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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 106
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Paper 122

A Gaussian Process Approach to Locate Cracks in Plate-Like Structures

C. Surace1, J. Hensman2, M. Mattone3, M. Gherlone3 and N. Corrado1

1Department of Structural, Geotechnical and Building Engineering, Politecnico di Torino, Italy
2Department of Computer Science, The University of Sheffield, United Kingdom
3Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Italy

Full Bibliographic Reference for this paper
C. Surace, J. Hensman, M. Mattone, M. Gherlone, N. Corrado, "A Gaussian Process Approach to Locate Cracks in Plate-Like Structures", in , (Editors), "Proceedings of the Twelfth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 122, 2014. doi:10.4203/ccp.106.122
Keywords: cracks, mode shapes, post damage measurements, plates, Gaussian, process regression..

The problem of non-destructively detecting and localising cracks in plate-like structures is addressed in this paper. A new methodology, based on Gaussian process regression, has been utilised for the detection and localisation of damage in an isotropic plate. The approach has already been proposed by the authors for detecting discontinuities in the smoothness of the mode shapes functions caused by cracks in the case of beam-like structures, and is now extended to the case of two-dimensional structures. The effectiveness of this methodology has been analysed with respect to simulated data using a finite element model of a plate with a crack and increasing amounts of noise. The results are encouraging and consequently it will be worthwhile to further investigate the methodology.

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