Title of article :
Numericalpredictionofcrackpropagationbyanenhancedelement-freeGalerkinmethodOriginalResearchArticle
Author/Authors :
Sang-HoLee، نويسنده , , Young-CheolYoon، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Pages :
15
From page :
257
To page :
271
Abstract :
Anenhancedelement-freeGalerkin(EFG)methodwithenhancementfunctionsisproposedtoimprovethesolutionaccuracyforlinearelasticfractureproblem.TheenhancementfunctionsareaddedtotheconventionalEFGapproximationfortheimplicitdescriptionofnear-tipfield.Thediscontinuityofcracksurfaceisefficientlymodeledbyintroducingadiscontinuityfunction.Essentialboundaryconditionsareenforcedwiththepenaltymethodandacouplingwithfiniteelement.Theproposedmethodmodelsthecrackgrowthimplicitlywithoutnodeoperationsothattheinitialnodearrangementisnotmodifieduntiltheendofanalysis.Numericalexamplesforvariouscrackproblemsshowtherobustnessoftheproposedmethodbyexaminingthestressintensityfactor,near-tipstressfieldanderrors.
Journal title :
Nuclear Engineering and Design Eslah
Serial Year :
2004
Journal title :
Nuclear Engineering and Design Eslah
Record number :
894656
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=894656
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