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The development and application of various analytical and computational procedures have provided important information regarding the crack-front fields, and associated cracking phenomena, in engineering structures typified by surface crack configurations. Major features of the formulation of several of these numerical approaches are discussed along with certain particular results which have been obtained by using them, with emphasis on surface crack applications.
fracture mechanics, surface cracks, corner singularities, numerical methods, singular integral/finite-element hybrid methods, virtual crack extension, domain integral methods, line-spring model, linear-elastic fracture mechanics (LEFM), elastic-plastic fracture mechanics, J, -integral, Hutchinson-Rice-Rosengren, (HRR) singularities, HRR dominance
Associate professor, Massachusetts Institute of Technology, Cambridge, MA