HFSS的后处理及场计算器的使用.ppt

HFSS的后处理及场计算器入门 电子科技大学贾宝富 AnsoftHFSS的后处理 Results CreateReport 可绘制图形 Eigenmodesolution 本征模解 EigenmodeParameters modes 本征模参数图形 DrivenModalSolution 驱动模式解 S parameters S参数图形 Y parameters Y参数图形 Z parameters Z参数图形 VSWR 驻波比 Gamma complexpropagationconstant 复数形式的传播常数 PortZo 端口波阻抗 DrivenTerminalSolution 终端驱动解 S parameters S参数图形 Y parameters Y参数图形 Z parameters Z参数图形 VSWR 驻波比 Power 功率 VoltageTransformmatrix T 电压传输矩阵 TerminalPortZo 端口波阻抗 可绘制图形 Fields 场 Mag EMag HMag JvolMag JsurfComplexMag EComplexMag HComplexMag JvolComplexMag JsurfLocal SAR SpecificAbsorptionRate Average SAR注 在绘制场图前必须先选择一个面或者一个多点线 AnsoftHFSS的后处理 Results SolutionData AnsoftHFSS的后处理 Results OutputVariables AnsoftHFSS的后处理 Fields Fields AnsoftHFSS的后处理 Radiation Radiation WhatisTimeDomainReflectometry TimeDomainReflectometry TDR measuresthereflectionsthatresultfromasignaltravellingthroughatransmissionenvironmentofsomekind acircuitboardtrace acable aconnectorandsoon TheTDRinstrumentsendsapulsethroughthemediumandcomparesthereflectionsfromtheunknowntransmissionenvironmenttothoseproducedbyastandardimpedance TheReflectionCoefficient TDRmeasurementsaredescribedintermsofaReflectionCoefficient rho Thecoefficientristheratioofthereflectedpulseamplitudetotheincidentpulseamplitude CalculatingtheImpedanceoftheTransmissionLineandtheLoad Shortandopencircuitterminations Matchedandmismatchedloadterminations Capacitiveandinductiveloadterminations Capacitiveandinductivediscontinuities Mixedcapacitiveandinductiveloading TheTDRwaveformrevealstracediscontinuities HFSSFieldCalculator Definition AtoolforperformingmathematicaloperationsonALLsavedfielddatainthemodeledgeometryE H J andPoyntingdataavailablePerformoperationsusingdrawinggeometryornewgeometrycreatedinPost3Performoperationsatsinglefrequency interpolatingordiscretesweeps orotherfrequencies fastsweep Generatenumerical graphical geometricalorexportabledataMacro enabled 表达式操作区 指定数据关联 场计算器操作区 场计算器分区 表达式操作区 建立表达式使用 Add 键 由场计算器堆栈导入表达式 使用 LoadFrom 键 由场计算器表达式文件 clc 导入表达式 输出表达式使用 Copytostack 键 将已存在的表达式导出到场计算器堆栈 使用 Saveto 键 将已存在的表达式保存成场计算器表达式文件 clc 指定关联区 指定场计算器使用数据的出处 指定求解设置指定场类型 指定频率指定相位 HFSSFieldCalculator BasicLayout StackOperations Buttonformanipulatingstack Datastack Containscurrentandsavedentriesinascrollingstacksimilartoahand heldscientificcaculator CalculatorFunctions Orgnizedgroupingsofalltheavaliablecalculatorfunctionsinbuttonformat Somebuttonscontainfurtheroptionsasdrop downmenus StatusBar notcurrentlyshown HFSSFieldCaculator DataTypes ThecalculatiorvcanmanipulatemanydifferenttypesofdataGeometricComplexVectorScalarDatatypesareindicatedinthecalculatorstackforeachentryMostcalculatoroperationsareonlyavailableontheappropriatedatatype s GeometricsurfacegeneratedalongEfieldiso valuecontour Vectordataoutputtoaplanegeometry ScalarE fielddatagraphedalongalinegeometry HFSSFieldCalculator DataIndicators EachstackentrywillbeprecededbyauniquecodedenotingitsdatatypeMathematical CVc ComplexVectorVec VectorCSc ComplexScalarScl ScalarGeometric Pnt PointLin LineSrf SourfaceVol VolumeCombinationscanalsoexistE g SclSrf ScalardatadistributedonaSurfacegeometry CACULATORUSAGEHINT Mostdatainputtypeswillbeself explanatory e g EandHfieldsbeingphasorquantitieswillbeComplexVector CVc TheonlyexceptiontothisruleisthePoyntinginput Whichwillshowupasa CVc eventhoughEXH shouldhavenoimaginarycomponent Thecalculatoronlyknowsthattwocomplexvectorwerecrossed anddoesnotknowaheadoftimethattheimaginarycomponenthasbeenzeroed HFSSFieldCalculator DetailLayout Stack AsdataisenteredintothecalculatoritappearsattheTOPofthestack pushingolderentriesDOWN UNDOattemptstotakebackthelastoperationbetweenstackenties Itmaynotworkforalldatatypes e g theresultofapuremathoperationcannotbereversed CLEARdeletesALLentriesfromthestackuponconfirmation EXCHexchangesorswapsthetoptwostackentries PUSHduplicatesthetopstackentry POPdeletesthetopentryoffthestack RLDN rolls thestackdownward movingthetopentrytothebottom RLUP rolls thestackupward movingthebottomentrytothetop HFSSFieldCalculator DetailLayout Operations SCALARcolumnoperationscanonlybeperformedonScalardata notcomplexorvectordata suchasfindingtheCosineofavalueusingthetrigfunctions OUTPUTcolumnoperationsresultinthegenerationofcalculatoroutputs ineithernumerical graphical displayedas2Dgraphsorinthe3Dview orexportedform VECTORcolumncontainsoperationstobeperformedonvectordatasuchasconvertingtoscalar DotandCrossproducts andUnitVectorcomputations GENERALcolumncontainsoperationswhichcanbeperformedonmanydatatypes e g addingscalarvaluesoraddingvectors INPUTcolumncontainalloperationswhichinputnewdataintothestack fielddata constant user enteredvectororcomplexnumbers etc Allcalculatoroperationsareorgnizedintocolumnsclassifyyingthembythetypeofoperationandthetypeofthedatauponwhichtheoperationcanbeperformed HFSSFieldCalculator DetailLayout ExplodedView HFSSFieldCalculator Usage Overview UsejustlikeascientificcalculatorSimilartoHPscientificcalculators FirstQuantity SecondQuantity Then Operation RememberstackfillsfromtheTopandpushesoldercontentsbelow GeneraluseprogressesfromlefttorightInputquantityorquantitiesatleftPerformoperationsinmiddleOperatebetweenquantities applyquantitiestogeometries etc Definedesiredoutputtypeatright CalculatorUsageHINT AnyTimeyouusethefieldpost processortoplotaquantity Plot Fields youareactuallyperformingoperationsusingthecalculator Toseethestepsthatwentintothegeneratingtheplotyoujustcreated openthecalculatorinterfaceandviewthestackcontents Thiscanoftenhelpguideyouasyoutrytousethecalculatortocreatedyourowncustomoutputs HFSSFieldCalculator Usage ChangingDataTypes Asdiscussedpreviously Manyoperationsmustbeonthecorrectdatatype Manyoperationsresultinadifferentdatatypethantheinputs Ex1 TheDotproductoftwoVectorisaScalar Ex2 ObtainingtheUnitVec NormaltoaSurfGeneratesaVector Somecalculatorbuttonsexistprimarilytoassistintypeconversion Vec ConvertsScltoVecdataScal DoesthereverseCmplx RealorCmplx ImagtakesaSclcomponentfromaCScorCVc Cmplx CmplxRorCmplx CmplxItakeaVecorSclcomponentandmakeittherealorimaginarypartofacomplexvalueCVcorCSc respectively Alwaysthinkofwhattypeofdatayouareworkingwithandwhetherornotitiscompatiblewithyourdesiredoperation Forexample nottheINTEGRALsignisintheScalarcolumn implyingthattointegratecomplexnumbersyouwillhavetointegratetherealandimaginarycomponentsseparately performinganintegrationbyparts HFSSFieldCalculator Usage InputTypes TheavailablefieldinputsareE ThecomplexvectorEfielddataeverywhereinthemodeledgeometry H ThecomplexvectorHfielddataeverywhereinthemodeledgeometry Poynting Thetime averagePoyntingvectorcomputedfromaboveas E H Jvol Currentdensityinavolume computedas j Ewhichcontainbothconductionanddisplacementcurrent Jsurf Netsurfacecurrentcomputedasn H toptetrahedra H bottomtetrahedra Unlikeotherquantities Jsurfcanonlybeoutputonanobjectsurfacegeometry EHJsurfJvolPoynting EandHarePeakPhasorrepresentationofthesteadystatefields ThereforethecurrentrepresentationJderivedfromn Hor Earealsopeakphasorquantities ThePoyntingVectorinputisatime averagedquantity HFSSFieldCalculator Usage OutputTypes DifferentdataoutputcanbegenerateddependingonselectedOutputcolumnbuttonandstackcontent s Valueisusedtotakethe value ofafieldstackentryonaspecificgeometry Evalturnstackplaceholdertextintofinalnumericalanswer WriteandExportoutputsstackdatatooutputfileformatsforuseoutsidethecalculatororcurrentproject HFSSFieldCalculator Usage PossibleOperations Aslongasyoucanperformthemathusingtheinterface thereisnorestrictiononthepossiblecalculatoroperationsavailable Outputsderivedcanbeotherthan Electromagnetic innature PureGeometricoperations vectorandsurfacecrossanddotproducts generationofiso surfacecontoursfromanyscalardatafieldimported