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Reconstruction of the spatial dependency of dielectric and geometrical properties of adhesively bonded structures

Mackay, C. and Hayward, D. and Mulholland, A.J. and McKee, S. and Pethrick, R.A. (2005) Reconstruction of the spatial dependency of dielectric and geometrical properties of adhesively bonded structures. Journal of Physics D: Applied Physics, 38 (12). pp. 1943-1949. ISSN 0022-3727

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    Abstract

    An inverse problem motivated by the nondestructive testing of adhesively bonded structures used in the aircraft industry is studied. Using transmission line theory, a model is developed which, when supplied with electrical and geometrical parameters, accurately predicts the reflection coefficient associated with such structures. Particular attention is paid to modelling the connection between the structures and the equipment used to measure the reflection coefficient. The inverse problem is then studied and an optimization approach employed to recover these electrical and geometrical parameters from experimentally obtained data. In particular the approach focuses on the recovery of spatially varying geometrical parameters as this is paramount to the successful reconstruction of electrical parameters. Reconstructions of structure geometry using this method are found to be in close agreement with experimental observations.

    Item type: Article
    ID code: 2238
    Keywords: aircraft industry, adhesively bonded structures, Physics, Surfaces, Coatings and Films, Acoustics and Ultrasonics, Electronic, Optical and Magnetic Materials, Condensed Matter Physics
    Subjects: Science > Physics
    Department: Faculty of Science > Mathematics and Statistics
    Faculty of Science > Mathematics and Statistics > Mathematics
    Faculty of Science > Pure and Applied Chemistry
    Related URLs:
      Depositing user: Strathprints Administrator
      Date Deposited: 29 Sep 2007
      Last modified: 05 Sep 2014 01:21
      URI: http://strathprints.strath.ac.uk/id/eprint/2238

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