HFSSFloquet

GettingStartedwithHFSS:FloquetPorts ANSYS, Inc.275 Technology DriveCanonsburg, PA 15317Tel: (+1) 724‐746‐3304Fax: (+1) 724‐514‐9494General Information: [e-mail] Support: [e-mail] 2010Inventory ********Theinformationcontainedinthisdocumentissubjecttochangewith-outnotice.Ansoftmakesnowarrantyofanykindwithregardtothismaterial,including,butnotlimitedto,theimpliedwarrantiesofmer-chantabilityandfitnessforaparticularpurpose.Ansoftshallnotbeliableforerrorscontainedhereinorforincidentalorconsequentialdamagesinconnectionwiththefurnishing,performance,oruseofthismaterial.©2010SASIPInc.,Allrightsreserved.ANSYS,Inc.275TechnologyDriveCanonsburg,PA15317USATel:([phone]Fax:[phone]GeneralInformation:[e-mail]:[e-mail]registeredtrademarksortrademarksofSASIPInc..Allothertrademarksarethepropertyoftheirrespectiveown-ers.Neweditionsofthismanualincorporateallmaterialupdatedsincethepreviousedition.Themanualprintingdate,whichindicatestheman-ual’scurrentedition,changeswhenaneweditionisprinted.Minorcorrectionsandupdatesthatareincorporatedatreprintdonotcausethedatetochange.Updatepackagesmaybeissuedbetweeneditionsandcontainaddi-tionaland/orreplacementpagestobemergedintothemanualbytheuser.Pagesthatarerearrangedduetochangesonapreviouspagearenotconsideredtoberevised.EditionDateSoftwareVersion1May2007112September2009123May201013GettingStartedwithHFSS:AWaveguideT-JunctioniiiConventionsUsedinthisGuidePleasetakeamomenttoreviewhowinstructionsandotherusefulinformationarepresentedinthisguide.•Proceduresarepresentedasnumberedlists.Asinglebul-letindicatesthattheprocedurehasonlyonestep.•Boldtypeisusedforthefollowing:-Keyboardentriesthatshouldbetypedintheirentiretyexactlyasshown.Forexample,“copyfile1”meanstotypethewordcopy,totypeaspace,andthentotypefile1.-On-screenpromptsandmessages,namesofoptionsandtextboxes,andmenucommands.Menucommandsareoftenseparatedbycarats.Forexample,clickHFSSExcitationsAssignWavePort.-Labeledkeysonthecomputerkeyboard.Forexample,“PressEnter”meanstopressthekeylabeledEnter.•Italictypeisusedforthefollowing:-Emphasis.-Thetitlesofpublications.-Keyboardentrieswhenanameoravariablemustbetypedinplaceofthewordsinitalics.Forexample,“copyfilename”meanstotypethewordcopy,totypeaspace,andthentotypeafilename.•Theplussign(+)isusedbetweenkeyboardkeystoindi-catethatyoushouldpressthekeysatthesametime.Forexample,“PressShift+F1”meanstopresstheShiftkeyandtheF1keyatthesametime.•Toolbarbuttonsserveasshortcutsforexecutingcom-mands.Toolbarbuttonsaredisplayedafterthecommandtheyexecute.Forexample,“OntheDrawmenu,clickLine”meansthatyoucanclicktheDrawLinetoolbarbuttontoexecutetheLinecommand.Alternatemethodsortipsarelistedintheleftmargininblueitalictext.GettingStartedwithHFSS:AWaveguideT-JunctionivGettingHelpAnsysTechnicalSupportTocontactAnsystechnicalsupportstaffinyourgeographicalarea,pleaselogontotheAnsyscorporatewebsite,:•Contents-clickheretoopenthecontentsoftheonlinehelp.•Seach-clickheretoopenthesearchfunctionoftheonlinehelp.•Index-clickheretoopentheindexoftheonlinehelp.Context-SensitiveHelpToaccessonlinehelpfromtheHFSSuserinterface,dooneofthefollowing:•ToopenahelptopicaboutaspecificHFSSmenucom-mand,pressShift+F1,andthenclickthecommandortoolbaricon.•ToopenahelptopicaboutaspecificHFSSdialogbox,openthedialogbox,andthenpressF1.Contents-1TableofContents1.IntroductionFloquetPortsinHFSS....................1-22.AntennaArrayArrayantennatutorialexample.............2-2CreatetheUnitCellModel.................2-4AssigntheMasterandSlaveBoundaries.....2-5AssigntheWavePort...................2-6AssigntheFloquetPort...................2-8CreatetheProjectVariables..............2-10SetuptheAnalysis.......................2-11RunAnalysisandViewResults.............2-12ParametricSweepofScanAngle...........2-13PreparetheModesfortheParametricSweep2-14ViewingtheResultsoftheParametricSweep2-173.FrequencySelectiveSurfaceModelFrequencySelectiveSurfaceExample.......3-2CreatetheUnitCellModel.................3-4CreatetheRhombicObject...............3-4CreatetheApertureObject...............3-5MovetheAperturetotheRhomboid........3-6GettingStartedwithHFSS:FloquetPortsContents-2AssigntheMasterandSlaveBoundaries.....3-7AssignthePerfectEBoundary............3-9AssigntheFloquetPorts.................3-9SetuptheAnalysis.......................3-11SetuptheSweep........................3-12ViewingtheResults......................3-13Introduction1-11IntroductionThisGettingStartedguideiswrittenforHFSSuserswhoareusingtheFloquetportfeatureinve