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Prikladnaya Mekhanika i Tekhnicheskaya Fizika, 2019, Volume 60, Issue 1, Pages 20–26
DOI: https://doi.org/10.15372/PMTF20190103 (Mi pmtf477) 		 
Internal gravity waves excited by a moving oscilatting source in a stratified medium with variable buoyancy

V. V. Bulatov, Yu. V. Vladimirov

Ishlinsky Institute for Problems in Mechanics, Russian Academy of Sciences, Moscow, 119526, Russia
Full-text PDF (244 kB)
DOI: https://doi.org/10.15372/PMTF20190103
Abstract: A problem of a far field generated by internal gravity waves from an oscillating point source of perturbations that moves in a vertically infinite stratified medium with variable buoyancy. For a simulated quadratic distribution of buoyancy frequencies, analytical solutions of the main boundary-value problem are obtained, expressed through parabolic cylinder functions. Asymptotic solutions constructed in this paper make it possible to describe amplitude-phase characteristics of far fields generated by internal gravity waves in a stratified medium with a variable Brunt–Väiää frequency.
Keywords: stratified medium, internal gravity waves, variable buoyancy frequency.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation АААА-А17-117021310375-7
Received: 12.03.2018
Revised: 19.07.2018
Accepted: 03.09.2018
English version:
Journal of Applied Mechanics and Technical Physics, 2019, Volume 60, Issue 1, Pages 16–21
DOI: https://doi.org/10.1134/S0021894419010036
Bibliographic databases:
Document Type: Article
UDC: 532.59:534.1
Language: Russian
Citation: V. V. Bulatov, Yu. V. Vladimirov, “Internal gravity waves excited by a moving oscilatting source in a stratified medium with variable buoyancy”, Prikl. Mekh. Tekh. Fiz., 60:1 (2019), 20–26; J. Appl. Mech. Tech. Phys., 60:1 (2019), 16–21
Citation in format AMSBIB
\Bibitem{BulVla19}
\by V.~V.~Bulatov, Yu.~V.~Vladimirov
\paper Internal gravity waves excited by a moving oscilatting source in a stratified medium with variable buoyancy
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2019
\vol 60
\issue 1
\pages 20--26
\mathnet{http://mi.mathnet.ru/pmtf477}
\crossref{https://doi.org/10.15372/PMTF20190103}
\elib{https://elibrary.ru/item.asp?id=36976006}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2019
\vol 60
\issue 1
\pages 16--21
\crossref{https://doi.org/10.1134/S0021894419010036}
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