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MODELLING OF FLAW RESPONSES IN EDDY CURRENT TESTING

K. Gawrylczyk (Electrical Engineering Dept., Technical University of Szczecin A1. Piastów 19, 70–310 Szczecin, Poland)
M. Gramz (Electrical Engineering Dept., Technical University of Szczecin A1. Piastów 19, 70–310 Szczecin, Poland)
S. Gratkowski (Electrical Engineering Dept., Technical University of Szczecin A1. Piastów 19, 70–310 Szczecin, Poland)
R. Sikora (Electrical Engineering Dept., Technical University of Szczecin A1. Piastów 19, 70–310 Szczecin, Poland)
M. Zidlkowski (Electrical Engineering Dept., Technical University of Szczecin A1. Piastów 19, 70–310 Szczecin, Poland)

Abstract

This paper presents the practical configuration for detecting cracks in material, by applying an electromagnetic field along the largest dimension of the crack. An electromagnetic field formulation is proposed using Helmholtz's equation and Biot‐ Savart's law. The system equation is solved by using the finite element method (FEM). The exemplary results of calculation ‐ eddy currents lines in material and relative resistance versus probe position are presented.

Citation

Gawrylczyk, K., Gramz, M., Gratkowski, S., Sikora, R. and Zidlkowski, M. (1992), "MODELLING OF FLAW RESPONSES IN EDDY CURRENT TESTING", COMPEL - The international journal for computation and mathematics in electrical and electronic engineering, Vol. 11 No. 1, pp. 245-248. https://doi.org/10.1108/eb051798

Publisher

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MCB UP Ltd

Copyright © 1992, MCB UP Limited