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We report the results of 1D hydro dynamical modelling of the evolution of gas in galaxy clusters. We have incorporated many of the effects missing from earlier 1D treatments: improved modelling of the dark matter and galaxy distributions, cosmologically realistic evolution of the cluster potential, and the effects of a multiphase cooling flow. The model utilizes a fairly standard 1D Lagrangian hydro dynamical code to calculate the evolution of the intracluster gas. This is coupled to a theoretical model for the growth of dark matter density perturbations. The main advantages of this treatment over 3D codes are (1) improved spatial resolution within the cooling flow region, (2) much faster execution time, allowing a fuller exploration of parameter space, and (3) the inclusion of additional physics.
Knight et al. (Fri,) studied this question.