Abstract
The boundary element method has been found to be a highly suitable technique for performing linear elastic stress analysis for fracture problems. Its accurate boundary solutions and ease of modelling make it a quick and reliable method of estimating stress intensity factors. While advances in specialized boundary element techniques are being made, which will enable more accurate and efficient modelling, it is still possible to obtain highly accurate results using the conventional direct boundary element method. This is done most effectively with the use of discontinuous elements. This paper describes a procedure which may be followed to obtain accurate stress intensity factor results using the BEASY software, and shows how the results compare very favourably with published text book solutions.
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