A 3D Model for Eddy Current Inspection in Aeronautics: Application to Riveted Structures

Abstract : Eddy current technique is currently an operational tool used for fastener inspection which is an important issue for the maintenance of aircraft structures. The industry calls for faster, more sensitive and reliable NDT techniques for the detection and characterization of potential flaws nearby rivet. In order to reduce the development time and to optimize the design and the perfor-mances assessment of an inspection procedure, the CEA and EADS have started a collaborative work aiming at extending the modeling features of the CIVA non destructive simulation plat-form in order to handle the configuration of a layered planar structure with a rivet and an embedded flaw nearby. Therefore, an approach based on the Volume Integral Method using the Green dyadic formalism which greatly increases computation efficiency has been developed. The first step, mod-eling the rivet without flaw as a hole in a multi-stratified structure, has been reached and validated in several configurations with experimental data.
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Donald O. Thompson; Dale E. Chimenti. Review of Progress in Quantitative Nondestructive Evaluation, 894, Plenum Press, pp.265 - 272, 2006, 978-0-7354-0399-4. 〈10.1063/1.2717982〉
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Séverine Paillard, Grégoire Pichenot, Marc Lambert, Hubert Voillaume. A 3D Model for Eddy Current Inspection in Aeronautics: Application to Riveted Structures. Donald O. Thompson; Dale E. Chimenti. Review of Progress in Quantitative Nondestructive Evaluation, 894, Plenum Press, pp.265 - 272, 2006, 978-0-7354-0399-4. 〈10.1063/1.2717982〉. 〈hal-01103872〉

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