Numerical model of interaction of strong spherical shocks in intergalactic gas

Details Numerical model of interaction of strong spherical shocks in intergalactic gas Numerical model of interaction of strong spherical shocks in intergalactic gas

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18..449b&link_type=abstract

Soviet Astronomy Letters, Vol. 18, p. 449; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 12, p. 1095-1107. I

Statistics

Computation

2

Interstellar Gas, Mathematical Models, Shock Wave Interaction, Universe, Adiabatic Conditions, Computational Astrophysics, Galactic Evolution, Gravitational Effects, Supernovae

Scientific paper

A dynamic picture of interaction of intergalactic shocks of the same intensity, generated by the explosions of massive stars, is described by quantitative estimates. A complex set of hydrodynamical discontinuities develops in the interaction area, including the unstable vortex list. Decay of this vortex list gives rise to a vortex cell on the scale of the characteristic size of spiral galaxies. Results of numerical models for the shock-shock interaction, which improve sufficiently our preliminary rough estimates, are presented.

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