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Numerical evaluation of correlation between crack size and eddy current testing signal by a very fast simulator

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4 Author(s)
T. Takagi ; Inst. of Fluid Sci., Tohoku Univ., Sendai, Japan ; Haoyu Huang ; H. Fukutomi ; Junji Tani

This paper describes work on the development of a very fast eddy current testing (ECT) signal simulator, and its application to the evaluation of the correlation between cracks and signals. This simulator is developed here based on a reduced magnetic vector potential, edge based finite elements, and the pre-computed unflawed database approach. Using this simulator, three kinds of probes are tested in terms of their linearity and signal to noise ratio

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IEEE Transactions on Magnetics  (Volume:34 ,  Issue: 5 )