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New open-source approaches to the modeling of stellar collapse and the formation of black holes

Ott, C. D. and O'Connor, E. and Peng, F. and Reisswig, C. and Sperhake, U. and Schnetter, E. and Abdikamalov, E. and Diener, P. and Löffler, F. and Hawke, I. and Meakin, C. A. and Burrows, A. S. (2011) New open-source approaches to the modeling of stellar collapse and the formation of black holes. Astrophysics and Space Science, 336 (1). pp. 151-156. ISSN 0004-640X.

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We present new approaches to the simulation of stellar collapse, the formation of black holes, and explosive core-collapse supernova nucleosynthesis that build upon open-source codes and microphysics. We discuss the new spherically-symmetric general-relativistic (GR) collapse code GR1D that is endowed with an approximate 1.5D treatment of rotation, comes with multiple nuclear equations of state, and handles neutrinos with a multi-species leakage scheme. Results from a first set of spinning black hole formation simulations are presented. We go on to discuss the derivative code GR1D + N which is tuned for calculations of explosive nucleosynthesis and includes a NSE/non-NSE equation of state treatment, and a nuclear reaction network. We present sample results showing GR1D+N’s performance in reproducing previous results with thermal-bomb-driven explosions. Finally, we introduce the 3 + 1 GR Zelmani core collapse simulation package and present first results obtained in its application to the 3D modeling of failing core-collapse supernovae.

Item Type:Article
Related URLs:
URLURL TypeDescription ReadCube access
Ott, C. D.0000-0003-4993-2055
O'Connor, E.0000-0002-8228-796X
Sperhake, U.0000-0002-3134-7088
Schnetter, E.0000-0002-4518-9017
Burrows, A. S.0000-0002-3099-5024
Additional Information:© 2011 Springer Science+Business Media B.V. Received: 17 June 2010. Accepted: 27 November 2010. Published online: 10 December 2010. We thank K. Nomoto for providing his 1988 progenitor data and acknowledge useful conversations with W.D. Arnett, L. Dessart, M. Duez, J. Kaplan, T. Fischer, and J. Lattimer. This work is supported in part by the National Science Foundation under grant Nos. AST-0855535, OCI-0905046, OCI-0941653, and PHY-0904015. E.O.C. is supported in part through a post-graduate fellowship from the Natural Sciences and Engineering Research Council of Canada. Computations were performed on the Louisiana Optical Network Infrastructure computers under allocation loni_numrel05 and on resources of the National Energy Research Scientific Computing Center, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231.
Funding AgencyGrant Number
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Department of Energy (DOE)DE-AC02-05CH11231
Subject Keywords:Stellar collapse; Black holes; Supernovae
Issue or Number:1
Record Number:CaltechAUTHORS:20111207-141431873
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28357
Deposited By: Ruth Sustaita
Deposited On:07 Dec 2011 22:39
Last Modified:09 Mar 2020 13:19

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