1IFSTTAR, COSYS-SII, 44344, Bouguenais, France
2Inria, I4S Team, Campus de Beaulieu, 35042, Rennes, France
3CNR, IREA, 328 Via Diocleziano, 80124 Naples, Italy
Received: 10 Oct 2016 – Discussion started: 01 Nov 2016
Abstract. In this study, we present an inversion approach to detect and localize inclusions in thick walls under natural solicitations. 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.
Revised: 09 Jan 2017 – Accepted: 10 Jan 2017 – Published: 08 Feb 2017
Le Touz, N., Dumoulin, J., Gennarelli, G., and Soldovieri, F.: A joint thermal and electromagnetic diagnostics approach for the inspection of thick walls, Geosci. Instrum. Method. Data Syst., 6, 81-92, doi:10.5194/gi-6-81-2017, 2017.