Numerical simulations of a quasiperiodic regime in the stellar-gaseous disks of barred galaxies

Details Numerical simulations of a quasiperiodic regime in the stellar-gaseous disks of barred galaxies Numerical simulations of a quasiperiodic regime in the stellar-gaseous disks of barred galaxies

Nov 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998arep...42..730l&link_type=abstract

Astronomy Reports, Volume 42, Issue 6, November 1998, pp.730-741

Astronomy and Astrophysics

Astronomy

Scientific paper

Numerical simulations of the dynamics of the stellar-gaseous disk of a flat galaxy are presented. The simulations are based on integration of the equations of motion for the particles in the three-dimensional stellar disk coupled with solution of the complete system of two-dimensional gas-dynamical equations describing the gaseous disk. The existence of a quasiperiodic regime for the disk evolution discovered earlier during hydrodynamical simulations is confirmed. Intense flows through the central region of the disk associated with the saddle point of the bar potential may provide a mechanism for supporting the nuclear activity in Seyfert galaxies.

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