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Guided Waves for Damage Detection in Complex Composite Structures: the Influence of Omega Stringer and Different Reference Damage Size

Moll, Jochen and Kexel, Christoph and Kathol, Jens and Fritzen, Claus-Peter and Moix-Bonet, Maria and Willberg, Christian and Rennoch, Marcel and Koerdt, Michael (2020) Guided Waves for Damage Detection in Complex Composite Structures: the Influence of Omega Stringer and Different Reference Damage Size. Applied Sciences, 10. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/app10093068. ISSN 2076-3417.

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Official URL: https://www.mdpi.com/2076-3417/10/9/3068

Abstract

The third dataset dedicated to the Open Guided Waves platform aims at carbon fiber composite plates with an additional omega stringer at constant temperature conditions. The two structures used in this work are representative for real aircraft components. Comprehensive measurements were recorded in order to study (I) the impact of the omega stringer on guided wave propagation, and (II) elliptical reference damages of different sizes located at three separate positions on the structure. Measurements were recorded for narrowband excitation (5-cycle toneburst with varying carrier frequencies) and broadband excitation (using chirp waveforms). The paper presents the results of a technical validation including numerical modelling, and enables further research, for example related to probability of detection (POD) analysis.

Item URL in elib:https://elib.dlr.de/134771/
Document Type:Article
Title:Guided Waves for Damage Detection in Complex Composite Structures: the Influence of Omega Stringer and Different Reference Damage Size
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Moll, Jochenmoll (at) physik.uni-frankfurt.dehttps://orcid.org/0000-0003-2299-2250
Kexel, ChristophUniversity FrankfurtUNSPECIFIED
Kathol, Jensjens.kathol (at) uni-siegen.deUNSPECIFIED
Fritzen, Claus-PeterUniversity of SiegenUNSPECIFIED
Moix-Bonet, MariaMaria.Moix-Bonet (at) dlr.deUNSPECIFIED
Willberg, ChristianChristian.Willberg (at) dlr.dehttps://orcid.org/0000-0003-2433-9183
Rennoch, Marcelrennoch (at) Faserinstitut.deUNSPECIFIED
Koerdt, Michaelmkoerdt (at) Faserinstitut.deUNSPECIFIED
Date:2020
Journal or Publication Title:Applied Sciences
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:10
DOI :10.3390/app10093068
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
ISSN:2076-3417
Status:Published
Keywords:open guided waves; composite structures; omega stringer; reference damage; open data
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 - Simulation and Validation (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Willberg, Dr.-Ing. Christian
Deposited On:12 May 2020 08:54
Last Modified:12 May 2020 08:54

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