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Challenges in numerical simulation of electromagnetic material evaluation processes for ferromagnetic specimens

Abstract : The numerical solution of the non-linear, hysteretic electromagnetic induction problem involved in material evaluation techniques is discussed. The general solution scheme for this kind of problems is presented, and emphasis is given at those specific points, which are critical for the solution accuracy and the performance of the solver. For the purposes of this study, two representative cases, frequently met in material evaluation applications, namely the inspection of a planar ferromagnetic specimen via a magnetic yoke and a set of air-coils, respectively, are treated using two numerical solvers based on the Finite Integration Technique (FIT) and the Finite Elements Technique (FEM). The results obtained with these two methods and the respective performances of the solvers are discussed.
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https://hal-cea.archives-ouvertes.fr/cea-01844058
Contributor : Léna Le Roy <>
Submitted on : Thursday, July 19, 2018 - 10:14:59 AM
Last modification on : Monday, February 10, 2020 - 6:13:47 PM

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  • HAL Id : cea-01844058, version 1

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A. Skarlatos, T. Svatoň. Challenges in numerical simulation of electromagnetic material evaluation processes for ferromagnetic specimens. 54th Annual British Conference of Non-Destructive Testing, NDT 2015, Sep 2015, Telford, United Kingdom. ⟨cea-01844058⟩

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