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Related papers: Chemo-dynamical simulations of dwarf galaxy evolut…

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The evolution of the content of heavy elements in galaxies, the relative chemical abundances, their spatial distribution, and how these scale with various galactic properties, provide unique information on the galactic evolutionary…

Astrophysics of Galaxies · Physics 2019-02-13 R. Maiolino , F. Mannucci

Dust grains play a fundamental role in galaxies, influencing both their evolution and observability. As a result, incorporating dust physics into galaxy evolution simulations is essential. This is a challenging task due to the finite…

Astrophysics of Galaxies · Physics 2025-04-16 Massimiliano Parente

An overview over the current status of modeling galaxies by means of numerical simulations is given. After a short description of how galaxies form in hierarchically clustering scenarios, success and failures of current simulations are…

Astrophysics · Physics 2007-05-23 Matthias Steinmetz

In this series of lectures I discuss the basic principles and the modelling of the chemical evolution of galaxies. In particular, I present models for the chemical evolution of the Milky Way galaxy and compare them with the available…

Astrophysics · Physics 2007-05-23 F. Matteucci

The abundance gradients and the radial gas profile of the Galactic disc are analysed by means of a model for the chemical evolution of galaxies. As one of the major uncertainties in models for galaxy evolution is the star formation (SF)…

Astrophysics · Physics 2007-05-23 L. Portinari , C. Chiosi

We have undertaken numerical simulations of galaxy interactions and mergers, coupling the dynamics with the star formation history and the chemical evolution. The self-gravity of stars and gas is taken into account through a tree-code…

Astrophysics · Physics 2009-11-07 F. Combes , A. L. Melchior

I first comment on some recent advances in computing equipment for CPU-intensive numerical simulations, and on possible developments in the near future. I then discuss some particularly important and yet unsolved problems in dynamics and…

Astrophysics · Physics 2007-05-23 E. Athanassoula

We simulate the dynamical and chemical evolution of a dwarf galaxy embedded in a dark matter halo, using a three-dimensional N-body/SPH simulation code combined with stellar population synthesis. The initial condition is adopted in accord…

Astrophysics · Physics 2016-08-30 Masao Mori , Yuzuru Yoshii , Takuji Tsujimoto , Ken'ichi Nomoto

Dwarf galaxies pose significant challenges for cosmological models. In particular, current models predict a dark matter density that is divergent at the center, in sharp contrast with observations which indicate an approximately constant…

Astrophysics · Physics 2009-11-13 Sergey Mashchenko , James Wadsley , H. M. P. Couchman

We simulate the formation and evolution of galaxies with a self-consistent 3D hydrodynamical model including star formation, supernova feedback, and chemical enrichment. Hypernova feedback plays an essential role not only in solving the…

Astrophysics of Galaxies · Physics 2009-11-06 Chiaki Kobayashi

In a series of papers, we present detailed chemo-dynamical simulations of tidal dwarf galaxies (TDGs). After the first paper, where we focused on the very early evolution, we present in this work simulations on the long-term evolution of…

Astrophysics of Galaxies · Physics 2015-06-23 Sylvia Ploeckinger , Simone Recchi , Gerhard Hensler , Pavel Kroupa

The primary present-day observables upon which theories of galaxy evolution are based are a system's morphology, dynamics, colour, and chemistry. Individually, each provides an important constraint to any given model; in concert, the four…

Astrophysics · Physics 2009-11-10 Brad K. Gibson , Yeshe Fenner , Agostino Renda , Daisuke Kawata , Hyun-chul Lee

Dust plays an important role in the evolution of a galaxy, since it is one of the main ingredients for efficient star formation. Dust grains are also a sink/source of metals when they are created/destroyed, and, therefore, a self-consistent…

Astrophysics of Galaxies · Physics 2020-04-08 I. Millán-Irigoyen , M. Mollá , Y. Ascasibar

I review the subject of the cosmological evolution of galaxies, including different aspects of growth in disk galaxies, by focussing on the angular momentum problem, mergers, and their by-products. I discuss the alternative to merger-driven…

Cosmology and Nongalactic Astrophysics · Physics 2012-12-10 Isaac Shlosman

Large volume cosmological simulations succeed in reproducing the large-scale structure of the Universe. However, they lack resolution and may not take into account all relevant physical processes to test if the detail properties of galaxies…

Astrophysics · Physics 2015-05-13 Marie Martig , Frederic Bournaud , Romain Teyssier

Dwarf galaxies are the least massive, most abundant, and most widely distributed type of galaxies. Hence, they are key to testing theories of galaxy and Universe evolution. Dwarf galaxies sufficiently close to have their gas and stellar…

Astrophysics of Galaxies · Physics 2022-01-19 Francesca Annibali , Monica Tosi

The determination of chemical abundances in star-forming galaxies and the study of their evolution on cosmological timescales are powerful tools for understanding galaxy formation and evolution. This contribution presents the latest results…

Astrophysics · Physics 2007-05-23 T. Contini , M. -A. Treyer , M. Mouhcine , M. Sullivan , R. S. Ellis

We construct three extreme different scenarios of the star formation histories applicable to a sample of dwarf galaxies, based either on their present metallicity or their luminosity. The three possible scenarios imply different mechanical…

Dwarf galaxies are thought of as the building blocks of large galaxies such as our Milky Way. This paper presents new high-resolution hydrodynamical simulations of dwarf galaxies and their intergalactic medium with the \texttt{GIZMO} code.…

Astrophysics of Galaxies · Physics 2025-06-06 Pei-Cheng Tung , Ke-Jung Chen

I review the current state of numerical simulations of stellar feedback in the context of star formation at scales ranging from the formation of individual stars to models of galaxy formation including cosmic reionisation. I survey the…

Astrophysics of Galaxies · Physics 2015-08-26 James E. Dale