Statistics – Computation
Scientific paper
Nov 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987afz....26..443s&link_type=abstract
(Astrofizika, vol. 26, May-June 1987, p. 443-456) Astrophysics (ISSN 0571-7132), vol. 26, no. 3, Nov. 1987, p. 267-276. Translat
Statistics
Computation
5
Disk Galaxies, Galactic Evolution, Gas Dynamics, Gas Viscosity, Molecular Clouds, Stellar Motions, Accretion Disks, Computational Astrophysics, Friction, Galactic Nuclei, Milky Way Galaxy
Scientific paper
The collisionless gas approximation is used to calculate the evolution of the giant molecular cloud distribution in galaxies under the influence of dynamical friction on stars and viscosity. In theory, the joint action of the viscosity and the dynamical friction can lead to the formation of the ring-shaped distribution of molecular clouds in the Galaxy with a maximum at 6-7 kpc from the center during a time of the order of a few billion years. It is noted that the contrast of the ring obtained in the calculations is somewhat less than what is actually observed.
Lipunov Vladimir M.
Sil'chenko Olga K.
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