 | | Journal of Applied
Mathematics and Mechanics
Russian Academy of Sciences | | Founded
in January 1936
(Translated from 1958)
Issued 6 times a year
ISSN 0021-8928
(print version) |
Archive of Issues
| Total articles in the database: | | 10522 |
| In Russian (ÏÌÌ): | | 9723
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| In English (J. Appl. Math. Mech.): | | 799 |
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| A.Yu. Vasil’ev and Yu.D. Chashechkin, "Damping of the free oscillations of a neutral buoyancy sphere in a viscous stratified fluid," J. Appl. Math. Mech. 73 (5), 558-565 (2009) |
| Year |
2009 |
Volume |
73 |
Issue |
5 |
Pages |
558-565 |
| Title |
Damping of the free oscillations of a neutral buoyancy sphere in a viscous stratified fluid |
| Author(s) |
A.Yu. Vasil’ev (Moscow, Russia)
Yu.D. Chashechkin (Moscow, Russia) |
| Abstract |
A technique is developed for calculating the oscillations of balanced spheres at neutral buoyancy levels based on the linearization of the equations of the mechanics of a viscous, continuously stratified fluid. A self-consistent system of integro-differential equations is obtained and analysed using perturbation theory methods. The results of calculations of the displacements of the centres of the spheres are reduced to a form which a permits direct comparison with a laboratory experiment and they agree with the data of measurements. A comparison is made with calculations of the free oscillations of a sphere in an ideal fluid. |
| Received |
10 November 2008 |
| Link to Fulltext |
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