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Reference Damages for Verification of Probability of Detection with Guided Waves

Bach, Martin and Aurore, Pouilly and Eckstein, Benjamin and Moix-Bonet, Maria (2017) Reference Damages for Verification of Probability of Detection with Guided Waves. International Workshop for Structural Health Monitoring, 12-14 September 2017, Stanford University, California, USA.

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For conventional ultrasonic testing reference damages are well-established and simple to use like flat-bottom holes. For verification of POD using guided waves, these reference damages are barely useful, as there are not representing the characteristic changes in the guided wave signal, compared to impact damage. Also most damage detection approaches of guided waves depend on baseline signals, precluding some established reference damages like embedded Teflon layers. For that reason, a new class of reference damages needs to be defined, which are tailored for the application scenario including as well the applied analysis method. These reference damages may be attachable to the structure after baseline measurement and in best case removable. They shall generate a comparable change in the features of the signal like real impact damage and, due to the complex design of experiment, be available in parallel in numerical simulation and in experiment.

Item URL in elib:https://elib.dlr.de/117057/
Document Type:Conference or Workshop Item (Speech)
Title:Reference Damages for Verification of Probability of Detection with Guided Waves
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bach, MartinAirbus Group InnovationsUNSPECIFIED
Aurore, PouillyAirbus Operations GmbHUNSPECIFIED
Eckstein, BenjaminAirbus Group InnovationsUNSPECIFIED
Moix-Bonet, MariaMaria.Moix-Bonet (at) dlr.deUNSPECIFIED
Date:September 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Acousto Ultrasonics, Damage Reference, Probability of Detection
Event Title:International Workshop for Structural Health Monitoring
Event Location:Stanford University, California, USA
Event Type:international Conference
Event Dates:12-14 September 2017
Organizer:Stanford University
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures and Materials (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Moix-Bonet, Maria
Deposited On:11 Dec 2017 19:47
Last Modified:11 Dec 2017 19:47

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