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Hot and Cooled baryons in SPH simulations of galaxy clusters: physics and numerics
S. Borgani, K. Dolag, G. Murante +7
We discuss an extended set of Tree+SPH simulations of galaxy clusters, with the goal of investigating the interplay between numerical resolution effects and star-formation/feedback…
Simulating the physical properties of dark matter and gas inside the cosmic web
K. Dolag, M. Meneghetti, L. Moscardini +2
Using the results of a high-resolution, cosmological hydrodynamical re-simulation of a supercluster-like region we investigate the physical properties of the gas located along the…
The baryon fraction in hydrodynamical simulations of galaxy clusters
S. Ettori, K. Dolag, S. Borgani +1
We study the baryon mass fraction in a set of hydrodynamical simulations of galaxy clusters performed using the Tree+SPH code GADGET-2. We investigate the dependence of the baryon…
A simulation pipeline for the Planck mission
Martin Reinecke, Klaus Dolag, Reinhard Hell +2
We describe an assembly of numerical tools to model the output data of the Planck satellite. These start with the generation of a CMB sky in a chosen cosmology, add in various fore…
Turbulent gas motions in galaxy cluster simulations: The role of SPH viscosity
K. Dolag, F. Vazza, G. Brunetti +1
Smoothed particle hydrodynamics (SPH) employs an artificial viscosity to properly capture hydrodynamical shock waves. In its original formulation, the resulting numerical viscosity…
Properties of the diffuse X-ray background in a high-resolution hydrodynamical simulation
M. Roncarelli, L. Moscardini, P. Tozzi +5
We study the properties of the diffuse X-ray background by using the results of a cosmological hydrodynamical simulation of the concordance LambdaCDM model. The simulation follows…