Acoustic pulse evolution over a constant mean flow

Implementation of the analytical solution of a Gaussian pulse governed by the 2D & 3D Linearized Euler Equations (LEE)

This snippet exemplifies the 2D and 3D analytical solutions presented in:

[1] Tam, C. K. W., and J. Webb. "Dispersion-Relation-Preserving schemes on general geometries for computational aeroacoustics." Journal of Computational Aeroacoustics 107 (1993): 262-281.

[2] Bogey, Christophe, and Christophe Bailly. "Three-dimensional non-reflective boundary conditions for acoustic simulations: far field formulation and validation test cases." Acta Acustica united with Acustica 88.4 (2002): 463-471.