Patran for Advanced Users Exercise_22_Results_Pos

PATRAN302ExerciseWorkbook-Release8.022-1LESSON22PostProcessingofResultsObjectives:■Combineresultcases.■Usefringeplotoptionstomoreaccuratelylookatstressfringeplots.■Usexyplotstoexaminestressesatspecificsections.■PerformInsightpostprocessing.22-2PATRAN302ExerciseWorkbook-Release8.0LESSON22PostProcessingofResultsPATRAN302ExerciseWorkbook-Release8.022-3ModelDescription:InthisexerciseyouwillreadinmodelandresultsfromaMSC/NASTRANoutputfileintoanewp3database.Thismodelisacleviswithtwosinusoidalloadingsalongthepinattachment,oneinthetransversedirectionandoneintheaxialdirection.Thefirstprocedurewillbetocombinetheresultsfilestocomeupwitha25timesloadintheaxialanda50timesloadinthetransversedirections.Next,youwilluseResultstoperformaseriesoffringeplotsonthemodel.Wewillbeexercisingsomeofthefringeplotoptionsaswellassortingresultsbetweenvariouscases.YouwillalsouseResults,TextReporttoobtainthemaximumstresses.Afterthisstep,youwillusegeometrytoconstructafewlinesandlookatthestressvariationalongthoselinesusingXYPlots.Finally,youwilluseInsighttoobtainvaluesatspecificnodesandwritethosevaluesouttoafile.YXZ22-4PATRAN302ExerciseWorkbook-Release8.0SuggestedExerciseSteps:■Openupanewdatabasecalledlug.dbwithamaximummodeldimensionsof10unitsandMSC/NASTRANastheanalysiscode.■Readinboththemodelandresultsandselectthefilelug.op2totranslate.■Createtwolines,onehorizontalandonevertical,tobisecttheholeofthemodel.■DeriveamaximumresultbetweentheAxialandTransverseresultcases.■Makeatextreportofthestresstensorsforthenewmaximumderivedresultcases.■MakeaVonMisesfringeplotoftheAxialresultcasefromStressTensorresults.■RepeattheabovestepfortheTransverseandDeriveloadcases.■Combinealltheresultsoftheaxialandtransverseloadcasewiththefollowingfactors:25xAxial+50xTransverse.■UsethecombinedResultCaseandselectStressTensortomakeascalarfringeplotoftheVonMisesStresses.■MakeafringeplotusingIndividualAveragingDomain.■MakeafringeplotusingConstantExtrapolationMethod.■CreateaXYplotonstresstensoralongcurve1.■CreateanotherXYplotonstresstensoralongcurve2.■ChangeInsightpreferences.■UsingtheInsightpost-processortocreateaCursortool.LESSON22PostProcessingofResultsPATRAN302ExerciseWorkbook-Release8.022-5Files:Allthefilesusedinthisexercisearelistedbelow.Eachlistingincludesthefile,whereitoriginated,itsformat(text/binary)andsummaryinformationastohowitrelatestothisexercise.FileSupplied/CreatedFormatDescriptionex10.op2SuppliedtextMSC/NASTRANresultsoutputfilethatisinasciiformat.ThisfilecontainsthemodelandresultsdatausedinthisexerciseandoriginatedfromaNASTRANsolution101run.ex10.op2.binCreatedbinaryThisfileiscreatedwhenex10.op2fileisreadintothePATRANdatabase.Thisisabinaryrepresentationoftheop2file.lug.dbCreatedbinaryThisisaPATRANdatabase(binary)createdforthisexercise.Themodelandtheresultsfiles,ex7.op2,arereadintothisdatabaseandpostprocessed.lug.msg.01CreatedtextThisfileiscreatedwheneverinformationisreadinorwrittenoutfromthePATRANdatabase.patran.prtCreatedtextThisisaPATRANtextreportfilecreatedusingtheresultsofthisexercise.ThisfilecontainsuserspecifiedresultsdataandisinASCIIformat.patran.repCreatedtextThisisareportfilecreatedusingthecursortoolinInsight.ThisfilecontainsuserspecifiedresultsdataandisinASCIIformat.OpenaNewDatabase22-6PATRAN302ExerciseWorkbook-Release8.0ExerciseProcedure:1.Createanewdatabasecalledlug.db.TheNewModelPreferencesformappears.2.Importthemodelandresultsbyreadinginan.op2file.Atthistime,youareaskedifyouwanttowaitforthetranslationprocesstoappear.ClickYes.Theviewportwilldisappearwhilethetranslationprocessisinprogress.Whentranslationisfinished,theviewportwillreappearandthemodelshouldappearinyourviewport.3.UsetheIso1Viewicontochangethemodeltoanisometricdisplay.File/New...NewDatabaseName:lugOKTolerance:uBasedonModelAnalysisCode:MSC/NASTRANAnalysisType:StructuralOK◆AnalysisAction:ReadOutput2Object:BothMethod:TranslateSelectResultsFile...SelectedResultsFileclevis.op2OKApplyOpenaNewDatabaseImportResultsandModelLESSON22PostProcessingofResultsPATRAN302ExerciseWorkbook-Release8.022-74.Createtwocurves,onethatcutsthemodelhorizontallyinhalfandoneverticalthatgoesthroughthecenterofthecircle.◆GeometryAction:Object:Method:Option:2PointStartingPointList:Node29EndingPointList:Node169ApplyIso1ViewCreateCurvesXZYNode105Node289Node169Node29CreateCurvePointDeriveaNewStressTensor22-8PATRAN302ExerciseWorkbook-Release8.0Themodelshouldnowlookliketheoneshownbelow.5.IntheResultsformderivestresstensorsfromtheAxialandTransversestresstensorresults.StartingPointList:Node105EndingPointList:Node289Apply◆ResultsAction:CreateObject:ResultsMethod:MaximumSelectResultCasesAXIAL_LOAD...TRANSVERSE_LOAD...NewResultsCaseNameDerivedResultsNewSubcaseNameSubcase3SelectedResultsStressTensor,ApplyYXZCurve1Curve2DeriveaNewStressTensorLESSON22PostProcessingofResultsPATRAN302ExerciseWorkbook-Release8.022-9Usethisnewresultcasetomakeatextreportofthestresstensors.MakesureyouareontheSelectResultsformGototheDisplayAttributesformAnewfilewillbecreatedinyourdirectoryanditiscalledpatran.prt.6.Nowwewillcreatefringeplotsofthestresstensors