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Theoretical results and numerical study on the nonlinear reflection and transmission of plane sound waves

Wojcik J., Gambin B., Litniewski J.

Hydroacoustics

2015

Vol. 18

181-192

The comparison between theoretical and numerical solutions of the reflection/transmission problem for the acoustic plane wave normally incident on the discontinuity surface between two nonlinear lossy media was presented. Numerical calculations made under the assumption that the two media have the same impedance, allow to single out the effect of nonlinearities in the description of the reflection and transmission phenomena, so they agreed with theoretical predictions. It was shown that theoretically obtained and numerically calculated results mutually confirmed themselves.