Large-amplitude waves in a gas disk. I. Stationary periodic waves

The exact nonlinear equation of short-wave perturbations of a rotating gas disk has been solved numerically. Nonlinear periodic waves whose amplitude for fixed propagation velocity is bounded above were obtained. The limiting value of the amplitude increases with increasing wave velocity. The result...

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Bibliographic Details
Published in:Astrophysics 1986-07, Vol.24 (1), p.99-106
Main Authors: Abramyan, M. G., Mikhailova, E. A., Morozov, A. G.
Format: Article
Language:English
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Summary:The exact nonlinear equation of short-wave perturbations of a rotating gas disk has been solved numerically. Nonlinear periodic waves whose amplitude for fixed propagation velocity is bounded above were obtained. The limiting value of the amplitude increases with increasing wave velocity. The results are used to estimate the parameters of the '3-kpc arm' and the '135-km/sec feature' of the Galaxy and the fine structure of Saturn's rings. (Author)
ISSN:0571-7132
0571-7256
1573-8191
DOI:10.1007/BF01005578