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METHODOLOGICAL NOTES

Nonlinear acoustic waves in media with absorption and dispersion

B. B. Voronov, A. I. Korobov, O. V. Rudenko

Lomonosov Moscow State University

Abstract: A series of laboratory exercises in nonlinear wave physics assigned to students of the Physics Department of the Moscow State University in the laboratory of the Acoustics Section is described. The series consists of three assignments: 1) experimental investigation of nonlinear waves in dissipative media; 2) Investigation of nonlinear phenomena in acoustic beams by mathematical simulation using personal computers, and 3) Experimental investigation of wave propagation in a medium with dispersion (capillary waves on the surface of a liquid). As a result of carrying out these assignments, the students become familiar with the characteristic features of the behavior of nonlinear waves and the modern methods of describing and studying them.

PACS: 43.25.Dc, 43.25.Yw, 43.28.Mw, 62.50.+p, 62.65.+k, 62.60.+v

DOI: 10.3367/UFNr.0162.199209f.0159

 English version: Physics–Uspekhi, 1992, 35:9, 796–804