Didier Dragna
- Assistant-Professor (HDR), Ecole Centrale de Lyon
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Tel. + 33 4 72 18 60 08 | Fax. + 33 4 72 18 91 43 |
Email: didier.dragna AT ec-lyon.fr
Research topics
- Sound propagation in the atmosphere
- Nonlinear propagation
- Duct acoustics
- Numerical methods
Cursus
- Engineer of Ecole Centrale de Lyon (2008)
- Ph.D. Thesis (ECL, 2011)
- HDR (UCBL, 2024)
Professional services
- Associate Editor of the Journal of the Acoustical Society of America (JASA, 2024-)
Award
- Yves Rocard prize of the French Acoustical Society (2015)
Publications
- Colas, J., Emmanuelli, A., Dragna, D., Blanc-Benon, P., Cotté, B. & Stevens, R.J.A.M., 2024,
Impact of a two-dimensional steep hill on wind turbine noise propagation,
Wind Energy Science, 9, 1869-1884. doi:10.5194/wes-9-1869-2024.
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- Ostashev, V.E., Colas, J., Dragna, D. & Wilson, D.K., 2024,
Phase-preserving narrow- and wide-angle parabolic equations for sound propagation in moving media,
J. Acoust. Soc. Am., 155(2), 1086-1102. doi:10.1121/10.0024460.
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- Colas, J., Emmanuelli, A., Dragna, D., Blanc-Benon, P., Cotté, B. & Stevens, R.J.A.M., 2023,
Wind turbine sound propagation: Comparison of a linearized Euler equations model with parabolic equation methods,
J. Acoust. Soc. Am., 154(3), 1413-1426. doi:10.1121/10.0020834.
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- Emmanuelli, A., Dragna, D., Ollivier, S. & Blanc-Benon, P., 2023,
Sonic boom propagation over real topography,
J. Acoust. Soc. Am., 154(1), 16-27. doi:10.1121/10.0019938.
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- Dragna, D., Emmanuelli, A., Ollivier, S. & Blanc-Benon, P., 2022,
Sonic boom reflection over urban areas,
J. Acoust. Soc. Am., 152(6), 3323-3339. doi:10.1121/10.0016442.
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- Dragna, D., Emmanuelli, A., Ollivier, S. & Blanc-Benon, P., 2022,
Sonic boom reflection over an isolated building and multiple buildings,
J. Acoust. Soc. Am., 151(6), 3792-3806. doi:10.1121/10.0010452
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Featured by AIP publishing.
Article in Science News.
- Guibard, A., Sèbe, F., Dragna, D. & Ollivier, S., 2022,
Influence of meteorological conditions and topography on the active space of mountain birds assessed by a wave-based sound propagation model,
J. Acoust. Soc. Am., 151(6), 3703-3718. doi:10.1121/10.0011545
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Featured by Scilight. download pdf
- Diab, D., Dragna, D., Salze, E. & Galland, M.A., 2022,
Nonlinear broadband time-domain admittance boundary condition for duct acoustics. Application to perforated plate liners,
J. Sound Vib., 528, 116892, 1-26. doi:10.1016/j.jsv.2022.116892.
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- Lechat, T., Emmanuelli, A., Dragna, D. & Ollivier, S., 2021,
Propagation of spherical weak blast waves over rough periodic surfaces,
Shock Waves, 31, 379-398. doi:10.1007/s00193-021-01024-8.
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- Julian, R., Dragna, D., Ollivier, S. & Blanc-Benon, P., 2021
Rational approximation of unsteady friction weighting functions in the Laplace domain,
J. Hydraul. Eng., 147(9), 04021031, 1-9. doi:10.1061/(ASCE)HY.1943-7900.0001905.
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- Alomar, A., Dragna, D. & Galland, M.A., 2021,
Time-domain simulations of sound propagation in a flow duct with extended-reacting liners,
J. Sound Vib., 507, 116137, 1-24. doi:10.1016/j.jsv.2021.116137
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- Emmanuelli, A., Dragna, D., Ollivier, S. & Blanc-Benon, P., 2021,
Characterization of topographic effects on sonic boom reflection by resolution of the Euler equations,
J. Acoust. Soc. Am., 149(4), 2437-2450. doi:10.1121/10.0003816
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- Deng, Y., Alomar, A., Dragna, D. & Galland, M.A., 2021,
Characterization and suppression of the hydrodynamic instability in the time domain for acoustic propagation in a lined flow duct,
J. Sound Vib., 500, 115999, 1-22. doi:10.1016/j.jsv.2021.115999
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- Alomar, A., Dragna, D. & Galland, M.A., 2021,
Pole identification method to extract the equivalent fluid characteristics of general sound-absorbing materials,
Applied Acoustics, 174, 107752, 1-15. doi:10.1016/j.apacoust.2020.107752.
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- Wang, Y., Li, K.M., Dragna, D. & Blanc-Benon, P., 2020,
On the sound field from a source moving above non-locally reacting grounds,
J. Sound Vib., 464, 114975, 1-20. doi:10.1016/j.jsv.2019.114975.
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- Karzova, M.M., Lechat, T., Ollivier, S., Dragna, D., Yuldashev, P.V., Khokhlova, V.A. & Blanc-Benon, P., 2019,
Effect of surface roughness on nonlinear reflection of weak shock waves,
J. Acoust. Soc. Am., 146(5), EL438-433. doi:10.1121/1.5133737.
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- Karzova, M.M., Lechat, T., Ollivier, S., Dragna, D., Yuldashev, P.V., Khokhlova, V.A. & Blanc-Benon, P., 2019,
Irregular reflection of spark-generated shock pulses from a rigid surface: Mach-Zehnder interferometry measurements in air,
J. Acoust. Soc. Am., 145(1), 26-35. doi:10.1121/1.5084266.
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- Dragna, D. & Blanc-Benon, P., 2017,
Sound propagation over the ground with a random spatially-varying surface admittance,
J. Acoust. Soc. Am., 142(4), 2058-2072. doi:10.1121/1.5006180.
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- Troian, R., Dragna, D., Bailly, C. & Galland, M.-A., 2017,
Broadband liner impedance eduction for multimodal acoustic propagation in the presence of a mean flow,
J. Sound Vib., 392, 200-216. doi:10.1016/j.jsv.2016.10.014.
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- Dragna, D., Attenborough, K. & Blanc-Benon, P., 2015,
On the inadvisability of using single parameter impedance models for representing the acoustical properties of ground surfaces,
J. Acoust. Soc. Am., 138(4), 2399-2413. doi:10.1121/1.4931447.
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- Dragna, D., Pineau, P. & Blanc-Benon, P., 2015,
A generalized recursive convolution method for time-domain propagation in porous media,
J. Acoust. Soc. Am., 138(2), 1030-1042. doi:10.1121/1.4927553.
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- Hornikx, M. & Dragna, D., 2015,
Application of the Fourier pseudospectral time-domain method in orthogonal curvilinear coordinates for near-rigid moderately curved surface,
J. Acoust. Soc. Am., 138(1), 425-435. doi:10.1121/1.4922954.
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- Dragna, D. & Blanc-Benon, P., 2015,
Sound radiation by a moving line source above an impedance plane with frequency-dependent properties,
J. Sound Vib., 349, 259-275. doi:10.1016/j.jsv.2015.03.033.
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- Dragna, D., Blanc-Benon, P. & Poisson, F., 2014,
Modeling of broadband moving sources for time-domain simulations of outdoor sound propagation,
AIAA J., 52(9), 1928-1939. doi:10.2514/1.J052672.
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- Dragna, D. & Blanc-Benon, P., 2014,
Towards realistic simulations of sound radiation by moving sources in outdoor environments,
Int. J. Aeroacoustics, 13(5-6), 405-426. doi:10.1260/1475-472X.13.5-6.405.
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- Dragna, D. & Blanc-Benon, P., 2014,
Physically admissible impedance models for time-domain computations of outdoor sound propagation,
Acta Acust. united Ac., 100(3), 401-410. doi:10.3813/AAA.918719.
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errata
- Dragna, D., Blanc-Benon, P. & Poisson, F., 2014,
Impulse propagation over a complex site: A comparison of experimental results and numerical predictions,
J. Acoust. Soc. Am., 135(3), 1096-1105. doi:10.1121/1.4864286.
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- Jacob, M.C., Dragna, D., Cahuzac, A., Boudet, J. & Blanc-Benon, P., 2014,
Toward hybrid CAA with ground effects,
Int. J. Aeroacoustics, 13(3-4), 235-260. doi:10.1260/1475-472X.13.3-4.235.
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- Dragna, D., Bogey, C., Hornikx, M. & Blanc-Benon, P., 2013,
Analysis of the dissipation and dispersion properties of the multi-domain Chebyshev pseudospectral method,
J. Comput. Phys., 255, 31-47. doi:10.1016/j.jcp.2013.07.036.
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- Dragna, D., Blanc-Benon, P. & Poisson, F., 2013,
Time-domain solver in curvilinear coordinates for outdoor sound propagation over complex terrain,
J. Acoust. Soc. Am., 133(6), 3751-3763. doi:10.1121/1.4803863.
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- Dragna, D., Cotté, B., Blanc-Benon, P. & Poisson, F., 2011,
Time-domain simulations of outdoor sound propagation with suitable impedance boundary conditions,
AIAA J., 49(7), 1420-1428. doi:10.2514/1.J050636.
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