Geodesic
Numerical simulation of the galaxies outer spiral structure: the influence of the dark halo non-axisymmetry on the gaseous disk shape
Matematičeskaâ fizika i kompʹûternoe modelirovanie, Tome 25 (2022) no. 3, pp. 73-83.

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A detailed analysis of the results of numerical simulation of the outer spiral structure in a gaseous galactic disk caused by the presence of non-axisymmetry in the distribution of matter in a dark halo have been fulfilled. The result obtained in our previous work [8] that the non-axisymmetry of the gaseous disk is less than the non-axisymmetry in the dark mass distribution for disks with a spiral structure extending far beyond the optical radius, have been confirmed. Also, the result has been generalized for the dark halo model, which is spherical within the optical radius and non-axisymmetric beyond it.
Keywords: hydrodynamics, numerical simulation, dark halo, non-axisymmetry.
Mots-clés : outer spiral structure 
@article{VVGUM_2022_25_3_a4,
     author = {M. A. Butenko and I. V. Belikova and N. M. Kuz'min and S. S. Khokhlova and G. S. Ivanchenko and A. V. T{\cyre}n and I. G. Kudina},
     title = {Numerical simulation of the galaxies outer spiral structure: the influence of the dark halo non-axisymmetry on the gaseous disk shape},
     journal = {Matemati\v{c}eska\^a fizika i kompʹ\^uternoe modelirovanie},
     pages = {73--83},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {2022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/VVGUM_2022_25_3_a4/}
}
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M. A. Butenko; I. V. Belikova; N. M. Kuz'min; S. S. Khokhlova; G. S. Ivanchenko; A. V. Tеn; I. G. Kudina. Numerical simulation of the galaxies outer spiral structure: the influence of the dark halo non-axisymmetry on the gaseous disk shape. Matematičeskaâ fizika i kompʹûternoe modelirovanie, Tome 25 (2022) no. 3, pp. 73-83. http://geodesic.mathdoc.fr/item/VVGUM_2022_25_3_a4/