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2025
Sparse guided wave imaging in highly anisotropic plates with phase skewing and amplitude focusing compensation
Pierre Goislot, Guillemette Ribay, Emmanuel Moulin, Lynda Chehami
📘 The Journal of the Acoustical Society of America (JASA) 157(5) : 3390-3401 (2025) Q1
This work proposes sparse guided-wave imaging approaches in highly anisotropic plates including phase skewing correction and amplitude focusing compensation for improved defect localization and imaging performance in complex structures.
Sparse guided wave imaging in highly anisotropic plates with phase skewing and amplitude focusing compensation
Pierre Goislot, Guillemette Ribay, Emmanuel Moulin, Lynda Chehami
📘 The Journal of the Acoustical Society of America (JASA) (2025) Q1
This work proposes sparse guided-wave imaging approaches in highly anisotropic plates including phase skewing correction and amplitude focusing compensation for improved defect localization and imaging performance in complex structures.
A Comparative Study of Divergent Surface Acoustic Wave Beam's Generation on an Y128° Lithium Niobate Using Various Types of Interdigital Transducers
Marc Duquennoy, Dame Fall, Nada Ben Jafela, Nikolay Smagin, Zakariae Oumekloul, Lynda Chehami
📘 Sensors 25(4) : 1067 (2025) Q2
This work presents a comparative study of divergent surface acoustic wave beam generation on Y128° lithium niobate using several types of interdigital transducers. The study investigates wave propagation, beam divergence, and transducer design for high-frequency ultrasonic applications and acoustic sensing.
A Comparative Study of Divergent Surface Acoustic Wave Beam's Generation on an Y128° Lithium Niobate Using Various Types of Interdigital Transducers
Marc Duquennoy, Dame Fall, Nada Ben Jafela, Nikolay Smagin, Zakariae Oumekloul, Lynda Chehami
📘 Sensors (2025) Q2
This work presents a comparative study of divergent surface acoustic wave beam generation on Y128° lithium niobate using several types of interdigital transducers. The study investigates wave propagation, beam divergence, and transducer design for high-frequency ultrasonic applications and acoustic sensing.
2024
Quantification and mitigation of the effect of resynchronization errors in ultrasound sensor network for passive imaging in elastic plates
Omar Bouchakour, Emmanuel Moulin, Lynda Chehami, Nikolay Smagin
📘 The Journal of the Acoustical Society of America (JASA) 155(5) : 3283-3290 (2024) Q1
This study investigates the impact of resynchronization errors in ultrasound sensor networks dedicated to passive imaging in elastic plates. Mitigation strategies are proposed to improve the robustness of Green's function reconstruction and passive imaging performance in complex media.
Quantification and mitigation of the effect of resynchronization errors in ultrasound sensor network for passive imaging in elastic plates
Omar Bouchakour, Emmanuel Moulin, Lynda Chehami, Nikolay Smagin
📘 The Journal of the Acoustical Society of America (JASA) (2024) Q1
This study investigates the impact of resynchronization errors in ultrasound sensor networks dedicated to passive imaging in elastic plates. Mitigation strategies are proposed to improve the robustness of Green's function reconstruction and passive imaging performance in complex media.
2022
Ultrasonic investigation of the effect of compressive strains on 3D periodic bi-material structures
Lynda Chehami, Jingfei Liu, Pascal Pomarède, Paul Lohmuller, Boris Pittrowski, Fodil Meraghni, Nico F. Declercq
📘 Acta Acustica 6 : 26 (2022) Q2
This work investigates the influence of compressive strains on wave propagation in three-dimensional periodic bi-material structures using ultrasonic characterization techniques and periodic media analysis.
Ultrasonic investigation of the effect of compressive strains on 3D periodic bi-material structures
Lynda Chehami, Jingfei Liu, Pascal Pomarède, Paul Lohmuller, Boris Pittrowski, Fodil Meraghni, Nico F. Declercq
📘 Acta Acustica (2022) Q2
This work investigates the influence of compressive strains on wave propagation in three-dimensional periodic bi-material structures using ultrasonic characterization techniques and periodic media analysis.
2021
Monitoring saltwater corrosion of steel using ultrasonic coda wave interferometry with temperature control
Maxime Farin, Emmanuel Moulin, Lynda Chehami, Farouk Benmeddour, Cyril Nicard
📘 Ultrasonics 124 : 106753 (2022) Q1
This work investigates the monitoring of saltwater corrosion in steel structures using ultrasonic coda wave interferometry combined with temperature compensation strategies for improved robustness under realistic environmental conditions.
Monitoring saltwater corrosion of steel using ultrasonic coda wave interferometry with temperature control
Maxime Farin, Emmanuel Moulin, Lynda Chehami, Farouk Benmeddour, Cyril Nicard
📘 Ultrasonics (2022) Q1
This work investigates the monitoring of saltwater corrosion in steel structures using ultrasonic coda wave interferometry combined with temperature compensation strategies for improved robustness under realistic environmental conditions.
Pump-probe localization technique of varying solid contacts
Marina Terzi, Lynda Chehami, Maxime Farin, Emmanuel Moulin, Vladislav Aleshin, Nikolay Smagin
📘 The Journal of the Acoustical Society of America (JASA) 149(5) : 2943-2949 (2021) Q1
This paper presents a pump-probe localization technique for the characterization of varying solid contacts in thin plates using nonlinear acoustic interactions and reverberant wavefields for structural health monitoring applications.
Pump-probe localization technique of varying solid contacts
Marina Terzi, Lynda Chehami, Maxime Farin, Emmanuel Moulin, Vladislav Aleshin, Nikolay Smagin
📘 The Journal of the Acoustical Society of America (JASA) (2021) Q1
This paper presents a pump-probe localization technique for the characterization of varying solid contacts in thin plates using nonlinear acoustic interactions and reverberant wavefields for structural health monitoring applications.
2020
A micro-transducer matrix design for the detection of flexural guided waves
Hala El Rammouz, Farouk Benmeddour, Jamal Assaad, Emmanuel Moulin, Nikolay Smagin, Lucie Dupont, Lynda Chehami, Youssef Zaatar, Ziad Herro
📘 Ultrasonics 114 : 106355 (2021) Q1
This work presents the design of a micro-transducer matrix dedicated to the generation and detection of flexural guided waves for structural health monitoring and ultrasonic imaging applications.
A micro-transducer matrix design for the detection of flexural guided waves
Hala El Rammouz, Farouk Benmeddour, Jamal Assaad, Emmanuel Moulin, Nikolay Smagin, Lucie Dupont, Lynda Chehami, Youssef Zaatar, Ziad Herro
📘 Ultrasonics (2021) Q1
This work presents the design of a micro-transducer matrix dedicated to the generation and detection of flexural guided waves for structural health monitoring and ultrasonic imaging applications.
2019
Accuracy of Green's Function Estimation from Correlation of Diffuse Elastic Waves on Thin Plates
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada
📘 The Journal of the Acoustical Society of America (JASA) 146(5) : 3505 (2019) Q1
This work investigates the accuracy of Green's function reconstruction from the correlation of diffuse elastic waves in thin plates, with emphasis on reverberation, modal density, and passive imaging performance in complex media.
Accuracy of Green's Function Estimation from Correlation of Diffuse Elastic Waves on Thin Plates
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada
📘 The Journal of the Acoustical Society of America (JASA) (2019) Q1
This work investigates the accuracy of Green's function reconstruction from the correlation of diffuse elastic waves in thin plates, with emphasis on reverberation, modal density, and passive imaging performance in complex media.
Application of Ultrasonic Coda Wave Interferometry for Micro-cracks Monitoring in Woven Fabric Composites
Pascal Pomarède, Lynda Chehami, Nico F. Declercq, Fodil Meraghni, Junliang Dong, Alexandre Locquet, D. S. Citrin
📘 Journal of Nondestructive Evaluation 38 : 26 (2019) Q2
This work investigates the use of ultrasonic coda wave interferometry for monitoring micro-cracks in woven carbon fiber reinforced composites. The study demonstrates the sensitivity of diffuse ultrasonic waves to damage evolution in complex composite structures.
Application of Ultrasonic Coda Wave Interferometry for Micro-cracks Monitoring in Woven Fabric Composites
Pascal Pomarède, Lynda Chehami, Nico F. Declercq, Fodil Meraghni, Junliang Dong, Alexandre Locquet, D. S. Citrin
📘 Journal of Nondestructive Evaluation (2019) Q2
This work investigates the use of ultrasonic coda wave interferometry for monitoring micro-cracks in woven carbon fiber reinforced composites. The study demonstrates the sensitivity of diffuse ultrasonic waves to damage evolution in complex composite structures.
2018
Visualization of subsurface damage in woven carbon fiber-reinforced composites using polarization-sensitive terahertz imaging
Junliang Dong, Pascal Pomarède, Lynda Chehami, Alexandre Locquet, Fodil Meraghni, Nico F. Declercq, D. S. Citrin
📘 NDT & E International 99 : 72-79 (2018) Q1
Polarization-sensitive terahertz imaging is applied to characterize subsurface damage in woven carbon fiber-reinforced composite laminates. Terahertz subsurface spectral imaging combined with terahertz deconvolution is used to detect and visualize damage mechanisms in composite structures.
Visualization of subsurface damage in woven carbon fiber-reinforced composites using polarization-sensitive terahertz imaging
Junliang Dong, Pascal Pomarède, Lynda Chehami, Alexandre Locquet, Fodil Meraghni, Nico F. Declercq, D. S. Citrin
📘 NDT & E International (2018) Q1
Polarization-sensitive terahertz imaging is applied to characterize subsurface damage in woven carbon fiber-reinforced composite laminates. Terahertz subsurface spectral imaging combined with terahertz deconvolution is used to detect and visualize damage mechanisms in composite structures.
2017
The transmission spectrum of sound through a phononic crystal subjected to liquid flow
Nico F. Declercq, Lynda Chehami, Rayisa P. Moiseyenko
📘 Applied Physics Letters (APL) 112(2) : 024102 (2018) Q1
This work investigates the transmission spectrum of sound through a phononic crystal subjected to liquid flow and highlights the influence of flow-induced effects on ultrasonic wave propagation in periodic structures. The study demonstrates the sensitivity of phononic crystal transmission properties to flow-induced perturbations.
The transmission spectrum of sound through a phononic crystal subjected to liquid flow
Nico F. Declercq, Lynda Chehami, Rayisa P. Moiseyenko
📘 Applied Physics Letters (APL) (2018) Q1
This work investigates the transmission spectrum of sound through a phononic crystal subjected to liquid flow and highlights the influence of flow-induced effects on ultrasonic wave propagation in periodic structures. The study demonstrates the sensitivity of phononic crystal transmission properties to flow-induced perturbations.
2016
Ultrasonic guided waves for reinforced plastics safety
Slah Yaacoubi, Lynda Chehami, Marwen Aouini, Nico F. Declercq
📘 Reinforced Plastics 61(2) : 87-91 (2017) Q2
This paper reviews the use of ultrasonic guided waves for preventive maintenance, damage detection, and safety assessment in reinforced composite structures for transport and industrial applications.
Ultrasonic guided waves for reinforced plastics safety
Slah Yaacoubi, Lynda Chehami, Marwen Aouini, Nico F. Declercq
📘 Reinforced Plastics (2017) Q2
This paper reviews the use of ultrasonic guided waves for preventive maintenance, damage detection, and safety assessment in reinforced composite structures for transport and industrial applications.
Nonlinear secondary noise sources for passive defect detection using ultrasound sensors
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada, Eric Chatelet, Giovanna Lacerra, Konstantinos Gryllias, Francesco Massi
📘 Journal of Sound and Vibration (JSV) 386 : 283-294 (2017) Q1
This paper introduces the concept of nonlinear secondary noise sources for passive defect detection and localization in structures using ultrasonic sensors and ambient vibration conversion mechanisms. The study highlights the potential of nonlinear wave interactions for passive structural health monitoring in complex media.
Nonlinear secondary noise sources for passive defect detection using ultrasound sensors
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada, Eric Chatelet, Giovanna Lacerra, Konstantinos Gryllias, Francesco Massi
📘 Journal of Sound and Vibration (JSV) (2017) Q1
This paper introduces the concept of nonlinear secondary noise sources for passive defect detection and localization in structures using ultrasonic sensors and ambient vibration conversion mechanisms. The study highlights the potential of nonlinear wave interactions for passive structural health monitoring in complex media.
Reverberation of flexural waves scattered by a local heterogeneity in a plate
Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, Lucie Dupont, Lynda Chehami
📘 The Journal of the Acoustical Society of America (JASA) 140(1) : 157-164 (2016) Q1
A statistical model is proposed to relate the scattering properties of a local heterogeneity in a plate to the statistical properties of scattered and reverberated flexural waves in reverberant media. The work highlights the role of reverberation and diffuse wavefields in complex elastic structures.
Reverberation of flexural waves scattered by a local heterogeneity in a plate
Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, Lucie Dupont, Lynda Chehami
📘 The Journal of the Acoustical Society of America (JASA) (2016) Q1
A statistical model is proposed to relate the scattering properties of a local heterogeneity in a plate to the statistical properties of scattered and reverberated flexural waves in reverberant media. The work highlights the role of reverberation and diffuse wavefields in complex elastic structures.
2015
Experimental study of passive defect localization in plates using ambient noise
Lynda Chehami, Julien de Rosny, Claire Prada, Emmanuel Moulin, Jamal Assaad
📘 IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 62(8) : 1544-1553 (2015) Q1
This paper presents an experimental study on passive defect localization in thin plates using ambient noise correlation and diffuse ultrasonic fields. The work demonstrates the feasibility of passive structural health monitoring approaches based on Green’s function reconstruction in reverberant media.
Experimental study of passive defect localization in plates using ambient noise
Lynda Chehami, Julien de Rosny, Claire Prada, Emmanuel Moulin, Jamal Assaad
📘 IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control (2015) Q1
This paper presents an experimental study on passive defect localization in thin plates using ambient noise correlation and diffuse ultrasonic fields. The work demonstrates the feasibility of passive structural health monitoring approaches based on Green’s function reconstruction in reverberant media.
2014
Source localisation in a reverberant plate using average coda properties and early signal strength
Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, Lynda Chehami
📘 Acta Acustica united with Acustica 100(5) : 834-841 (2014) Q2
This work proposes source localization approaches in reverberant plates based on average coda properties and early signal strength analysis.
Source localisation in a reverberant plate using average coda properties and early signal strength
Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, Lynda Chehami
📘 Acta Acustica united with Acustica (2014) Q2
This work proposes source localization approaches in reverberant plates based on average coda properties and early signal strength analysis.
Detection and localization of a defect in a reverberant plate using acoustic field correlation
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada, O. B. Matar, Farouk Benmeddour, Jamal Assaad
📘 Journal of Applied Physics 115(10) : 104901 (2014) Q1
This work investigates passive defect detection and localization in reverberant elastic plates using acoustic field correlation techniques. The study demonstrates the potential of diffuse ultrasonic wavefields and correlation-based approaches for structural health monitoring in complex media.
Detection and localization of a defect in a reverberant plate using acoustic field correlation
Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada, O. B. Matar, Farouk Benmeddour, Jamal Assaad
📘 Journal of Applied Physics (2014) Q1
This work investigates passive defect detection and localization in reverberant elastic plates using acoustic field correlation techniques. The study demonstrates the potential of diffuse ultrasonic wavefields and correlation-based approaches for structural health monitoring in complex media.