Bulletin of the American Physical Society
APS April Meeting 2024
Wednesday–Saturday, April 3–6, 2024; Sacramento & Virtual
Session J05: Computational Methods I
3:45 PM–5:33 PM,
Thursday, April 4, 2024
SAFE Credit Union Convention Center
Room: Ballroom A7, Floor 2
Sponsoring
Unit:
DGRAV
Chair: Geoffrey Lovelace, California State University, Fullerton
Abstract: J05.00004 : Binary neutron star mergers using the GRHayL-based IllinoisGRMHD*
4:21 PM–4:33 PM
Presenter:
Samuel D Cupp
(University of Idaho)
Authors:
Samuel D Cupp
(University of Idaho)
Leonardo Werneck
(University of Idaho)
Terrence Pierre Jacques
(West Virginia University)
Zachariah B Etienne
(University of Idaho)
GRHayL is a modular, infrastructure-agnostic library designed from refactoring the IllinoisGRMHD code, including the enhancements developed by Werneck et al. Many elements of the code have also been streamlined and improved during the library's development. This library serves as the foundation for codes in the Einstein Toolkit (both Carpet and CarpetX) and BlackHoles@Home infrastructures. In the previous year, we presented preliminary results regarding binary neutron star (BNS) merger simulations. We now present the final BNS comparison results with the original IllinoisGRMHD code, as well as discussion of improvements over the progenitor code. Finally, we discuss ongoing work and future plans.
*Z. B. Etienne gratefully acknowledges funding support from NSF awards AST-2227080, PHY-2110352, OAC-2227105, and NASA awards ISFM-80NSSC21K1179 and TCAN-80NSSC18K1488.This research made use of the resources of the High Performance Computing Center at Idaho National Laboratory, which is supported by the Office of Nuclear Energy of the U.S. Department of Energy and the Nuclear Science User Facilities under Contract No. DE-AC07-05ID14517.
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