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Book Sections Year : 2013

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

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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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Dates and versions

cea-01836162 , version 1 (12-07-2018)

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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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