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Related papers: FIRE-2 Simulations: Physics versus Numerics in Gal…

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We use hydrodynamical simulations from the OWLS project to investigate the dependence of the physical properties of galaxy populations at redshift 2 on metal-line cooling and feedback from star formation and active galactic nuclei (AGN). We…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-12 Marcel R. Haas , Joop Schaye , C. M. Booth , Claudio Dalla Vecchia , Volker Springel , Tom Theuns , Robert P. C. Wiersma

We present an analysis of the galaxy-scale gaseous outflows from the FIRE (Feedback in Realistic Environments) simulations. This suite of hydrodynamic cosmological zoom simulations resolves formation of star-forming giant molecular clouds…

We present SPICE, a new suite of RHD cosmological simulations targeting the epoch of reionisation. The goal of these simulations is to systematically probe a variety of stellar feedback models, including "bursty" and "smooth" forms of…

Astrophysics of Galaxies · Physics 2024-10-23 Aniket Bhagwat , Tiago Costa , Benedetta Ciardi , Rüdiger Pakmor , Enrico Garaldi

Supernova (SN) feedback is one of the key processes shaping the interstellar medium (ISM) of galaxies. SNe contribute to (and in some cases may dominate) driving turbulence in the ISM and accelerating galactic winds. Modern cosmological…

Astrophysics of Galaxies · Physics 2016-01-11 Davide Martizzi , Claude-Andre Faucher-Giguere , Eliot Quataert

We conduct a systematic study of the angular momentum problem in numerical simulations of disk galaxy formation. We investigate the role of numerical resolution using a semi-cosmological setup which combines an efficient use of the number…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-14 Franziska Piontek , Matthias Steinmetz

We simulate the formation and chemodynamical evolution of 128 elliptical galaxies using a GRAPE-SPH code that includes various physical processes that are associated with the formation of stellar systems: radiative cooling, star formation,…

Astrophysics · Physics 2009-11-11 Chiaki Kobayashi

We introduce project NIHAO (Numerical Investigation of a Hundred Astrophysical Objects), a set of 100 cosmological zoom-in hydrodynamical simulations performed using the gasoline code, with an improved implementation of the SPH algorithm.…

Tracing the cosmic path of galaxies requires an understanding of their chemical enrichment and merging histories. One of the most important constraints is the internal structure of galaxies, notably the internal distribution of elements…

Astrophysics of Galaxies · Physics 2025-10-14 Dyna Ibrahim , Chiaki Kobayashi

We present cosmological hydrodynamical simulations of eight Milky Way-sized haloes that have been previously studied with dark matter only in the Aquarius project. For the first time, we employ the moving-mesh code AREPO in zoom simulations…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Federico Marinacci , Ruediger Pakmor , Volker Springel

Recent strides have been made developing dust evolution models for galaxy formation simulations but these approaches vary in their assumptions and degree of complexity. Here we introduce and compare two separate dust evolution models…

Metallicity is a fundamental physical property that strongly constrains galaxy formation and evolution. The formation of stars in galaxies is suppressed by the energy released from supernova explosions and can be enhanced by metal…

Astrophysics of Galaxies · Physics 2023-10-26 Dyna Ibrahim , Chiaki Kobayashi

Feedback from massive stars is believed to play a critical role in driving galactic super-winds that enrich the IGM and shape the galaxy mass function and mass-metallicity relation. In previous papers, we introduced new numerical methods…

Cosmology and Nongalactic Astrophysics · Physics 2012-06-22 Philip F. Hopkins , Eliot Quataert , Norman Murray

We investigate the star formation-feedback cycle in cosmological galaxy formation simulations, focusing on progenitors of Milky Way (MW)-sized galaxies. We find that in order to reproduce key properties of the MW progenitors, such as…

Astrophysics of Galaxies · Physics 2015-06-19 Oscar Agertz , Andrey V. Kravtsov

We study the dependence of fragmentation in massive gas-rich galaxy disks at $z > 1$ on feedback model and hydrodynamical method, employing the GASOLINE2 SPH code and the lagrangian mesh-less code GIZMO in finite mass mode. We compare…

Astrophysics of Galaxies · Physics 2016-10-19 Lucio Mayer , Valentina Tamburello , Alessandro Lupi , Ben Keller , James Wadsley , Piero Madau

Radiation feedback from stellar clusters is expected to play a key role in setting the rate and efficiency of star formation in giant molecular clouds (GMCs). To investigate how radiation forces influence realistic turbulent systems, we…

Astrophysics of Galaxies · Physics 2016-10-05 Sudhir Raskutti , Eve C. Ostriker , M. Aaron Skinner

We introduce a new suite of simulations, "The Cloud Factory", which self-consistently forms molecular cloud complexes at high enough resolution to resolve internal substructure (up to 0.25 Msol in mass) all while including galactic-scale…

Feedback from supernovae (SNe) is an essential mechanism that self-regulates the growth of galaxies, and a better model of SN feedback is still needed in galaxy formation simulations. In the first part of this paper, using an Eulerian…

Astrophysics of Galaxies · Physics 2022-08-31 Yuri Oku , Kengo Tomida , Kentaro Nagamine , Ikkoh Shimizu , Renyue Cen

We address the issue of numerical convergence in cosmological smoothed particle hydrodynamics simulations using a suite of runs drawn from the EAGLE project. Our simulations adopt subgrid models that produce realistic galaxy populations at…

Astrophysics of Galaxies · Physics 2020-05-08 Aaron D. Ludlow , Joop Schaye , Matthieu Schaller , Richard Bower

The evolution of the large-scale distribution of matter is sensitive to a variety of fundamental parameters that characterise the dark matter, dark energy, and other aspects of our cosmological framework. Since the majority of the mass…

Cosmology and Nongalactic Astrophysics · Physics 2017-01-25 Ian G. McCarthy , Joop Schaye , Simeon Bird , Amandine M. C. Le Brun

With the ever increasing size and complexity of fully self-consistent simulations of galaxy formation within the framework of the cosmic web, the demands upon object finders for these simulations has simultaneously grown. To this extent we…

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