An inverse problem of reconstructing the electrical and geometrical parameters characterising airframe structures and connector interfaces

C. Mackay, D. Hayward, A.J. Mulholland, S. McKee, R.A. Pethrick

Research output: Contribution to journalArticle

3 Citations (Scopus)
130 Downloads (Pure)

Abstract

This article is concerned with the detection of environmental ageing in adhesively bonded structures used in the aircraft industry. Using a transmission line approach a forward model for the reflection coefficients is constructed and is shown to have an analytic solution in the case of constant permeability and permittivity. The inverse problem is analysed to determine necessary conditions for a unique recovery. The main thrust of this article then involves modelling the connector and then experimental rigs are built for the case of the air-filled line to enable the connector parameters to be identified and the inverse solver to be tested. Some results are also displayed for the dielectric-filled line.
Original languageEnglish
Pages (from-to)177-190
Number of pages13
JournalInverse Problems in Science and Engineering
Volume15
Issue number3
Publication statusPublished - 2007

Keywords

  • Airframe
  • Electrical
  • Geometrical
  • Reconstruction
  • Connector

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