Abstract
This paper discusses the application of the boundary element method for the determination of stress intensity factors in plate bending problems. A number of case studies having a range of plan forms, with different combinations of boundary conditions, crack configurations and loading conditions are presented to illustrate the effectiveness of the boundary element method for the fracture analysis of plates. Results of K I, K II and K III stress intensity factors for linear elastic fracture mechanics are presented for the case studies considered. The J-integral method, the displacement extrapolation method, the quarter point approach and the stress extrapolation method have been used to determine the stress intensity factors. The boundary element results for the case studies considered in the paper have been compared with either analytical or finite element results and in all cases good agreement has been achieved.
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