Effects of the interface roughness in metal-adhesive-metal structure on the propagation of shear horizontal waves
| Autor: | Catherine Potel, Damien Leduc, Ludovic Foze, Mounsif Ech Cherif El Kettani, Michel Bruneau, Mihai Valentin Predoi |
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| Přispěvatelé: | Laboratoire Ondes et Milieux Complexes (LOMC), Centre National de la Recherche Scientifique (CNRS)-Université Le Havre Normandie (ULH), Normandie Université (NU)-Normandie Université (NU), Laboratoire d'Acoustique de l'Université du Mans (LAUM), Le Mans Université (UM)-Centre National de la Recherche Scientifique (CNRS), University Politehnica of Bucharest [Romania] (UPB), Centre National de la Recherche Scientifique (CNRS)-Le Mans Université (UM) |
| Rok vydání: | 2017 |
| Předmět: |
Signal processing
Materials science Acoustics and Ultrasonics Polymers Wave propagation Phonon Acoustics Surface finish Grating 01 natural sciences [SPI]Engineering Sciences [physics] Arts and Humanities (miscellaneous) 0103 physical sciences Optical phase matching Finite-element analysis Transmission coefficient 010301 acoustics ComputingMilieux_MISCELLANEOUS [PHYS]Physics [physics] 010302 applied physics Vibrometer Computer simulation Finite element method Transducer Phonons Numerical methods Solid solid interfaces Laser Doppler vibrometer |
| Zdroj: | Journal of the Acoustical Society of America Journal of the Acoustical Society of America, Acoustical Society of America, 2017, 141 (6), pp.4591-4599. ⟨10.1121/1.4985441⟩ |
| ISSN: | 0001-4966 1520-8524 |
| DOI: | 10.1121/1.4985441 |
| Popis: | International audience; The influence of the interface roughness in a three-layer metal-adhesive-metal structure on the propagation of shear horizontal waves and more particularly on the transmission coefficient versus the frequency is studied in the particular case of a periodic grating of triangular grooves. For given phonon frequencies, the interaction of an incident shear horizontal mode with the periodical grating gives rise to a retro-converted mode. A numerical finite element simulation permits us to predict the existence of the phonon mode in the three-layer structure and to obtain the evolution of the transmission coefficient around the phonon frequency. An experimental study, based on a generation of waves by a piezocomposite contact transducer and a reception by a laser vibrometer, then confirms these predictions. Finally, a parametric numerical study is performed: the influence of the depth of the roughness and of the number of spatial periods of the grooves on the transmission coefficient is studied. |
| Databáze: | OpenAIRE |
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