Geodesic
Propagation of perturbations in fluids excited by moving sources
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 50 (2010) no. 12, pp. 2223-2232 Cet article a éte moissonné depuis la source Math-Net.Ru

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A large series of A.A. Dorodnicyn's works deals with rigorous mathematical formulations and development of efficient research techniques for mathematical models used in inhomogeneous fluid dynamics. Numerous problems he studied in these directions are closely related to stratified fluid dynamics, which were addressed in a series of works having been published in this journal by this paper's authors and their coauthors since 1980. This paper describes the results of a series of works analyzing the propagation of small perturbations in various stratified and/or uniformly rotating inviscid fluids. It is assumed that each of the fluids either occupies an unbounded lower half-space with a free surface or is a semi-infinite two-component fluid layer. The perturbations are excited by a moving source specified as a periodic plane wave traveling along the interface of the fluids. Problems for five mathematical fluid models are formulated, their explicit analytical solutions are constructed, and their existence and uniqueness are discussed. The asymptotics of the solution as $t\to+\infty$ are studied, and the long-time wave patterns developing in five fluid models are compared. 
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L. V. Perova; A. G. Sveshnikov. Propagation of perturbations in fluids excited by moving sources. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 50 (2010) no. 12, pp. 2223-2232. http://geodesic.mathdoc.fr/item/ZVMMF_2010_50_12_a11/

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