Title of article :
BoundaryelementanalysisoninteractionofexternalsurfacecrackandembeddedcrackinapressurizedcylinderOriginalResearchArticle
Author/Authors :
ChaiGuozhong، نويسنده , , JiangXianfeng، نويسنده , , Etienne Ligan، نويسنده , , FangZhimin، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2004
Abstract :
Thispaperanalyzestheinteractionofexternalsemi-ellipticalsurfacecrackandembeddedellipticalcrackinalongitudinalplaneofapressurizedcylinder.Nonumericalsolutionappearstobeavailableintheliteraturesofar.Theanalyzedratiosofthecrackdepthtocracklength(bS/aSandbE/aE)are0.25and1.0;thedistancebetweenbothcracks(s1/bmin)rangesfrom0.5to2.0.Intotal24crackconfigurationsareanalyzedandthestressintensityfactorsalongthecrackfrontarepresented.Thenumericalresultsshowthattheinteractionmakesthestressintensityfactorsalongthecrackfrontsincreasedforboththesurfacecrackandtheembeddedcrack,comparedwiththesinglesurfacecrackandsingleembeddedcrack.Forthegivencracksizes,thestressintensityfactorsforboththesurfacecrackandembeddedcrackincreasewiththedecreaseofthedistancebetweentwocracks.Thenumericalanalysesarecarriedoutbythehybridboundaryelementmethod.
Journal title :
Nuclear Engineering and Design Eslah
Journal title :
Nuclear Engineering and Design Eslah
