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dc.contributor.authorDeb, Debasis-
dc.contributor.authorDas, Kamal Ch-
dc.description.abstractRecent developments in extended finite element method (XFEM) having strong discontinuity imbedded within a regularelement provide an opportunity to analyze discrete discontinuities in rock mass without any numerical illposedness. XFEMis based on partition unity principle and can be used for cohesive rock joints. Equilibrium equation and traction condition aresolved by Newton-Raphson method to obtain nodal displacements and external load simultaneously. This paper summarizesmathematical frameworks for implementation of strong discontinuities in 3 and 6 nodded triangular elements and alsoprovides numerical examples of application of XFEM in one and two dimensional problems with single joint. Resultsobtained from XFEM are in good agreement to those of analytical as well as experimental results.en_US
dc.sourceJSIR Vol.68(07) [July 2009]en_US
dc.subjectHeaviside functionen_US
dc.subjectPartition of unityen_US
dc.subjectShear strength of rock jointen_US
dc.titleExtended finite element method (XFEM) for analysis of cohesive rock jointen_US
Appears in Collections:JSIR Vol.68(07) [July 2009]

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