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has been cited by the following article:

• TITLE: An Introductory Note on Finite Element Problems Based on the Eddy Current Testing Approach

  AUTHORS: Antônio Flavio Licarião Nogueira, Rodolfo Lauro Weinert, Leonardo José Amador Salas Maldonado

  KEYWORDS: Eddy Current Testing, Finite Element Analysis, Nondestructive Inspection Methods

  JOURNAL NAME: Journal of Electromagnetic Analysis and Applications, Vol.13 No.11, November 3, 2021

  ABSTRACT: The paper addresses the first eddy current benchmark problem proposed by the World Federation of Nondestructive Evaluation Centers (WFNDEC). The problem simulates the eddy current response to the presence of an axisymmetric circumferential defect in an Inconel-600 tube. All simulations employ the axisymmetric code of the electromagnetic field simulator Finite Element Method Magnetics. For three different frequencies of excitation, it is explained how the displacement of the detecting coil inside the tube leads to a variation in the impedance of the eddy current coil. Variations of the resistive and inductive components of the impedance with distance from the defect region are used to build the impedance trajectory for each frequency of analysis.