Title of article
AsimplifiedtechniqueforshakedownlimitloaddeterminationOriginalResearchArticle
Author/Authors
HanyF.Abdalla، نويسنده , , MohammadM.Megahed، نويسنده , , MaherY.A.Younan، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2007
Pages
10
From page
1231
To page
1240
Abstract
Inthispaper,asimplifiedtechniqueispresentedtodeterminetheshakedownlimitloadofastructureusingthefiniteelementmethod.Thesimplifiedtechniquedeterminestheshakedownlimitloadwithoutperforminglengthytimeconsumingfullelastic-plasticcyclicloadingsimulationsorconventionaliterativeelastictechniques.Instead,theshakedownlimitloadisdeterminedbyperformingtwoanalysesnamely:anelasticanalysisandanelastic-plasticanalysis.Byextractingtheresultsofthetwoanalyses,theshakedownlimitloadisdeterminedthroughthecalculationoftheresidualstressesdevelopedwithinthestructure.Thesimplifiedtechniqueisappliedandverifiedusingtwobenchmarkshakedownproblemsnamely:thetwo-barstructuresubjectedtoconstantaxialforceandcyclicthermalloading,andtheBreecylindersubjectedtoconstantinternalpressureandcyclichightemperaturevariationacrossitswall.Theresultsofthesimplifiedtechniqueshowedverygoodcorrelationwiththe,analyticallydetermined,Breediagramsofbothstructures.Inordertogainconfidenceinthesimplifiedtechnique,theshakedownlimitloadsoutputbythesimplifiedtechniqueareusedtoperformfullelastic-plasticcyclicloadingsimulationstocheckforshakedownbehaviorofbothstructures.
Journal title
Nuclear Engineering and Design Eslah
Serial Year
2007
Journal title
Nuclear Engineering and Design Eslah
Record number
941383
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