The numerical simulation of propagation of intensive acoustic noise

Abstract

The propagation of intensive acoustic noise is of fundamental interest in nonlinear acoustics. Some of the simplest models describing such phenomena are generalized Burgers' equations for finite amplitude sound waves. An important problem in this field is to find the wave's behavior far from the emitting source for stochastic initial waveforms. The method of numerical solution of generalized Burgers equation proposed is step-by-step calculation supported on using Wavelet Analysis. For simulating the wave evolution we used 4096 (212) point realizations and took averaging over 1000 realizations. © 2013 Acoustical Society of America.