Title of article :
ApplicationoffiniteelementmodelupdatingtoafeedwaterpipelineofanuclearpowerplantOriginalResearchArticle
Author/Authors :
A.Veps?، نويسنده , , John R. Haapaniemi DO، نويسنده , , P.Luukkanen، نويسنده , , Pekka Nurkkala، نويسنده , , A.Saarenheimo، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2005
Abstract :
ThisarticleisconcernedwithapplicationoffiniteelementmodelupdatingtoapartofasecondaryfeedwaterpipelineofaVVERtypenuclearpowerplant.Amathematicalmodelofthepipelinewasproducedwithfiniteelementmethod.Thepipelinewassubjectedtomodaltestinginthreedifferentconditions.Theresultsofthemodaltestingwerethencomparedwiththosepredictedwiththemodel.Thiscomparisonrevealeddiscrepanciesbetweenthesetwosetsofresults.Itisacommonlyknownfactthatincorrectvaluesofparametersinamodel,amongotherthings,docausethesediscrepancies.Inordertoimprovethecorrelationbetweenthemeasuredandthepredictedresultsandhenceimprovethereliabilityofthemodel,themodelwassubjectedtofiniteelementmodelupdating.Inthisupdatingprocess,incorrectvaluesofparametersinamodelareadjusted,sothatadesiredlevelofcorrelationbetweenmeasuredandpredictedresultsisachieved.Asaresult,thecorrelationbetweenthemeasuredandthepredictedresultswasimproved.Thebulkoftheimprovementwasachievedbyadjustingthevaluesofthoseparametersthatwereassociatedwithboundaryconditionsofthemodel.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
