Mathematics – Logic
Scientific paper
Dec 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988mnras.235..911e&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 235, Dec. 15, 1988, p. 911-934.
Mathematics
Logic
175
Cosmology, Galactic Clusters, Gas Dynamics, Three Dimensional Models, Gas Heating, Gravitational Collapse, Radiant Cooling, Shock Heating, Static Tests
Scientific paper
The author presents a numerical method for following the hydrodynamics of a gaseous component in 3D cosmological simulations containing both gas and collisionless components. The gas physics incorporated within the model includes self-gravity, the gravity from additional collisionless components, adiabatic heating, heating due to shocks, and radiative cooling. The use of variable spatial resolution allows reliable definition of a wide dynamic range. This makes the code optimal for tackling the general problem of clustering from an initially Gaussian random field. Tests of the method are presented, with emphasis on following the collapse and shock-heating of initially cold clouds.
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