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Hyeonbae Kang1, Mikyoung Lim1 and Gen Nakamura2
Published 11 July 2003 •
Published under licence by IOP Publishing Ltd
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Citation Hyeonbae Kang et al 2003 Inverse Problems 19 909
DOI 10.1088/0266-5611/19/4/308
We prove that the gradient of the solution to the crack problem blows up at every tip of surface breaking cracks if the boundary data satisfy a practical condition. On the basis of this result, we propose an algorithm for detecting the location, the orientation, and the intensity of the tip of a surface breaking crack.
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