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Damage Identification in Composite Panels – Methodologies and Visualisation

Loendersloot, Richard and Büthe, Inka and Moix-Bonet, Maria and Michaelidos, P. and Lampeas, G. (2015) Damage Identification in Composite Panels – Methodologies and Visualisation. In: Smart Intelligent Aircraft Structures (SARISTU). Springer. SARISTU Final Conference, 19.-21. Mai 2015, Moscow, Russia. ISBN 978-3-319-22413-8.

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A methodology for the identification of an impact damage using guided waves on a composite structure is implemented. Both, numerical and experimental results are used and a graphical user interface is developed to visualise the potentially damaged area. The latter allows, on top of detection, an assessment of the location and severity of the damage. The input can be experimentally based or calculated with the help of numerical models. Within this work, two numerical models are presented, based on Stacked-Shell Finite Element approach and on Spectral Element approach in time domain. The graphical interface allows the user to choose the most suitable approach from various damage identification methods using pitch-catch acousto-ultrasonics. The numerical models allow to test a variety of damage locations with variable extents. The quality of the models is shown by a comparison of simulated and experimental data in time domain and respective damage indices. Finally, the visualisation allows to focus on specific areas, enhancing the analysis of multiple damages in a structure. The damage identification tool is a powerful tool in understanding the effects of various damage scenarios on the time response data and together with the numerical model provides a valuable input for model assisted probability of detection (MAPOD).

Item URL in elib:https://elib.dlr.de/97473/
Document Type:Conference or Workshop Item (Speech)
Title:Damage Identification in Composite Panels – Methodologies and Visualisation
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Loendersloot, RichardUniversity of TwenteUNSPECIFIED
Büthe, InkaUniversity of SiegenUNSPECIFIED
Moix-Bonet, Mariamaria.moix-bonet (at) dlr.deUNSPECIFIED
Lampeas, G.University of PatrasUNSPECIFIED
Date:May 2015
Journal or Publication Title:Smart Intelligent Aircraft Structures (SARISTU)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
EditorsEmailEditor's ORCID iD
Papadopoulos, MichaelEASNUNSPECIFIED
Keywords:SHM, Acousto-Ultrasonics, Signal Processing, Damage Detection, GUI
Event Title:SARISTU Final Conference
Event Location:Moscow, Russia
Event Type:international Conference
Event Dates:19.-21. Mai 2015
Organizer:SARISTU Project
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:14 Mar 2016 08:08
Last Modified:20 Jun 2021 15:46

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