Title of article
ReliabilityanalysisofpipewhipimpactsOriginalResearchArticle
Author/Authors
GintautasDundulis، نويسنده , , RobertasAlzbutas، نويسنده , , RonaldF.Kulak، نويسنده , , PaulV.Marchertas، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2005
Pages
12
From page
1897
To page
1908
Abstract
Aprobability-basedapproachispresentedastheintegrationofprobabilisticmethodsanddeterministicmodellingbasedonthefiniteelementmethod.Anexistingfiniteelementsoftwarepackagewaslinkedtoanexistingprobabilisticpackagetoanalysethecomplexmechanicsthatoccurduringthetransientnon-linearanalysisofimpactproblems.Thismethodologyisappliedtoapipewhipanalysisofagroup-distribution-header,whichresultsfromaguillotinebreak,andsubsequentimpactwiththeadjacentbuildingwall;thisisapostulatedaccidentfortheIgnalinaNuclearPowerPlantRBMK-1500reactors.Theuncertaintiesofmaterialproperties,componentgeometrydataandloadsweretakenintoconsideration.Theprobabilitiesoffailureoftheimpactedheaderandoftheheadersupport-wallwereestimatedgivenuncertaintiesinmaterialproperties,geometricalparametersandloading.ThesoftwareProFESwasusedfortheprobabilisticanalysisandthefiniteelementsoftwareNEPTUNEfordeterministicstructuralintegrityevaluation.TheMonteCarloSimulation,FirstOrderReliabilitymethodandResponseSurfacemethodwereusedintheprobabilisticanalysis.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
895914
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