The Borg Cube Simulation: Cosmological Hydrodynamics with CRK-SPH

Emberson, J. D.; Frontiere, Nicholas; Habib, Salman; Heitmann, Katrin; Larsen, Patricia; Finkel, Hal; Pope, Adrian

doi:10.3847/1538-4357/ab1b31

Title: The Borg Cube Simulation: Cosmological Hydrodynamics with CRK-SPH

Journal Article · 28 May 2019 · The Astrophysical Journal (Online)

DOI: https://doi.org/10.3847/1538-4357/ab1b31 · OSTI ID:1542643

^[1]; Frontiere, Nicholas ^[2]; Habib, Salman ^[3];

^[3]; Larsen, Patricia ^[4]; Finkel, Hal ^[1]; Pope, Adrian ^[5]

Argonne National Lab. (ANL), Lemont, IL (United States). ALCF Division
Argonne National Lab. (ANL), Lemont, IL (United States). HEP Division; Univ. of Chicago, Chicago, IL (United States). Dept. of Physics
Argonne National Lab. (ANL), Lemont, IL (United States). HEP Division; Argonne National Lab. (ANL), Lemont, IL (United States). MCS Division
Argonne National Lab. (ANL), Lemont, IL (United States). HEP Division
Argonne National Lab. (ANL), Lemont, IL (United States). CPS Division

A challenging requirement posed by next-generation observations is a firm theoretical grasp of the impact of baryons on structure formation. Cosmological hydrodynamic simulations modeling gas physics are vital in this regard. A high degree of modeling flexibility exists in this space, making it important to explore a range of methods in order to gauge the accuracy of simulation predictions. We present results from the first cosmological simulation using Conservative Reproducing Kernel Smoothed Particle Hydrodynamics (CRK-SPH). We employ two simulations: one evolved purely under gravity, and the other with nonradiative hydrodynamics. Each contains 2 × 2304³ cold dark matter plus baryon particles in an 800 h^-1Mpc box. We compare statistics to previous nonradiative simulations including power spectra, mass functions, baryon fractions, and concentration. We find self-similar radial profiles of gas temperature, entropy, and pressure and show that a simple analytic model recovers these results to better than 40% over two orders of magnitude in mass. We quantify the level of nonthermal pressure support in halos and demonstrate that hydrostatic mass estimates are biased low by 24% (10%) for halos of mass 10¹⁵ (10¹³) h^-1 M⊙. Here, we compute angular power spectra for the thermal and kinematic Sunyaev–Zel’dovich effects and find good agreement with the low-ℓ Planck measurements. Finally, artificial scattering between particles of unequal mass is shown to have a large impact on the gravity-only run, and we highlight the importance of better understanding this issue in hydrodynamic applications. This is the first in a simulation campaign using CRK-SPH, with future work including subresolution gas treatments.

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Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA); USDOE Office of Science (SC)

Grant/Contract Number:: AC02-06CH11357

OSTI ID:: 1542643

Journal Information:: The Astrophysical Journal (Online), Journal Name: The Astrophysical Journal (Online) Journal Issue: 2 Vol. 877; ISSN 1538-4357

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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Toward first-principle simulations of galaxy formation: I. How should we choose star formation criteria in high-resolution simulations of disk galaxies? Saitoh, Takayuki R.; Daisaka, Hiroshi; Kokubo, Eiichiro arXiv https://doi.org/10.48550/arxiv.0802.0961	text	January 2008
The Effect of Gas Physics on the Halo Mass Function Stanek, R.; Rudd, D.; Evrard, A. E. arXiv https://doi.org/10.48550/arxiv.0809.2805	text	January 2008
Residual Gas Motions in the Intracluster Medium and Bias in Hydrostatic Measurements of Mass Profiles of Clusters Lau, Erwin T.; Kravtsov, Andrey V.; Nagai, Daisuke arXiv https://doi.org/10.48550/arxiv.0903.4895	text	January 2009
Impact of Cluster Physics on the Sunyaev-Zel'dovich Power Spectrum Shaw, Laurie D.; Nagai, Daisuke; Bhattacharya, Suman arXiv https://doi.org/10.48550/arxiv.1006.1945	text	January 2010
Deconstructing the kinetic SZ Power Spectrum Shaw, Laurie D.; Rudd, Douglas H.; Nagai, Daisuke arXiv https://doi.org/10.48550/arxiv.1109.0553	text	January 2011
On the Cluster Physics of Sunyaev-Zel'dovich Surveys II: Deconstructing the Thermal SZ Power Spectrum Battaglia, N.; Bond, J. R.; Pfrommer, C. arXiv https://doi.org/10.48550/arxiv.1109.3711	text	January 2011
The gas distribution in the outer regions of galaxy clusters Eckert, D.; Vazza, F.; Ettori, S. arXiv https://doi.org/10.48550/arxiv.1111.0020	text	January 2011
Evolution of the Merger Induced Hydrostatic Mass Bias in Galaxy Clusters Nelson, Kaylea; Rudd, Douglas H.; Shaw, Laurie arXiv https://doi.org/10.48550/arxiv.1112.3659	text	January 2011
The Baryon Oscillation Spectroscopic Survey of SDSS-III Dawson, Kyle S.; Schlegel, David J.; Ahn, Christopher P. arXiv https://doi.org/10.48550/arxiv.1208.0022	text	January 2012
On the Cluster Physics of Sunyaev-Zel'dovich and X-ray Surveys III: Measurement Biases and Cosmological Evolution of Gas and Stellar Mass Fractions Battaglia, N.; Bond, J. R.; Pfrommer, C. arXiv https://doi.org/10.48550/arxiv.1209.4082	text	January 2012
The Atacama Cosmology Telescope: likelihood for small-scale CMB data Dunkley, J.; Calabrese, E.; Sievers, J. arXiv https://doi.org/10.48550/arxiv.1301.0776	text	January 2013
Planck 2013 results. I. Overview of products and scientific results Collaboration, Planck; Ade, P. A. R.; Aghanim, N. arXiv https://doi.org/10.48550/arxiv.1303.5062	text	January 2013
Enzo: An Adaptive Mesh Refinement Code for Astrophysics Collaboration, The Enzo; Bryan, Greg L.; Norman, Michael L. arXiv https://doi.org/10.48550/arxiv.1307.2265	text	January 2013
HACC: Simulating Sky Surveys on State-of-the-Art Supercomputing Architectures Habib, Salman; Pope, Adrian; Finkel, Hal arXiv https://doi.org/10.48550/arxiv.1410.2805	text	January 2014
Planck 2015 results. XXII. A map of the thermal Sunyaev-Zeldovich effect Collaboration, Planck; Aghanim, N.; Arnaud, M. arXiv https://doi.org/10.48550/arxiv.1502.01596	text	January 2015
The Mira-Titan Universe: Precision Predictions for Dark Energy Surveys Heitmann, Katrin; Bingham, Derek; Lawrence, Earl arXiv https://doi.org/10.48550/arxiv.1508.02654	text	January 2015
Simulations of the Pairwise Kinematic Sunyaev-Zel'dovich Signal Flender, Samuel; Bleem, Lindsey; Finkel, Hal arXiv https://doi.org/10.48550/arxiv.1511.02843	text	January 2015
Examining the Accuracy of Astrophysical Disk Simulations With a Generalized Hydrodynamical Test Problem Raskin, Cody; Owen, J. Michael arXiv https://doi.org/10.48550/arxiv.1607.04293	text	January 2016
Accurate initial conditions in mixed Dark Matter--Baryon simulations Valkenburg, Wessel; Villaescusa-Navarro, Francisco arXiv https://doi.org/10.48550/arxiv.1610.08501	text	January 2016
First results from the IllustrisTNG simulations: matter and galaxy clustering Springel, Volker; Pakmor, Rüdiger; Pillepich, Annalisa arXiv https://doi.org/10.48550/arxiv.1707.03397	text	January 2017
Modelling Baryonic Effects on Galaxy Cluster Mass Profiles Shirasaki, Masato; Lau, Erwin T.; Nagai, Daisuke arXiv https://doi.org/10.48550/arxiv.1711.06366	text	January 2017
Two-Body Relaxation in Cosmological Simulations Binney, James; Knebe, Alexander arXiv https://doi.org/10.48550/arxiv.astro-ph/0105183	text	January 2001
A Universal Temperature Profile for Galaxy Clusters Loken, C.; Norman, M. L.; Nelson, E. arXiv https://doi.org/10.48550/arxiv.astro-ph/0207095	text	January 2002
The radial structure of galaxy groups and clusters Ascasibar, Y.; Yepes, G.; Mueller, V. arXiv https://doi.org/10.48550/arxiv.astro-ph/0306264	text	January 2003
A dynamical model for the distribution of dark matter and gas in galaxy clusters Rasia, Elena; Tormen, Giuseppe; Moscardini, Lauro arXiv https://doi.org/10.48550/arxiv.astro-ph/0309405	text	January 2003
Cosmological simulations of the intracluster medium Kay, Scott T.; Thomas, Peter A.; Jenkins, Adrian arXiv https://doi.org/10.48550/arxiv.astro-ph/0407058	text	January 2004
Supersonic Motions of Galaxies in Clusters Faltenbacher, Andreas; Kravtsov, Andrey V.; Nagai, Daisuke arXiv https://doi.org/10.48550/arxiv.astro-ph/0408488	text	January 2004
HEALPix -- a Framework for High Resolution Discretization, and Fast Analysis of Data Distributed on the Sphere Gorski, K. M.; Hivon, E.; Banday, A. J. arXiv https://doi.org/10.48550/arxiv.astro-ph/0409513	text	January 2004
The influence of non-uniform reionization on the CMB Zahn, Oliver; Zaldarriaga, Matias; Hernquist, Lars arXiv https://doi.org/10.48550/arxiv.astro-ph/0503166	text	January 2005
The baryon fraction in hydrodynamical simulations of galaxy clusters Ettori, S.; Dolag, K.; Borgani, S. arXiv https://doi.org/10.48550/arxiv.astro-ph/0509024	text	January 2005
The baseline intracluster entropy profile from gravitational structure formation Voit, G. Mark; Kay, Scott T.; Bryan, Greg L. arXiv https://doi.org/10.48550/arxiv.astro-ph/0511252	text	January 2005
The influence of baryons on the clustering of matter and weak lensing surveys Jing, Y. P.; Zhang, Pengjie; Lin, W. P. arXiv https://doi.org/10.48550/arxiv.astro-ph/0512426	text	January 2005
The influence of baryons on the mass distribution of dark matter halos Lin, W. P.; Jing, Y. P.; Mao, S. arXiv https://doi.org/10.48550/arxiv.astro-ph/0607555	text	January 2006
Simulated X-ray galaxy clusters at the virial radius: slopes of the gas density, temperature and surface brightness profiles Roncarelli, M.; Ettori, S.; Dolag, K. arXiv https://doi.org/10.48550/arxiv.astro-ph/0609824	text	January 2006
Shape, spin and baryon fraction of clusters in the MareNostrum Universe Gottloeber, Stefan; Yepes, Gustavo arXiv https://doi.org/10.48550/arxiv.astro-ph/0703164	text	January 2007
Effects of Baryons and Dissipation on the Matter Power Spectrum Rudd, Douglas H.; Zentner, Andrew R.; Kravtsov, Andrey V. arXiv https://doi.org/10.48550/arxiv.astro-ph/0703741	text	January 2007
nIFTy galaxy cluster simulations – IV. Quantifying the influence of baryons on halo properties Cui, Weiguang; Power, Chris; Knebe, Alexander Oxford University Press https://doi.org/10.5167/uzh-129972	text	January 2016
nIFTy galaxy cluster simulations – I. Dark matter and non-radiative models Federico, Sembolini,; Gustavo, Yepes,; R., Pearce, Frazer Oxford University Press https://doi.org/10.5167/uzh-129974	text	January 2016
Precision cosmology with baryons: non-radiative hydrodynamics of galaxy groups Rabold, Manuel; Teyssier, Romain Oxford University Press https://doi.org/10.5167/uzh-139301	text	January 2017
FIRE-2 simulations: physics versus numerics in galaxy formation Hopkins, Philip F.; Wetzel, Andrew; Kereš, Dušan Oxford University Press https://doi.org/10.5167/uzh-157191	text	January 2018

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More accurate simulations with separate initial conditions for baryons and dark matter Bird, Simeon; Feng, Yu; Pedersen, Christian arXiv https://doi.org/10.48550/arxiv.2002.00015	text	January 2020
HACC Cosmological Simulations: First Data Release Heitmann, Katrin; Uram, Thomas D.; Finkel, Hal The Astrophysical Journal Supplement Series, Vol. 244, Issue 1 https://doi.org/10.3847/1538-4365/ab3724	journal	September 2019
CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST Korytov, Danila; Hearin, Andrew; Kovacs, Eve The Astrophysical Journal Supplement Series, Vol. 245, Issue 2 https://doi.org/10.3847/1538-4365/ab510c	journal	December 2019
CosmoDC2: A Synthetic Sky Catalog for Dark Energy Science with LSST Korytov, Danila; Hearin, Andrew; Kovacs, Eve arXiv https://doi.org/10.48550/arxiv.1907.06530	text	January 2019

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