Statistics – Computation
Scientific paper
Dec 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987afz....27..549k&link_type=abstract
Astrofizika (ISSN 0571-7132), vol. 27, Dec. 1987, p. 549-558. In Russian.
Statistics
Computation
2
Galactic Evolution, Galactic Structure, Gas Dynamics, Three Body Problem, Computational Astrophysics, Numerical Integration
Scientific paper
In the framework of the general three-body problem, the evolution of triple systems of gaseous protogalactic fragments has been investigated by computer simulations. The fragments have the same masses, the initial velocities are equal to zero. The initial positions are chosen by uniform scanning in the region D of all possible initial configurations. The computations are carried on until the moment of the first double approach of fragments. It is shown that a merging in the pair of gaseous fragments takes place in the majority of cases. The average specific momentum of their orbital motion transforming to spin momentum of a "merger" is in agreement with the specific angular momenta for disc galaxies. In the region D for every different fragment radius a continuous zone of initial configurations corresponding to the mergings is separated.
Kiseleva Ludmila G.
Orlov Valeri
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