E Moulin, H Achdjian, J Assaad, NA Leyla, K Hourany, Y Zaatar Extraction of statistical properties of the point source response of a reverberant plate and application to parameter estimation (L) The Journal of the Acoustical Society of America 132 (4), 2165-2168 2012

Experimental study of passive defect localization in plates using ambient noise Abstract: Passive listening methodology has been shown to be a practical and effective method for passive structural health monitoring. In this work, this approach is applied experimentally to monitor the occurrence of defects in thin aluminum plates.

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Moulin et al. [66, 67] used a coupled 2D nite element-normal modes expansion approach in 1999 and 2000, respectively, to account for a piezoelectric element and its inuence to Lamb mode excitation ...

Fawzia Assaad, Alexis Koutchoumow, Roger Prevel, Hoang Nguyen and Juliette Monin Hornung at our Stand in the Geneva Salon 2002 Roger Prevel, Alexis Koutchoumow, Fawzia Assaad, Jean Pierre Moulin, Professor Haggenmacher, Juliette Monin-Hornung and Alfred de Zayas at …

Farouk Benmeddour, Emmanuel Moulin, Jamal Assaad, Lucie Dupont (2013) Numerical investigation of the functionally graded materials by the interaction of …

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Farouk Benmeddour, Emmanuel Moulin, Jamal Assaad and Sonia Djili (February 27th 2013). Generation of a Selected Lamb Mode by Piezoceramic Transducers: Application to Nondestructive Testing of Aeronautical Structures, Piezoelectric Materials and Devices Farzad Ebrahimi, IntechOpen, DOI: 10.5772/54582 ...

Abstract In order to help optimize health monitoring systems based on Lamb wave propagation, a hybrid finite element-normal mode expansion modeling technique has been developed.

Experimental study of the A0 and S0 Lamb waves interaction with symmetrical notches. ... Experimental study of the A0 and S0 Lamb waves interaction with symmetrical notches. Authors. Sébastien Grondel + 2. ... Sébastien Grondel, Jamal Assaad, Emmanuel Moulin IEMN, UMR/CNRS 8520, OAE Department, Université de Valenciennes et du Hainaut ...

LAMB WAVES GENERATION USING A TRANSDUCER EMBEDDED IN A COMPOSITE PLATE Emmanuel Moulin 1, Jamal Assaad , Christophe Delebarre and Daniel Osmont 2 1 IEMN, UMR CNRS 9929, OAE Department, Université de Valenciennes et du Hainaut Cambrésis, le Mont Houy, BP 311, 59304 - Valenciennes Cedex, France.

ACOUSTICS2008/2338 Structural Health Monitoring using cross-correlation of an ambient noise eld Najib Abou Leyla a, Emmanuel Moulin b, Jamal Assaad b, Sebastien Grondel b and Pascal Poussot a a UVHC, IEMN-DOAE, Le Mont Houy, 59313 Valenciennes, France b UVHC, IEMN-DOAE, Le Mont-Houy, 59313 Valenciennes, France Theoretical and experimental studies in underwater acoustic, …

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Dual signal processing approach for Lamb wave analysis J. Assaad, S. Grondel, F. El Youbi, E. Moulin and C. Delebarre. Abstract The identification of Lamb modes is still the most difficult step in the process of damage detection.

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Experimental Study of Passive Defect Detection and Localization in Thin Plates from Noise Correlation ... Prada, C., E, Moulin., J, Assaad., 2015. Experimental study of passive defect localization in plates using ambient noise. IEEE-T Special Issue (submitted).

Sonia Djili, Emmanuel Moulin, Jamal Assaad, Malika Toubal, Farouk Benmeddour. Pages 87-93 Download PDF. Article preview. select article Interaction of SH guided waves with wall thinning. Research article Full text access Interaction of SH guided waves with wall thinning.

Jamal Assaad, Hossep Achdjian, Emmanuel Moulin, Farouk Benmeddour, Sonia Djili, Mickaël Bocquet, Lynda Chehami (2013) Towards a low-consumption structural health monitoring sensor network concept exploiting physics-based signal processing of reverberant ambient acoustic fields for transportation structure monitoring.

Moulin, J. Assaad, C. Delebarre, and D. Osmont, “ Modeling of lamb waves generated by integrated transducers in composite plates using a coupled finite element-normal modes expansion method,” J. …

Read "Modeling of integrated Lamb waves generation systems using a coupled finite element–normal modes expansion method, Ultrasonics" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Abstract Since a few years, Lamb waves have been seriously considered as a potential technique for integrated damage assessment systems. Since they are easily propagated over long distances in plate-shaped structures and are able to interact with inner material defects, Lamb waves are seen indeed as a most promising technique.

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Read "Experimental study of the A 0 and S 0 Lamb waves interaction with symmetrical notches, Ultrasonics" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

The work presented in this paper is concerned with the fundamental study of a damage detection principle in a reverberant medium, based on ambient acoustic noise correlation. The aim here is to theoretically investigate the sensitivity of the correlation of received signals to a local defect. The acoustic reverberation in the medium is modeled by a random process and an empirical description ...

The aim of this paper is to show that Lamb waves may be effectively generated using piezoelectric transducers embedded inside a composite plate, for nondestructive evaluation and health monitoring applications. A cylindrical transducer embedded in a composite host plate is considered. The electrical impedance of the transducer alone in vacuum and then of the embedded transducer, which allows ...

Lynda Chehami, Emmanuel Moulin, Julien de Rosny, Claire Prada, Olivier Bou Matar, Farouk Benmeddour and Jamal Assaad, Detection and localization of a defect in a reverberant plate using acoustic field correlation, Journal of Applied Physics, 115, 10, (104901), (2014).

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Moulins (French: ; Occitan: Molins) is a commune in central France, capital of the Allier department. It is located on the Allier River. It is located on the Allier River. Among its many tourist attractions are the Maison Mantin , the Anne de Beaujeu Museum and The National Center of Costume and Scenography .

The capability of embedded piezoelectric wafer active sensors (PWAS) to excite and detect tuned Lamb waves for structural health monitoring is explored. First, a brief review of Lamb waves theory is presented. Second, the PWAS operating principles and their structural coupling through a thin adhesive layer are analyzed. Then, a model of the Lamb waves tuning mechanism with PWAS transducers is ...

Chehami L, de Rosny J, Prada C, Moulin E, Assaad J. Passive listening methodology has been shown to be a practical and effective method for passive structural health monitoring. In this work, this approach is applied experimentally to monitor the occurrence of defects in thin aluminum plates. A ...

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Duquenne, E. Moulin, J. Assaad, and C. Delebarre, “Transient modeling of Lamb Lamb waves generation by surface bonded piezoelectric transducers,” in Proceedings of the Asset Workshop, Presqu’ı̂le de Giens, France (2002).