A joint thermal and electromagnetic diagnostics approach for the inspection of thick walls

Nicolas Le Touz 1, 2 Jean Dumoulin 2, 1 Gianluca Gennarelli 3 Francesco Soldovieri 3
1 IFSTTAR/COSYS/SII - Structure et Instrumentation Intégrée
2 I4S - Statistical Inference for Structural Health Monitoring
IFSTTAR/COSYS - Département Composants et Systèmes, Inria Rennes – Bretagne Atlantique
3 IREA-CNR - Istituto per il Rilevamento Elettromagnetico dell'Ambiente [Napoli]
Abstract : In this study, we present an inversion approach to detect and localize inclusions in thick walls under natural so-licitations. The approach is based on a preliminary analysis of surface temperature field evolution with time (for instance acquired by infrared thermography); subsequently, this analysis is improved by taking advantage of a priori information provided by ground-penetrating radar reconstruction of the structure under investigation. In this way, it is possible to improve the accuracy of the images achievable with the stand-alone thermal reconstruction method in the case of quasi-periodic natural excitation.
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Geoscientific Instrumentation, Methods and Data Systems Discussions, European Geosciences Union 2017, 6 (1), pp.81 - 92. 〈10.5194/gi-6-81-2017〉
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Nicolas Le Touz, Jean Dumoulin, Gianluca Gennarelli, Francesco Soldovieri. A joint thermal and electromagnetic diagnostics approach for the inspection of thick walls. Geoscientific Instrumentation, Methods and Data Systems Discussions, European Geosciences Union 2017, 6 (1), pp.81 - 92. 〈10.5194/gi-6-81-2017〉. 〈hal-01563859〉

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