Calculation of Eddy Current Fields for Coils of Arbitrary Shape
In the design of an eddy current inspection device, it is useful to have available a means of visualizing the eddy current distribution produced in the material to be tested. This is evidenced by the widespread use of the early models of Dodd and Deeds , who provided analytic solutions for the field in a number of axisymmetric probe geometries. The analytic approach was later extended [2–4] to include a more general class of coils, and was applied to the case of a circular, air-core horizontal coil .
KeywordsSolid Angle Arbitrary Shape Normal Derivative Polarization Ellipse Elliptical Polarization
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- 6.R. E. Beissner and J. A. G. Temple, NDT Comm. 4, 142 (1989).Google Scholar