Low Velocity Shock-Cloud Encounters I. Two Dimensional Hydrodynamical Model

Details Low Velocity Shock-Cloud Encounters I. Two Dimensional Hydrodynamical Model Low Velocity Shock-Cloud Encounters I. Two Dimensional Hydrodynamical Model

Nov 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995ap%26ss.233..169h&link_type=abstract

Astrophysics and Space Science, Volume 233, Issue 1-2, pp. 169-173

Astronomy and Astrophysics

Astrophysics

5

Molecular Clouds, Shock Fronts, Numerical Simulation

Scientific paper

Shocks propagating in the interstellar medium (ISM) play an important role in the life of molecular clouds. Through a theoretical study of interaction between clouds and shocks we can understand, for example, the density distribution of observed molecular clouds and the first steps of star formation. The only way to study of interaction in detail is via a numerical hydrodynamical simulation. In this paper we present the first results of a hydrocode which is able to follow the processes after the collision between the cloud and shock front. Our main theoretical result is that the chemical processes (e.g. H2 dissociation) can affect the dynamical processes significantly. Global parameters of the cloud are calculated for the comparision of the simulation and the observations.

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