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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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Sikdar, Shirsendu
University of Huddersfield
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023Autonomous Monitoring of Breathing Debonds in Bonded Composite Structures Using Nonlinear Ultrasonic Signals
- 2023Deep learning for automatic assessment of breathing-debonds in stiffened composite panels using non-linear guided wave signalscitations
- 2022Acoustic emission data based deep learning approach for classification and detection of damage-sources in a composite panelcitations
- 2022Multi step structural health monitoring approaches in debonding assessment in a sandwich honeycomb composite structure using ultrasonic guided wavescitations
- 2022Low-velocity impact source localization in a composite sandwich structure using a broadband piezoelectric sensor networkcitations
- 2022Electromechanical impedance based debond localisation in a composite sandwich structurecitations
- 2022Ultrasonic guided wave-based debond identification in a GFRP plate with L-stiffenercitations
- 2021Bag of visual words based machine learning framework for disbond characterisation in composite sandwich structures using guided wavescitations
- 2021Guided Wave Propagation and Breathing-Debond Localization in a Composite Structurecitations
- 2021Ultrasonic Guided Wave Signal Based Nondestructive Testing of a Bonded Composite Structure Using Piezoelectric Transducerscitations
- 2020Nonlinear elastic wave propagation and breathing-debond identification in a smart composite structurecitations
- 2019Guided wave based nondestructive analysis of localized inhomogeneity effects in an advanced sandwich composite structurecitations
- 2019Nondestructive analysis of core-junction and joint-debond effects in advanced composite structurecitations
- 2019Nondestructive analysis of debonds in a composite structure under variable temperature conditionscitations
- 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
- 2019A generic framework for application of machine learning in acoustic emission-based damage identificationcitations
- 2019Damage-induced acoustic emission source monitoring in a honeycomb sandwich composite structurecitations
- 2019Multi-level nondestructive analysis of joint-debond effects in 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
- 2018Study of disbond effects in a jointed composite structure under variable ambient temperaturescitations
- 2016Identification of disbond and high density core region in a honeycomb composite sandwich structure using ultrasonic guided wavescitations
- 2016Guided wave propagation in a honeycomb composite sandwich structure in presence of a high density corecitations
- 2016Ultrasonic guided wave propagation and disbond identification in a honeycomb composite sandwich structure using bonded piezoelectric wafer transducerscitations
- 2016Study of guided wave propagation in a honeycomb composite sandwich plate in presence of a high-density core region using surface-bonded piezoelectric transducers
- 2014Wave Propagation in a Honeycomb Composite Sandwich Structure in the Presence of High-Density Core Using Bonded PZT-Sensorscitations
- 2013Detection of disbond in a honeycomb composite sandwich structure using ultrasonic guided waves and bonded PZT sensors
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document
Ultrasonic guided wave propagation in a repaired stiffened composite panel
Abstract
<p>Stiffened carbon-fibre-reinforced composite structures are extensively used in the aerospace industry for constructing aircraft wings, fuselage, and several other structural components. These structures are often prone to damage due to ageing, cyclic loading and impact. The wave propagation based structural health monitoring technique is widely used for identifying such damage in these structures. This paper presents the analysis of guided wave propagation in a repaired stiffened composite aircraft-wing panel, in order to understand the wave propagation phenomenon in such complex multi-layered structure. Towards this, a coordinated theoretical, numerical and experimental investigation has been carried out. The dispersion curves for the structure are theoretically obtained by using a fast and efficient semi-analytical model to study the dispersion characteristics of the propagating guided waves at the high-frequency range. An extensive finite element based numerical simulation of guided wave propagation in the sample structure is carried out in ABAQUS. Based on the theoretically obtained dispersion curves, different wave modes in the signals are effectively identified. It is observed that the presence of a localized patch repair region in the structure significantly influences the wave mode amplitudes and propagation velocities. Laboratory experiments are then conducted, in order to verify the numerical simulation results. A good agreement is noticed between the simulation and experimental results, in all the cases studied. A series of parametric study is also numerically carried out, in order to check the influence of repaired region size on the propagating guided wave modes in the structure.</p>