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A Comparison of Semi-Analytic and Smoothed Particle Hydrodynamics Galaxy Formation
A. J. Benson, F. R. Pearce, C. S. Frenk +2
We compare the statistical properties of galaxies found in two different models of hierarchical galaxy formation: the semi-analytic model of Cole et al. and the smoothed particle h…
The effect of radiative cooling on X-ray emission from clusters of galaxies
F. R. Pearce, H. M. P. Couchman, P. A. Thomas +1
In this paper we use state-of-the-art N-body hydrodynamic simulations of a cosmological volume of side 100Mpc to produce many galaxy clusters simultaneously in both the standard co…
Hydrodynamical drag in cosmological simulations
Eric R. Tittley, H. M. P. Couchman, F. R. Pearce
We present a study of hydrodynamic drag forces in smoothed particle simulations. In particular, the deceleration of a resolution-limited cold clump of gas moving through a hot medi…
Parameter Tests Within Cosmological Simulations of Galaxy Formation
Scott T. Kay, F. R. Pearce, A. Jenkins +4
Numerical simulations of galaxy formation require a number of parameters. Some of these are intrinsic to the numerical integration scheme (eg the timestep), while others describe t…
The effect of radiative cooling on the X-ray properties of galaxy clusters
F. R. Pearce, P. A. Thomas, H. M. P. Couchman +1
In this paper, we investigate the effect of cooling on the X-ray properties of galaxy clusters. We have performed N-body, hydrodynamical simulations both with and without the effec…
The Santa Barbara cluster comparison project: a comparison of cosmological hydrodynamics solutions
C. S. Frenk, S. D. M. White, P. Bode +22
We have simulated the formation of an X-ray cluster in a cold dark matter universe using 12 different codes. The codes span the range of numerical techniques and implementations cu…