Research PaperNo Access

Coupling Strategies Between Asymptotic and Numerical Models with Application to Ultrasonic Non-Destructive Testing of Surface Flaws

Alexandre Imperiale

http://orcid.org/0000-0002-0561-0081

CEA LIST, Department of Non-Destructive Testing, 91191 Gif-sur-Yvette, France

E-mail Address: alexandre.imperiale@cea.fr

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Nicolas Leymarie

CEA LIST, Department of Non-Destructive Testing, 91191 Gif-sur-Yvette, France

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Thibaud Fortuna

CEA LIST, Department of Non-Destructive Testing, 91191 Gif-sur-Yvette, France

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, and

Edouard Demaldent

CEA LIST, Department of Non-Destructive Testing, 91191 Gif-sur-Yvette, France

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https://doi.org/10.1142/S2591728518500524Cited by:5 (Source: Crossref)

Abstract

Modeling for ultrasonic testing is an important tool in industrial sectors concerned with advanced inspection methods. A significant amount of effort has been directed to building hybrid methods, which try to encompass advantages of both asymptotic and numerical methods. In our work, we consider a hybrid coupling method based upon reciprocity relations. By deriving specific formulations for the incident and diffracted fields, we apply this strategy to the case of surface and near-surface flaws. We illustrate this coupling strategy in some canonical 2D and 3D ultrasonic testing configurations.

Keywords:

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