Abstract
This paper develops an analytical solution for sound, electromagnetic or any other wave propagation described by the Helmholtz equation in three-dimensional case. First, a theoretical investigation based on multipole expansion method and spherical wave functions was established, through which we show that the resolution of the problem is reduced to solving an infinite, complex and large linear system. Second, we explain how to suitably truncate the last infinite dimensional system to get an accurate stable and fast numerical solution of the problem. Then, we evaluate numerically the theoretical solution of scattering problem by multiple ideal rigid spheres. Finally, we made a numerical study to present the “Head related transfer function” with respect to different physical and geometrical parameters of the problem.
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Amamou, M.L. A theoretical and numerical resolution of an acoustic multiple scattering problem in three-dimensional case. Acoust. Phys. 62, 280–291 (2016). https://doi.org/10.1134/S1063771016030015
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DOI: https://doi.org/10.1134/S1063771016030015