Wave propagation over the free surface of a two-phase medium with a nonuniform concentration of the disperse phase

The boundary-value problem of waves on the surface of a two-phase medium with a nonuniform (exponential) distribution of the disperse phase is formulated. An asymptotic solution of the linear problem in the form of damped progressive waves is obtained. The phase velocity, frequency, and damping decr...

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Bibliographic Details
Published in:Journal of applied mechanics and technical physics 2004-07, Vol.45 (4), p.477-485
Main Authors: BARINOV, V. A, BUTAKOVA, N. N
Format: Article
Language:English
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Summary:The boundary-value problem of waves on the surface of a two-phase medium with a nonuniform (exponential) distribution of the disperse phase is formulated. An asymptotic solution of the linear problem in the form of damped progressive waves is obtained. The phase velocity, frequency, and damping decrement for the waves are found. The perturbation of the admixture concentration is determined, which, unlike in the case of a uniform distribution, is manifested even in a linear approximation. Numerical calculations were performed for concrete media.
ISSN:0021-8944
1573-8620
DOI:10.1023/B:JAMT.0000030323.51660.c5