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The formation and evolution of galaxies have proved sensitive to the inclusion of stellar feedback, which is therefore crucial to any successful galaxy model. We present INFERNO, a new model for hydrodynamic simulations of galaxies, which…

Astrophysics of Galaxies · Physics 2023-03-15 Eric P. Andersson , Oscar Agertz , Florent Renaud , Romain Teyssier

Modern hydrodynamic simulations of galaxy formation are able to predict accurately the rates and locations of the assembly of giant molecular clouds in early galaxies. These clouds could host star clusters with the masses and sizes of real…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-20 Oleg Y. Gnedin

We present here the first of a series of papers aimed at better understanding the evolution and properties of giant molecular clouds (GMCs) in a galactic context. We perform high resolution, three-dimensional {\sc arepo} simulations of an…

At ~16-17Mpc from us, the Virgo cluster is a formidable source of information to study cluster formation and galaxy evolution in rich environments. Several observationally-driven formation scenarios arose within the past decade to explain…

Cosmology and Nongalactic Astrophysics · Physics 2021-05-12 Jenny G. Sorce , Yohan Dubois , Jeremy Blaizot , Sean L. McGee , Gustavo Yepes , Alexander Knebe

Simulations from the scales of isolated galaxies to clouds have been instrumental in informing us about molecular cloud formation and evolution. Simulations are able to investigate the roles of gravity, feedback, turbulence, heating and…

Astrophysics of Galaxies · Physics 2023-12-05 Clare Dobbs

We investigate the evolution of galaxy masses and star formation rates in the Evolution and Assembly of Galaxies and their Environment (EAGLE) simulations. These comprise a suite of hydrodynamical simulations in a $\Lambda$CDM cosmogony…

Modeling unresolved turbulence in astrophysical gasdynamic simulations can improve the modeling of other subgrid processes dependent on the turbulent structure of gas: from flame propagation in the interiors of combusting white dwarfs to…

Astrophysics of Galaxies · Physics 2025-11-19 Vadim A. Semenov

We perform hydrodynamical simulations of a young galactic disc embedded in a hot gaseous halo using parameters typical for Lyman break galaxies (LBGs). We take into account the (static) gravitational potentials due to a dark matter halo, a…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Wolfgang von Glasow , Martin Krause , Jesper Sommer-Larsen , Andreas Burkert

Simulation codes for galaxy formation and evolution take on board as many physical processes as possible beyond the standard gravitational and hydrodynamical physics. Most of this extra physics takes place below the resolution level of the…

Cosmology and Nongalactic Astrophysics · Physics 2013-06-17 Bert Vandenbroucke , Sven De Rijcke , Joeri Schroyen , Natalie Jachowicz

We present hydrodynamical N-body simulations of clusters of galaxies with feedback taken from semi-analytic models of galaxy formation. The advantage of this technique is that the source of feedback in our simulations is a population of…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 C. J. Short , P. A. Thomas

The study of the metal enrichment of the intra-cluster and inter-galactic media (ICM and IGM) represents a direct means to reconstruct the past history of star formation, the role of feedback processes and the gas-dynamical processes which…

Astrophysics · Physics 2009-11-13 S. Borgani , D. Fabjan , L. Tornatore , S. Schindler , K. Dolag , A. Diaferio

This is the first attempt to construct detailed X-ray spectra of clusters of galaxies from the results of high-resolution hydrodynamic simulations and simulate X-ray observations in order to study velocity fields of the intracluster medium…

Astrophysics · Physics 2009-11-10 Yutaka Fujita , Tomoaki Matsumoto , Keiichi Wada , Tae Furusho

(Abridged) We use a combination of high resolution N-body simulations and semi-analytic techniques to follow the formation, the evolution and the chemical enrichment of cluster galaxies in a Lambda-CDM Universe. We model the transport of…

Astrophysics · Physics 2008-11-26 Gabriella De Lucia , Guinevere Kauffmann , Simon D. M. White

We use gas dynamic simulations to explore the effects of galactic winds on galaxy clusters. Two ensembles of 18 realizations, spanning a decade in temperature, are evolved with and without winds in an underlying biased CDM cosmology.…

Astrophysics · Physics 2007-05-23 Christopher A. Metzler , August E. Evrard

We use a suite of hydrodynamics simulations of the interstellar medium (ISM) within a galactic disk, which include radiative transfer, a non-equilibrium model of molecular hydrogen, and a realistic model for star formation and feedback, to…

Astrophysics of Galaxies · Physics 2024-05-07 Ava Polzin , Andrey V. Kravtsov , Vadim A. Semenov , Nickolay Y. Gnedin

A review of gravitational and hydrodynamical processes during formation of clusters and evolution of galaxies is given. Early, at the advent of N-body computer simulations, the importance of tidal fields in galaxy encounters has been…

Astrophysics · Physics 2015-06-24 Jan Palous

We present a new version of the GalactICS code that can generate self-consistent equilibrium galaxy models with a two-component stellar disc and a gas disc as well as a centrally-concentrated bulge and extended dark halo. The models can…

Astrophysics of Galaxies · Physics 2019-05-08 N. Deg , L. M. Widrow , T. Randriamampandry , C. Carignan

Cosmological simulations of galaxy formation are an invaluable tool for understanding galaxy formation and its impact on cosmological parameter inference from large-scale structure. However, their high computational cost is a significant…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-21 Alexandra Doytcheva , Filomela V. Gerou , Johannes U. Lange

Cosmological N-body simulations represent an excellent tool to study the formation and evolution of dark matter (DM) halos and the mechanisms that have originated the universal profile at the largest mass scales in the Universe. In…

Cosmology and Nongalactic Astrophysics · Physics 2021-10-12 I. Marini , A. Saro , S. Borgani , G. Murante , E. Rasia , K. Dolag , W. Lin , N. R. Napolitano , A. Ragagnin , L. Tornatore , Y. Wang

We numerically investigate dynamical and chemical properties of star clusters (open and globular clusters, and ``super star clusters'', SSC) formed in interacting/merging galaxies. The investigation is two-fold: (1) large-scale…

Astrophysics · Physics 2009-11-10 Kenji Bekki
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