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Mesh Refinement in Eddy Current Testing With Separated T-R Probes

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4 Author(s)
Choua, Y. ; Lab. de Genie Electr. de Paris, UPMC Univ. Paris-Sud, Gif-sur-Yvette, France ; Santandréa, L. ; Le Bihan, Y. ; Marchand, C.

In this paper we are interested in FEM mesh refinement procedure in ECT problems with separated T-R (Transmitter and Receiver probes) probes. Local error estimators used for a posteriori h-type mesh refinement are presented. They are based on the complementarity of the E and H formulations. A new estimator is proposed combining the solutions obtained by feeding alternatively the transmitter and the receiver. This estimator proves to be very accurate compared to classical ones.

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Magnetics, IEEE Transactions on  (Volume:46 ,  Issue: 8 )