Aa. Kolyshkin et R. Vaillancourt, COMPARING THE LAYER AND BORN APPROXIMATIONS WITH EXPERIMENTAL-DATA INEDDY-CURRENT TESTING, IEEE transactions on magnetics, 34(2), 1998, pp. 524-526
The layer and the Born approximations are used to compute the change i
n impedance of a coil due to a volumetric flaw. Computational results
are compared with experimental data found in the literature, It is sho
wn that, in general, the layer approximation better fits the experimen
tal points, However, the error depends on the other parameters of the
problem.