Numerical analysis of dynamic crack propagation: Generation and prediction studies

T. Nishioka, S. N. Atluri

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Results of "generation" (determination of dynamic stress-intensity factor variation with time, for a specified crack-propagation history) studies, as well as "prediction" (determination of crack-propagation history for specified dynamic fracture toughness vs crack-velocity relationships) studies of dynamic crack propagation in plane-stress/strain situations are presented and discussed in detail. These studies were conducted by using a transient finite element method wherein the propagating stress-singularities near the propagating crack-tip have been accounted for. Details of numerical procedures for both the generation and prediction calculations are succinctly described. In both the generation and prediction studies, the present numerical results are compared with available experimental data. It is found that the important problem of dynamic crack propagation prediction can be accurately handled with the present procedures.

Original languageEnglish
Pages (from-to)303-332
Number of pages30
JournalEngineering Fracture Mechanics
Volume16
Issue number3
DOIs
StatePublished - 1982

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