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Fatigue crack diagnostics: A comparison of the use of the complex bicoherence and its magnitude

Fatigue crack diagnostics: A comparison of the use of the complex bicoherence and its magnitude
Fatigue crack diagnostics: A comparison of the use of the complex bicoherence and its magnitude
This paper considers the performance of a novel extension of previous methods for use in the diagnosis of cracks in structures. It concentrates on the comparison of two ways of exploiting the bicoherence as tool to detect cracks: the first method just using the magnitude of the bicoherence and the second using its real and imaginary components. This comparison is conducted using measured data from cracked and un-cracked compressor blades from an aircraft engine.
0888-3270
913-18
Gelman, L.
a9a84c67-38f8-4766-b5cf-63f2624a9b48
White, P.R.
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Hammond, J.K.
9ee35228-a62c-4113-8394-1b24df97b401
Gelman, L.
a9a84c67-38f8-4766-b5cf-63f2624a9b48
White, P.R.
2dd2477b-5aa9-42e2-9d19-0806d994eaba
Hammond, J.K.
9ee35228-a62c-4113-8394-1b24df97b401

Gelman, L., White, P.R. and Hammond, J.K. (2005) Fatigue crack diagnostics: A comparison of the use of the complex bicoherence and its magnitude. Mechanical Systems and Signal Processing, 19 (4), 913-18. (doi:10.1016/j.ymssp.2004.07.009).

Record type: Article

Abstract

This paper considers the performance of a novel extension of previous methods for use in the diagnosis of cracks in structures. It concentrates on the comparison of two ways of exploiting the bicoherence as tool to detect cracks: the first method just using the magnitude of the bicoherence and the second using its real and imaginary components. This comparison is conducted using measured data from cracked and un-cracked compressor blades from an aircraft engine.

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Published date: 2005
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Local EPrints ID: 28364
URI: http://eprints.soton.ac.uk/id/eprint/28364
DOI: doi:10.1016/j.ymssp.2004.07.009
ISSN: 0888-3270
PURE UUID: d54dc64d-2d6a-485e-b9c9-1579a9b2f77a
ORCID for P.R. White: ORCID iD orcid.org/0000-0002-4787-8713

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Date deposited: 02 May 2006
Last modified: 11 Jul 2024 01:33

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Contributors

Author: L. Gelman
Author: P.R. White ORCID iD
Author: J.K. Hammond

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