Title of article :
ApplicationofprobabilisticmethodstovalidateNPPpipewhipimpactsimulationsOriginalResearchArticle
Author/Authors :
K.Petkevicius، نويسنده , , R.Kulak، نويسنده , , A.Marchertas، نويسنده , , P.Marchertas، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2006
Abstract :
Pipinginnuclearpowerplantsisvitaltotheproperoperationandsafetyofthesefacilities.Toassuresafetyintheunlikelyeventofapipebreak,itisnecessarytoevaluatetheconsequencesfromtheresultingwhippingpipeonneighboringcomponentsandstructures.Numericalsimulationsallowforrapidevaluationoftheseconsequences.Beforesimulationscanbeaccepted,however,themethodologyandcomputercodesmustbevalidatedagainstexperimentalresults.Thispaperusesaprobabilisticapproachtovalidatepipewhipsimulationsagainstlimitedexperimentalresults.Probabilisticanalysissoftwarewasdevelopedandcoupledtoexistingdeterministicfiniteelementsoftware.Anexampleofawhippingpipeimpactingagainstareinforcedconcreteslabwassimulated.Thedescribedprobabilisticapproachwasusedtovalidatethenumericalsimulations.Theconclusionsobtainedwerethatthenumericalsimulationsofwhippingpipeimpactwerevalidated,eventhoughthenumericalresultsdidnotexactlyagreewithexperimentalresults.Thechosenpointsofcomparison–namely,time-to-impactandtotalreactionforce–werewithinthe95%confidenceinterval.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
