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Numerical Modelling of Eddy-Current Testing in Tubes with Non-Canonical Wall Profile Using Modal Description of the Sources

Abstract : A modal decomposition of 3D current sources is introduced in the finite integration technique (FIT) discretisation scheme for the solution of eddy-current testing problems in rotationally symmetric work-pieces. The original 3D problem is reformulated in this way in calculating the vector magnetic potential profile on the ρ− z plane for a number of angular modes. The interest of such decomposition relies on the simpler and conformal discretisation of the work-piece, the reduction of the numerical noise, as well as the smaller size of the linear system, which allows the simultaneous treatment of different probe positions.
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https://hal-cea.archives-ouvertes.fr/cea-01836162
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Submitted on : Thursday, July 12, 2018 - 10:05:03 AM
Last modification on : Monday, February 10, 2020 - 6:13:47 PM

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Anastassios Skarlatos, Christophe Reboud. Numerical Modelling of Eddy-Current Testing in Tubes with Non-Canonical Wall Profile Using Modal Description of the Sources. Electromagnetic Nondestructive Evaluation (XVI), 38, pp.111 - 118, 2013, ⟨10.3233/978-1-61499-354-4-111⟩. ⟨cea-01836162⟩

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