L. Ting and M. J. Miksis, On Vortical Flow and Sound Generation, SIAM Journal on Applied Mathematics, vol.50, issue.2, pp.521-536, 1990.
DOI : 10.1137/0150031

L. Ting and O. M. Knio, Vortical flow outside a sphere and sound generation, SIAM Journal 493 on Applied Mathematics, vol.57, issue.4, pp.972-981, 1997.

A. S. Bonnet-ben-dhia, L. Dahi, E. Lunéville, and V. Pagneux, ACOUSTIC DIFFRACTION BY A PLATE IN A UNIFORM FLOW, Mathematical Models and Methods in Applied Sciences, vol.36, issue.05, pp.625-647, 2002.
DOI : 10.1017/S0022112081002206
URL : https://hal.archives-ouvertes.fr/hal-00990309

D. Blokhintzev, The Propagation of Sound in an Inhomogeneous and Moving Medium I, The Journal of the Acoustical Society of America, vol.18, issue.2, p.498
DOI : 10.1121/1.1916368

A. D. Pierce, Wave equation for sound in fluids with unsteady inhomogeneous flow, The Journal of the Acoustical Society of America, vol.87, issue.6, p.500
DOI : 10.1121/1.399073

J. P. Coyette, Manuel théorique ACTRAN, Free Field Technologies, p.503, 2001.

S. Duprey, Etude mathématique et numérique de la propagation acoustique d'un turboréacteur, p.504

W. Eversman, The Boundary condition at an Impedance Wall in a Non-Uniform Duct with 506 Potential Mean Flow, J. Acoust. Soc. Am, vol.246, issue.1, pp.63-69, 2001.

G. Gabard and E. J. Brambley, A full discrete dispersion analysis of time-domain simulations of acoustic liners with flow, Journal of Computational Physics, vol.273, issue.51211, pp.310-326, 2001.
DOI : 10.1016/j.jcp.2014.05.004

H. Galbrun, Propagation d'une onde sonore dans l'atmosphère terrestre et théorie des zones 516 de silence, p.517, 1931.

G. Gabard, R. J. Astley, and M. B. Tahar, Stability and accuracy of finite element methods for 518 flow acoustics: II. Two-dimensional effects, International Journal for Numerical Methods Engineering, vol.519, issue.63, pp.974-987, 2005.

F. Treyssede, G. Gabard, and M. B. Tahar, A mixed finite element method for acoustic wave 521 propagation in moving fluids based on an Eulerian-Lagrangian description, J. Acoust. Soc, p.522

M. E. Goldstein, S. E. Bergliaffa, K. Hibberd, M. Stone, M. Visser et al., Wave Equation for Sound in Fluids 526 with Vorticity Sound propagation in an annular duct with mean potential 528 swirling flow Acoustic-vorticity waves in swirling flows Propagation of unsteady disturbances in a slowly varying duct with 532 mean swirling flow, Atassi, Computing the sound power in non-uniform flow, pp.433-468, 1978.

C. K. Tam and L. Auriault, The wave modes in ducted swirling flows, J. Fluid Mech, vol.371, pp.537-538, 1998.

C. J. Heaton and N. Peake, Algebraic and exponential instability of inviscid swirling flow, J. 539 Fluid Mech, pp.279-318, 2006.

C. Prax, F. Golanski, and L. Nadal, Control of the vorticity mode in the linearized Euler equations for hybrid aeroacoustic prediction, Journal of Computational Physics, vol.227, issue.12, pp.6044-6057, 2008.
DOI : 10.1016/j.jcp.2008.02.022
URL : https://hal.archives-ouvertes.fr/hal-00384036

J. H. Seo and Y. J. Moon, Linearized perturbed compressible equations for low Mach number aeroacoustics, Journal of Computational Physics, vol.218, issue.2, pp.702-719, 2006.
DOI : 10.1016/j.jcp.2006.03.003

F. Nataf, A new approach to perfectly matched layers for the linearized Euler system, J. Com- 545 put. Phys, pp.757-772, 2006.

C. D. Munz, M. Dumbser, and S. Roller, Linearized acoustic perturbation equations for low Mach 547 number flow with variable density and temperature 549 [28] W. A. Möhring, A well proposed acoustic analogy based on a moving acoustic medium, Proceed- 550 ings 1st Aeroacoustic Workshop (in connection with the german research project SWING), pp.352-364, 1999.
DOI : 10.1016/j.jcp.2007.02.022

C. Legendre, G. Lielens, J. Bécache, A. Bonnet-ben, G. Dhia et al., ASME 554 NCAD meeting Pridmore Brown, Sound propagation in a fluid flowing through an attenuating duct The 556 Perfectly matched layers for time- 558 harmonic acoustics in the presence of a uniform flow Hu, A perfectly matched layer absorbing boundary condition for linearized Euler equations 561 with a non-uniform mean flow Stability of Acoustic Propagation 563 in a 2D Flow Duct: A Low Frequency Approach Time-harmonic 565 acoustic propagation in the presence of a shear flow Acoustic propagation in a flow: 568 numerical simulation of the time-harmonic regime, Proceedings of of the Internoise 2012 ESAIM Proceedings Millot and S. Pernet, A low Mach model for time 570 harmonic acoustics in arbitrary flows, J. of Comp. and App, pp.555-670, 1958.

G. Gabard, Discontinuous Galerkin methods with plane waves for time-harmonic problems, Journal of Computational Physics, vol.225, issue.2, pp.1961-1984, 2007.
DOI : 10.1016/j.jcp.2007.02.030

A. Ern and J. Guermond, Theory and practice of finite Element, Applied Mathematical 578 Sciences, p.579, 2004.
DOI : 10.1007/978-1-4757-4355-5