount:LinearCount:LinearCount:LinearCount

Start: 3.4GHz3.4GHz3.4GHz3.4GHz

Stop:4.0GHz:4.0GHz:4.0GHz:4.0GHz

Count:1001:1001:1001:1001

SaveFields: CheckedCheckedCheckedChecked



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SaveProjectSaveProjectSaveProjectSaveProject

Tosavetheproject:Tosavetheproject:Tosavetheproject:Tosavetheproject:1. InanAnsoftHFSSwindow,selectthemenuitemFile>SaveAsFile>SaveAsFile>SaveAsFile>SaveAs.

2. FromtheSaveAsSaveAsSaveAsSaveAswindow,typetheFilename:hfss_magic_thfss_magic_thfss_magic_thfss_magic_t

3. ClicktheSaveSaveSaveSave button

Analyze

ModelValidationModelValidationModelValidationModelValidation

Tovalidatethemodel:Tovalidatethemodel:Tovalidatethemodel:Tovalidatethemodel:

1. SelectthemenuitemHFSS>ValidationCheckHFSS>ValidationCheckHFSS>ValidationCheckHFSS>ValidationCheck

2. ClicktheCloseCloseCloseClosebutton

Note:Note:Note:Note: Toviewanyerrorsorwarningmessages,usetheMessageManager.

AnalyzeAnalyzeAnalyzeAnalyze

Tostartthesolutionprocess:Tostartthesolutionprocess:Tostartthesolutionprocess:Tostartthesolutionprocess:

1. SelectthemenuitemHFSS>AnalyzeHFSS>AnalyzeHFSS>AnalyzeHFSS>Analyze


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SolutionDataSolutionDataSolutionDataSolutionData

ToviewtheSolutionData:ToviewtheSolutionData:ToviewtheSolutionData:ToviewtheSolutionData:

1. SelectthemenuitemHFSS>Results>SolutionDataHFSS>Results>SolutionDataHFSS>Results>SolutionDataHFSS>Results>SolutionData

ToviewtheProfile:ToviewtheProfile:ToviewtheProfile:ToviewtheProfile:1. ClicktheProfileProfileProfileProfile Tab.

ToviewtheConvergence:ToviewtheConvergence:ToviewtheConvergence:ToviewtheConvergence:

1. ClicktheConvergenceConvergenceConvergenceConvergence Tab

Note:Note:Note:Note:ThedefaultviewisforconvergenceisTableTableTableTable.SelectthePlotPlotPlotPlot radiobuttontoviewa

graphicalrepresentationsoftheconvergencedata.

ToviewtheMatrixData:ToviewtheMatrixData:ToviewtheMatrixData:ToviewtheMatrixData:1. ClicktheMatrixDataMatrixDataMatrixDataMatrixData Tab

Note:Note:Note:Note:Toviewareal-timeupdateoftheMatrixData,settheSimulationtoSetup1,LastSetup1,LastSetup1,LastSetup1,Last

AdaptiveAdaptiveAdaptiveAdaptive

2. ClicktheCloseCloseCloseClose button


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CreateReports

CreateSCreateSCreateSCreateS----ParameterPlotvs.AdaptivePassParameterPlotvs.AdaptivePassParameterPlotvs.AdaptivePassParameterPlotvs.AdaptivePass

Note:Note:Note:Note:Ifthisreportiscreatedpriororduringthesolutionprocess,areal-time

updateoftheresultsaredisplayed

Tocreateareport:Tocreateareport:Tocreateareport:Tocreateareport:

1. SelectthemenuitemHFSS>Results>CreateReportHFSS>Results>CreateReportHFSS>Results>CreateReportHFSS>Results>CreateReport

2. CreateReportWindow::::

1. ReportType:ModalSParametersModalSParametersModalSParametersModalSParameters2. DisplayType:RectangularRectangularRectangularRectangular


3. TracesWindow::::

1. Solution:Setup1:Adaptive1Setup1:Adaptive1Setup1:Adaptive1Setup1:Adaptive1

2. ClicktheXXXXtab

1. UsePrimarySweep:::: UncheckedUncheckedUncheckedUnchecked2. Category:VariablesVariablesVariablesVariables

3. Quantity:Pass:Pass:Pass:Pass

3. ClicktheYYYY tab

1. Category:SParameterSParameterSParameterSParameter

2. Quantity:S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)

3. Function:dBdBdBdB4. ClicktheAddTraceAddTraceAddTraceAddTrace button

4. ClicktheDoneDoneDoneDone button


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CreateSCreateSCreateSCreateS----ParameterPlotParameterPlotParameterPlotParameterPlot

Tocreateareport:Tocreateareport:Tocreateareport:Tocreateareport:


2. CreateReportWindow::::1. ReportType:ModalSParametersModalSParametersModalSParametersModalSParameters

2. DisplayType:RectangularRectangularRectangularRectangular


3. TracesWindow::::

1. Solution:Setup1:Sweep1Setup1:Sweep1Setup1:Sweep1Setup1:Sweep1

2. Domain:SweepSweepSweepSweep3. ClicktheYYYY tab

1. Category:SParameterSParameterSParameterSParameter

2. Quantity:S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)S(p1,p1),S(p1,p2),S(p1,p3),S(p1,p4)

3. Function:dBdBdBdB

4. ClicktheAddTraceAddTraceAddTraceAddTrace button



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CreateFieldOverlayCreateFieldOverlayCreateFieldOverlayCreateFieldOverlay

Toselectanobject:Toselectanobject:Toselectanobject:Toselectanobject:


2. SelectObjectDialog,1. Selecttheobjectsnamed:ArmArmArmArm


3. SelectthemenuitemHFSS>Fields>HFSS>Fields>HFSS>Fields>HFSS>Fields>FieldsFieldsFieldsFields >E>>E>>E>>E>Mag_EMag_EMag_EMag_E

4. CreateFieldPlotWindow

1. Solution:Setup1:Setup1:Setup1:Setup1:LastAdaptiveLastAdaptiveLastAdaptiveLastAdaptive

2. Quantity:Mag_EMag_EMag_EMag_E3. InVolume:AllAllAllAllandclicktheDoneDoneDoneDone button

Tomodifytheattributesofafieldplot:Tomodifytheattributesofafieldplot:Tomodifytheattributesofafieldplot:Tomodifytheattributesofafieldplot:

1. SelectthemenuitemHFSS>Fields>ModifyPlotAttributesHFSS>Fields>ModifyPlotAttributesHFSS>Fields>ModifyPlotAttributesHFSS>Fields>ModifyPlotAttributes

2. SelectPlotFolderWindow:

1. Select:EFieldEFieldEFieldEField

2. ClicktheOKOKOKOK button3. E-FieldWindow:

1. ClickthePlotPlotPlotPlot tab

IsoValType:IsoValSurfaceIsoValSurfaceIsoValSurfaceIsoValSurface andclicktheApplyApplyApplyApply button.


FieldAnimationsFieldAnimationsFieldAnimationsFieldAnimations

ToAnimateaMagnitudefieldplot:ToAnimateaMagnitudefieldplot:ToAnimateaMagnitudefieldplot:ToAnimateaMagnitudefieldplot:1. SelectthemenuitemView>AnimateView>AnimateView>AnimateView>Animate

2. IntheSweptVariableSweptVariableSweptVariableSweptVariable tab,acceptthedefaultssettings:

1. Sweptvariable:PhasePhasePhasePhase

2. Start:0deg0deg0deg0deg

3. Stop:180deg180deg180deg180deg

4. Steps:99993. ClickOKOKOKOK


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SecondexampleSecondexampleSecondexampleSecondexample conicalhornconicalhornconicalhornconicalhorn


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AnsoftHFSSDesignEnvironmentThefollowingfeaturesoftheAnsoftHFSSDesignEnvironment areusedtocreatethispassivedevice

model:

3DSolidModeling

Primitives:CylindersCylindersCylindersCylinders

Boolean:Union,Subtract,ConnectUnion,Subtract,ConnectUnion,Subtract,ConnectUnion,Subtract,Connect

Boundaries/Excitations

Excitations:WavePortsWavePortsWavePortsWavePorts

Boundaries:RadiationRadiationRadiationRadiation

Results

Plotting: RadiationPatternRadiationPatternRadiationPatternRadiationPattern


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DesignReviewPortSize/TypePortSize/TypePortSize/TypePortSize/Type

SincetheportisexternaltothemodelwecoulduseaWavePort.Thesizeoftheportisdeterminedbythephysicaldimensionsofthewaveguide.Because thewaveguideiscircular,wemustPolarizetheE-Fieldfortheportdefinition.

FreeSpaceFreeSpaceFreeSpaceFreeSpace

Sinceweareevaluatingaradiatingstructure,weneedtocreate afreespaceenvironmentforthedevicetooperatein.ThiscanbeachievedbyusingtheRadiationBoundaryconditionoraPerfectlyMatchedLayer(PML). WewilluseaRadiationBoundarysincethesurfacewillbecylindrical.

TheRadiationBoundaryneedstobeplacedatleast/4fromradiatingdevices.Forourexamplewewillassumethat~/4(0.6in).

SometimestheRadiationBoundaryneedstobeplacedatleast/2fromradiatingdevices.


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GettingStarted

LaunchingAnsoftHFSSLaunchingAnsoftHFSSLaunchingAnsoftHFSSLaunchingAnsoftHFSS

1. ToaccessAnsoftHFSS,clicktheMicrosoftStartStartStartStart button,selectProgramsProgramsProgramsPrograms,andselecttheAnsoft,HFSS10Ansoft,HFSS10Ansoft,HFSS10Ansoft,HFSS10

programgroup.ClickHFSS10HFSS10HFSS10HFSS10.

SettingToolOptionsSettingToolOptionsSettingToolOptionsSettingToolOptionsTosetthetooloptions:Tosetthetooloptions:Tosetthetooloptions:Tosetthetooloptions:

Note:Note:Note:Note:Inordertofollowthestepsoutlinedinthisexample,verifythatthefollowingtooloptionsareset ::::

1. SelectthemenuitemTools>Options>HFSSOptionsTools>Options>HFSSOptionsTools>Options>HFSSOptionsTools>Options>HFSSOptions

2. HFSSOptionsWindow:

1. ClicktheGeneralGeneralGeneralGeneral tab

UseWizardsfordataentrywhencreatingnewboundaries:::: CheckedCheckedCheckedCheckedDuplicateboundarieswithgeometry:::: CheckedCheckedCheckedChecked


3. SelectthemenuitemTools>Options>3DModelerOptionsTools>Options>3DModelerOptionsTools>Options>3DModelerOptionsTools>Options>3DModelerOptions.

4. 3DModelerOptionsWindow:

1. ClicktheOperationOperationOperationOperation tab

Automaticallycoverclosedpolylines:::: CheckedCheckedCheckedChecked2. ClicktheDrawingDrawingDrawingDrawing tab

Editpropertyofnewprimitives:::: CheckedCheckedCheckedChecked



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OpeningaNewProjectOpeningaNewProjectOpeningaNewProjectOpeningaNewProject

Toopenanewproject:Toopenanewproject:Toopenanewproject:Toopenanewproject:

1. InanAnsoftHFSSwindow,clickthe OntheStandardtoolbar,orselectthemenuitemFile>File>File>File>NewNewNewNew.

2. FromtheProjectProjectProjectProjectmenu,selectInsertHFSSDesignInsertHFSSDesignInsertHFSSDesignInsertHFSSDesign....

SetSolutionTypeSetSolutionTypeSetSolutionTypeSetSolutionType

Tosetthesolutiontype:Tosetthesolutiontype:Tosetthesolutiontype:Tosetthesolutiontype:1. SelectthemenuitemHFSS>SolutionTypeHFSS>SolutionTypeHFSS>SolutionTypeHFSS>SolutionType

2. SolutionTypeWindow:

1. ChooseDrivenModalDrivenModalDrivenModalDrivenModal



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Creatingthe3DModel

SetModelUnitsSetModelUnitsSetModelUnitsSetModelUnits

Tosettheunits:Tosettheunits:Tosettheunits:Tosettheunits:

1. Selectthemenuitem3DModeler>Units3DModeler>Units3DModeler>Units3DModeler>Units

2. SetModelUnits:

1. SelectUnits:inininin




Usingthe3DModelerMaterialstoolbar,choosevacuumvacuumvacuumvacuum

CreateCircularWaveguideCreateCircularWaveguideCreateCircularWaveguideCreateCircularWaveguide

CreatewaveguideCreatewaveguideCreatewaveguideCreatewaveguide

1. SelectthemenuitemDraw>CylinderDraw>CylinderDraw>CylinderDraw>Cylinder2. Usingthecoordinateentryfields,enterthecylinderposition

X: 0.00.00.00.0,Y: 0.00.00.00.0,Z: 0.00.00.00.0Pressthe EnterEnterEnterEnterkey

3. Usingthecoordinateentryfields,entertheradius:

dX: 0.8380.8380.8380.838,dY: 0.00.00.00.0,dZ: 0.00.00.00.0Pressthe EnterEnterEnterEnterkey

4. Usingthecoordinateentryfields,entertheheight:

dX: 0.00.00.00.0, dY: 0.00.00.00.0,dZ: 3.03.03.03.0Pressthe EnterEnterEnterEnterkeyTosetthename:Tosetthename:Tosetthename:Tosetthename:


2. FortheValueValueValueValue ofNameNameNameName type:WaveguideWaveguideWaveguideWaveguide



1. SelectthemenuitemView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveViewView>FitAll>ActiveView....OrpresstheCTRL+DCTRL+DCTRL+DCTRL+D key


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CreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystem

CreateCSCreateCSCreateCSCreateCS

1. Selectthemenuitem3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset2. Usingthecoordinateentryfields,entertheorigin

X: 0.00.00.00.0,Y: 0.00.00.00.0,Z: 3.03.03.03.0Pressthe EnterEnterEnterEnterkey

CreateTransitionRegionCreateTransitionRegionCreateTransitionRegionCreateTransitionRegion

CreatewaveguidetransitionCreatewaveguidetransitionCreatewaveguidetransitionCreatewaveguidetransition

1. SelectthemenuitemDraw>ConeDraw>ConeDraw>ConeDraw>Cone

2. Usingthecoordinateentryfields,enterthecenterposition

X: 0.00.00.00.0,Y: 0.00.00.00.0,Z: 0.00.00.00.0PresstheEnterEnterEnterEnter key

3. Usingthecoordinateentryfields,enterthelowerradius:

dX: 0.8380.8380.8380.838,dY: 0.00.00.00.0,dZ: 0.00.00.00.0PresstheEnterEnterEnterEnter key

4. Usingthecoordinateentryfields,entertheupperradius:




Tosetthename:Tosetthename:Tosetthename:Tosetthename:


2. FortheValueValueValueValue ofNameNameNameName type:TaperTaperTaperTaper



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CreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystem

CreateCSCreateCSCreateCSCreateCS

1. Selectthemenuitem3DModeler>CoordinateSystem>Create>3DModeler>CoordinateSystem>Create>3DModeler>CoordinateSystem>Create>3DModeler>CoordinateSystem>Create>

RelativeCS>OffsetRelativeCS>OffsetRelativeCS>OffsetRelativeCS>Offset

2. Usingthecoordinateentryfields,entertheorigin


CreatetheThroatCreatetheThroatCreatetheThroatCreatetheThroat

CreateThroatCreateThroatCreateThroatCreateThroat

1. SelectthemenuitemDraw>CylinderDraw>CylinderDraw>CylinderDraw>Cylinder

2. Usingthecoordinateentryfields,enterthecylinderpositionX: 0.00.00.00.0,Y: 0.00.00.00.0,Z: 0.00.00.00.0PresstheEnterEnterEnterEnter key





Tosetthename:Tosetthename:Tosetthename:Tosetthename:1. SelecttheAttributeAttributeAttributeAttribute tabfromthePropertiesPropertiesPropertiesProperties window.

2. FortheValueValueValueValue ofNameNameNameName type:ThroatThroatThroatThroat





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GroupObjectGroupObjectGroupObjectGroupObject

Togrouptheobjects:Togrouptheobjects:Togrouptheobjects:Togrouptheobjects:1. SelectthemenuitemEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisible....OrpresstheCTRL+ACTRL+ACTRL+ACTRL+A key

2. Selectthemenuitem,3DModeler>Boolean>Unite3DModeler>Boolean>Unite3DModeler>Boolean>Unite3DModeler>Boolean>Unite

RenamegroupRenamegroupRenamegroupRenamegroup

Torenamethegroupofobjects:Torenamethegroupofobjects:Torenamethegroupofobjects:Torenamethegroupofobjects:

1.

FromtheModelModelModelModel tree,selecttheonlyobjectshown2. ClickthePropertiesPropertiesPropertiesPropertiesbutton

1. FortheValueValueValueValue ofNameNameNameName type:Horn_AirHorn_AirHorn_AirHorn_Air



SetWorkingCoordinateSystemSetWorkingCoordinateSystemSetWorkingCoordinateSystemSetWorkingCoordinateSystem

Tosettheworkingcoordinatesystem:Tosettheworkingcoordinatesystem:Tosettheworkingcoordinatesystem:Tosettheworkingcoordinatesystem:

1. Selectthemenuitem3DModeler>CoordinateSystem>SetWorkingCS3DModeler>CoordinateSystem>SetWorkingCS3DModeler>CoordinateSystem>SetWorkingCS3DModeler>CoordinateSystem>SetWorkingCS

2. SelectCoordinateSystemWindow,

1. Fromthelist,selecttheCS:GlobalGlobalGlobalGlobal

2. ClicktheSelectSelectSelectSelect button



1. Usingthe3DModelerMaterialstoolbar,chooseSelectSelectSelectSelect

2. SelectDefinitionWindow:

1. Typepecpecpecpec intheSearchbyNameSearchbyNameSearchbyNameSearchbyName field



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CreatetheHornWallCreatetheHornWallCreatetheHornWallCreatetheHornWall

CreatehornCreatehornCreatehornCreatehorn


2. Usingthecoordinateentryfields,enterthecylinderposition



dX: 1.6471.6471.6471.647,dY: 0.00.00.00.0,dZ:0.0:0.0:0.0:0.0PresstheEnterEnterEnterEnter key


dX:0.0:0.0:0.0:0.0,dY:0.0:0.0:0.0:0.0,dZ:7.463:7.463:7.463:7.463PresstheEnterEnterEnterEnter key



2. FortheValueValueValueValue ofNameNameNameName type:HornHornHornHorn




CompletetheHornCompletetheHornCompletetheHornCompletetheHorn

ToselecttheobjectToselecttheobjectToselecttheobjectToselecttheobject

SelectthemenuitemEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisibleEdit>SelectAllVisible....OrpresstheCTRL+ACTRL+ACTRL+ACTRL+A key

Tocompletethehorn:Tocompletethehorn:Tocompletethehorn:Tocompletethehorn:1. Selectthemenuitem3DModeler>Boolean>Subtract3DModeler>Boolean>Subtract3DModeler>Boolean>Subtract3DModeler>Boolean>Subtract

2. SubtractWindow

BlankParts:HornHornHornHorn

ToolParts:Horn_AirHorn_AirHorn_AirHorn_Air

Clonetoolobjectsbeforesubtract: UncheckedUncheckedUncheckedUnchecked

ClicktheOKOKOKOK button


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Usingthe3DModelerMaterialstoolbar,choosevacuumvacuumvacuumvacuum

CreateAirCreateAirCreateAirCreateAir

CreateAirCreateAirCreateAirCreateAir


2. Usingthecoordinateentryfields,enterthecylinderposition

X: 0.00.00.00.0,Y: 0.00.00.00.0,Z:0.0:0.0:0.0:0.0PresstheEnterEnterEnterEnter key







2. FortheValueValueValueValue ofNameNameNameName type:AirAirAirAir




CreateRadiationBoundaryCreateRadiationBoundaryCreateRadiationBoundaryCreateRadiationBoundary

TocreatearadiationboundaryTocreatearadiationboundaryTocreatearadiationboundaryTocreatearadiationboundary



1. Selecttheobjectsnamed:AirAirAirAir


3. SelectthemenuitemHFSS>Boundaries>Assign>RadiationHFSS>Boundaries>Assign>RadiationHFSS>Boundaries>Assign>RadiationHFSS>Boundaries>Assign>Radiation

4. RadiationBoundarywindow

1. Name:Rad1Rad1Rad1Rad1



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CreatetheWaveportCreatetheWaveportCreatetheWaveportCreatetheWaveport

Tocreateacirclethatrepresentstheport:Tocreateacirclethatrepresentstheport:Tocreateacirclethatrepresentstheport:Tocreateacirclethatrepresentstheport:

1. SelectthemenuitemDraw>CircleDraw>CircleDraw>CircleDraw>Circle

2. Usingthecoordinateentryfields,enterthecenterposition

X:0.0:0.0:0.0:0.0,Y:0.0:0.0:0.0:0.0,Z:0.0:0.0:0.0:0.0PresstheEnterEnterEnterEnter key

3. Usingthecoordinateentryfields,entertheradiusofthecircle:




2. FortheValueValueValueValue ofNameNameNameName type:p1p1p1p1


Toselecttheobjectp1:Toselecttheobjectp1:Toselecttheobjectp1:Toselecttheobjectp1:



1. Selecttheobjectsnamed:p1p1p1p1



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CreateWavePortExcitation1(Continued)CreateWavePortExcitation1(Continued)CreateWavePortExcitation1(Continued)CreateWavePortExcitation1(Continued)ToassignwaveportexcitationToassignwaveportexcitationToassignwaveportexcitationToassignwaveportexcitation

1. Selectthemenuitem HFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePortHFSS>Excitations>Assign>WavePort

2. WavePort:General

1. Name:p1p1p1p1


3. WavePort:Modes1. NumberofModes:2222

2. ForMode1Mode1Mode1Mode1,clicktheNoneNoneNoneNone columnandselectNewLineNewLineNewLineNewLine

3. Usingthecoordinateentryfields,enterthevectorposition

X::::----0.8380.8380.8380.838,Y:0.0:0.0:0.0:0.0,Z:0.0:0.0:0.0:0.0PresstheEnterEnterEnterEnter key

4. Usingthecoordinateentryfields,enterthevertex

dX:1.676:1.676:1.676:1.676,dY:0.0:0.0:0.0:0.0,dZ:0.0:0.0:0.0:0.0PresstheEnterEnterEnterEnter key5. PolarizeEField: CheckedCheckedCheckedChecked


4. WavePort:PostProcessing

5. ClicktheFinishFinishFinishFinish button


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CreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateOffsetCoordinateSystemCreateCSCreateCSCreateCSCreateCS

1. Selectthemenuitem3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset3DModeler>CoordinateSystem>Create>RelativeCS>Offset

2. Usingthecoordinateentryfields,entertheorigin

X:0.0:0.0:0.0:0.0,Y:0.0:0.0:0.0:0.0,Z:7.463:7.463:7.463:7.463PresstheEnterEnterEnterEnter key

CreateaRadiationSetupCreateaRadiationSetupCreateaRadiationSetupCreateaRadiationSetupTodefinetheradiationsetupTodefinetheradiationsetupTodefinetheradiationsetupTodefinetheradiationsetup

1. SelectthemenuitemHFSS>Radiation>InsertFarFieldSetup>InfiniteSphereHFSS>Radiation>InsertFarFieldSetup>InfiniteSphereHFSS>Radiation>InsertFarFieldSetup>InfiniteSphereHFSS>Radiation>InsertFarFieldSetup>InfiniteSphere

2. FarFieldRadiationSphereSetupdialog

InfiniteSphereInfiniteSphereInfiniteSphereInfiniteSphere Tab

1. Name:ff_2dff_2dff_2dff_2d

2. Phi:(Start:0,0,0,0,Stop:90,90,90,90,StepSize:90)90)90)90)3. Theta:(Start:----180,180,180,180,Stop:180,180,180,180,StepSize:2)2)2)2)

1.1.1.1. CoordinateSystemCoordinateSystemCoordinateSystemCoordinateSystemTab

1. SelectUselocalcoordinatesystemUselocalcoordinatesystemUselocalcoordinatesystemUselocalcoordinatesystem

2. ChooseRelativeCS3RelativeCS3RelativeCS3RelativeCS3



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AnalysisSetup

CreatinganAnalysisSetupCreatinganAnalysisSetupCreatinganAnalysisSetupCreatinganAnalysisSetup

Tocreateananalysissetup:Tocreateananalysissetup:Tocreateananalysissetup:Tocreateananalysissetup:

1. SelectthemenuitemHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetupHFSS>AnalysisSetup>AddSolutionSetup2. SolutionSetupWindow:

1. ClicktheGeneralGeneralGeneralGeneral tab::::

SolutionFrequency:5.0GHz:5.0GHz:5.0GHz:5.0GHz

MaximumNumberofPasses:10101010

MaximumDeltaSperPass:0.020.020.020.02


SaveProjectSaveProjectSaveProjectSaveProject

Tosavetheproject:Tosavetheproject:Tosavetheproject:Tosavetheproject:

1. InanAnsoftHFSSwindow,selectthemenuitemFile>SaveAsFile>SaveAsFile>SaveAsFile>SaveAs.

2. FromtheSaveAsSaveAsSaveAsSaveAswindow,typetheFilename:hfss_chornhfss_chornhfss_chornhfss_chorn

3. ClicktheSaveSaveSaveSave button

Analyze

ModelValidationModelValidationModelValidationModelValidation

Tovalidatethemodel:Tovalidatethemodel:Tovalidatethemodel:Tovalidatethemodel:

1. SelectthemenuitemHFSS>ValidationCheckHFSS>ValidationCheckHFSS>ValidationCheckHFSS>ValidationCheck

2. ClicktheCloseCloseCloseClosebuttonNote:Note:Note:Note: Toviewanyerrorsorwarningmessages,usetheMessageManager.

AnalyzeAnalyzeAnalyzeAnalyze

Tostartthesolutionprocess:Tostartthesolutionprocess:Tostartthesolutionprocess:Tostartthesolutionprocess:

1. SelectthemenuitemHFSS>AnalyzeAllHFSS>AnalyzeAllHFSS>AnalyzeAllHFSS>AnalyzeAll


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SolutionDataSolutionDataSolutionDataSolutionDataToviewtheSolutionData:ToviewtheSolutionData:ToviewtheSolutionData:ToviewtheSolutionData:

1. SelectthemenuitemHFSS>Results>SolutionDataHFSS>Results>SolutionDataHFSS>Results>SolutionDataHFSS>Results>SolutionData

ToviewtheProfile:ToviewtheProfile:ToviewtheProfile:ToviewtheProfile:

1. ClicktheProfileProfileProfileProfile Tab.

ToviewtheConvergence:ToviewtheConvergence:ToviewtheConvergence:ToviewtheConvergence:

1. ClicktheConvergenceConvergenceConvergenceConvergence TabNote:Note:Note:Note:ThedefaultviewisforconvergenceisTableTableTableTable.SelectthePlotPlotPlotPlot radiobuttontoview

agraphicalrepresentationsoftheconvergencedata.

ToviewtheMatrixData:ToviewtheMatrixData:ToviewtheMatrixData:ToviewtheMatrixData:

1. ClicktheMatrixDataMatrixDataMatrixDataMatrixData Tab

Note:Note:Note:Note:Toviewareal-timeupdateoftheMatrixData,settheSimulationtoSetup1,LastSetup1,LastSetup1,LastSetup1,Last

AdaptiveAdaptiveAdaptiveAdaptive


Far Field Overlays


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FarFieldOverlays

EditSourcesEditSourcesEditSourcesEditSources

ToModifyaTerminalexcitation:ToModifyaTerminalexcitation:ToModifyaTerminalexcitation:ToModifyaTerminalexcitation:

1. SelectthemenuitemHFSS>Fields>EditSourcesHFSS>Fields>EditSourcesHFSS>Fields>EditSourcesHFSS>Fields>EditSources

2. EditSourceswindow

1. Source:p1:m1p1:m1p1:m1p1:m1

1. ScalingFactor:1111

2. Offset:0000

2. Source: p1:m2p1:m2p1:m2p1:m2

1. ScalingFactor:1111

2. OffsetPhase:90909090


CreateFarFieldOverlayCreateFarFieldOverlayCreateFarFieldOverlayCreateFarFieldOverlay

Tocreatea2Dpolarfarfieldplot:Tocreatea2Dpolarfarfieldplot:Tocreatea2Dpolarfarfieldplot:Tocreatea2Dpolarfarfieldplot:


2. CreateReportWindow::::

1. ReportType:FarFieldsFarFieldsFarFieldsFarFields

2. DisplayType:RadiationPatternRadiationPatternRadiationPatternRadiationPattern


3. TracesWindow::::

1. Solution:Setup1:Setup1:Setup1:Setup1:LastAdaptiveLastAdaptiveLastAdaptiveLastAdaptive

2. Geometry: ff_2dff_2dff_2dff_2d

3. IntheSweepsSweepsSweepsSweeps tab

1. PrimarySweep:ClickontheNamePhiPhiPhiPhi andtoggletoThetaThetaThetaTheta

4. IntheMagMagMagMag tab

1. Category:GainGainGainGain

2. Quantity:GainLHCPGainLHCPGainLHCPGainLHCP,,,,GainRHCPGainRHCPGainRHCPGainRHCP

3. Function:dBdBdBdB



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Training_HFSS_3.pdf

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