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
Pages
17
From page
1849
To page
1865
Abstract
ThisarticleisconcernedwithapplicationoffiniteelementmodelupdatingtoapartofasecondaryfeedwaterpipelineofaVVERtypenuclearpowerplant.Amathematicalmodelofthepipelinewasproducedwithfiniteelementmethod.Thepipelinewassubjectedtomodaltestinginthreedifferentconditions.Theresultsofthemodaltestingwerethencomparedwiththosepredictedwiththemodel.Thiscomparisonrevealeddiscrepanciesbetweenthesetwosetsofresults.Itisacommonlyknownfactthatincorrectvaluesofparametersinamodel,amongotherthings,docausethesediscrepancies.Inordertoimprovethecorrelationbetweenthemeasuredandthepredictedresultsandhenceimprovethereliabilityofthemodel,themodelwassubjectedtofiniteelementmodelupdating.Inthisupdatingprocess,incorrectvaluesofparametersinamodelareadjusted,sothatadesiredlevelofcorrelationbetweenmeasuredandpredictedresultsisachieved.Asaresult,thecorrelationbetweenthemeasuredandthepredictedresultswasimproved.Thebulkoftheimprovementwasachievedbyadjustingthevaluesofthoseparametersthatwereassociatedwithboundaryconditionsofthemodel.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2005
Journal title
Nuclear Engineering and Design Eslah
Record number
894963
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