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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Ostachowicz, Wiesław
Polish Academy of Sciences
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2023Deep learning for automatic assessment of breathing-debonds in stiffened composite panels using non-linear guided wave signalscitations
- 2022Shear Strain Singularity-Inspired Identification of Initial Delamination in CFRP Laminates: Multiscale Modulation Filter for Extraction of Damage Features
- 2022Electromechanical impedance based debond localisation in a composite sandwich structurecitations
- 2021Extended Non-destructive Testing for the Bondline Quality Assessment of Aircraft Composite Structurescitations
- 2021Adhesive Bonding of Aircraft Composite Structures
- 2020Nonlinear elastic wave propagation and breathing-debond identification in a smart composite structurecitations
- 2019Nondestructive analysis of core-junction and joint-debond effects in advanced composite structurecitations
- 2019Ultrasonic Lamb wave-based debonding monitoring of advanced honeycomb sandwich composite structurescitations
- 2019Effects of debonding on Lamb wave propagation in a bonded composite structure under variable temperature conditionscitations
- 2019Ultrasonic guided wave propagation in a repaired stiffened composite panelcitations
- 2019Damage-induced acoustic emission source monitoring in a honeycomb sandwich composite structurecitations
- 2018Damage-induced acoustic emission source identification in an advanced sandwich composite structurecitations
- 2018Online detection of barely visible low-speed impact damage in 3D-core sandwich composite structurecitations
- 2015Embedded Damage Localization Subsystem Based on Elastic Wave Propagationcitations
- 2014Calibration Problem of AD5933 Device for Electromechanical Impedance Measurements
- 2014Damage Detection in Composites by Noncontact Laser Ultrasonic
- 2013Embedded Signal Processing Subsystem for SHM
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article
Nondestructive analysis of core-junction and joint-debond effects in advanced composite structure
Abstract
<p>This paper presents a theoretical, numerical and experimental analysis of Lamb wave propagation and joint-debond identification in an advanced composite structure with core-junction. In the process, the wave modes in the recorded sensor-signals are effectively identified based on the theoretically obtained time-history response and dispersion curves for the sample structure. In order to study the core-junction and joint-debond effects, the finite element based numerical simulations were carried out in ABAQUS and the results verified with laboratory experiments. It was observed that the presence of core-junction in the structure reduces the propagating Lamb wave mode amplitudes, whereas the presence of localized joint-debond significantly increases the modal amplitudes. The study was further extended for the analysis of variable core-junction thickness and joint-debond size effects on the amplitude difference between the baseline and affected Lamb wave signals. Finally, a baseline-free debond detection strategy is proposed for the detection of hidden joint-debond locations in the target structure.</p>