Laboratoire de Mécanique des Fluides et d'Acoustique, UMR 5509 Centre Acoustique Laboratoire de Mécanique des Fluides et d'Acoustique
UMR CNRS 5509
Center for Acoustic Research - LMFA
   ECL   LMFA 

Didier Dragna

  • Assistant-Professor, Ecole Centrale de Lyon

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)

 

Award

  • Yves Rocard prize of the French Acoustical Society (2015)

 

Publications

  1. 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. pdf download pdf
  2. 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. pdf download pdf
  3. 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, Journal of Sound and Vibration, 392, 200-216. pdf download pdf
  4. 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. pdf download pdf
  5. 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. pdf download pdf
  6. 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. pdf download pdf
  7. Dragna, D. & Blanc-Benon, P., 2015, Sound radiation by a moving line source above an impedance plane with frequency-dependent properties, Journal of Sound and Vibration, 349, 259-275. pdf download pdf
  8. Dragna, D., Blanc-Benon, P. & Poisson, F., 2014, Modeling of broadband moving sources for time-domain simulations of outdoor sound propagation, AIAA Journal, 52(9), 1928-1939. pdf download pdf
  9. 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. pdf download pdf
  10. 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. pdf download pdf pdf errata
  11. 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. pdf download pdf
  12. Jacob, M.C., Dragna, D., Cahuzac, A., Boudet, J. & Blanc-Benon, P., 2014, Toward hybrid CAA with ground effects, International Journal of Aeroacoustics, 13(3-4), 235-260. pdf download pdf
  13. 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. pdf download pdf
  14. 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. pdf download pdf
  15. 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. pdf download pdf
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