Multiphysics simulations: Challenges and opportunities
We consider multiphysics applications from algorithmic and architectural perspectives,
where “algorithmic” includes both mathematical analysis and computational complexity, and …
where “algorithmic” includes both mathematical analysis and computational complexity, and …
A survey of high level frameworks in block-structured adaptive mesh refinement packages
Over the last decade block-structured adaptive mesh refinement (SAMR) has found
increasing use in large, publicly available codes and frameworks. SAMR frameworks have …
increasing use in large, publicly available codes and frameworks. SAMR frameworks have …
Ultra-short pulse laser acceleration of protons to 80 MeV from cryogenic hydrogen jets tailored to near-critical density
M Rehwald, S Assenbaum, C Bernert, FE Brack… - Nature …, 2023 - nature.com
Laser plasma-based particle accelerators attract great interest in fields where conventional
accelerators reach limits based on size, cost or beam parameters. Despite the fact that …
accelerators reach limits based on size, cost or beam parameters. Despite the fact that …
Exploring fundamentally three-dimensional phenomena in high-fidelity simulations of core-collapse supernovae
EP O'Connor, SM Couch - The Astrophysical Journal, 2018 - iopscience.iop.org
The details of the physical mechanism that drives core-collapse supernovae (CCSNe)
remain uncertain. While there is an emerging consensus on the qualitative outcome of …
remain uncertain. While there is an emerging consensus on the qualitative outcome of …
Red or blue? A potential kilonova imprint of the delay until black hole formation following a neutron star merger
BD Metzger, R Fernández - Monthly Notices of the Royal …, 2014 - academic.oup.com
Mergers of binary neutron stars usually result in the formation of a hypermassive neutron
star (HMNS). Whether and when this remnant collapses to a black hole (BH) depends …
star (HMNS). Whether and when this remnant collapses to a black hole (BH) depends …
Kilonova light curves from the disc wind outflows of compact object mergers
D Kasen, R Fernández… - Monthly Notices of the …, 2015 - academic.oup.com
We study the radioactively powered transients produced by accretion disc winds following a
compact object merger. Based on the outflows found in two-dimensional hydrodynamical …
compact object merger. Based on the outflows found in two-dimensional hydrodynamical …
Sub-Chandrasekhar-mass white dwarf detonations revisited
KJ Shen, D Kasen, BJ Miles… - The Astrophysical …, 2018 - iopscience.iop.org
The detonation of a sub-Chandrasekhar-mass white dwarf (WD) has emerged as one of the
most promising Type Ia supernova (SN Ia) progenitor scenarios. Recent studies have …
most promising Type Ia supernova (SN Ia) progenitor scenarios. Recent studies have …
SILCC VI–Multiphase ISM structure, stellar clustering, and outflows with supernovae, stellar winds, ionizing radiation, and cosmic rays
TE Rathjen, T Naab, P Girichidis… - Monthly Notices of …, 2021 - academic.oup.com
We present simulations of the multiphase interstellar medium (ISM) at solar neighbourhood
conditions including thermal and non-thermal ISM processes, star cluster formation, and …
conditions including thermal and non-thermal ISM processes, star cluster formation, and …
Fast flavor instability in hypermassive neutron star disk outflows
R Fernández, S Richers, N Mulyk, S Fahlman - Physical Review D, 2022 - APS
We examine the effect of neutrino flavor transformation by the fast flavor instability (FFI) on
long-term mass ejection from accretion disks formed after neutron star mergers. Neutrino …
long-term mass ejection from accretion disks formed after neutron star mergers. Neutrino …
Signatures of hypermassive neutron star lifetimes on r-process nucleosynthesis in the disc ejecta from neutron star mergers
We investigate the nucleosynthesis of heavy elements in the winds ejected by accretion
discs formed in neutron star mergers. We compute the element formation in disc outflows …
discs formed in neutron star mergers. We compute the element formation in disc outflows …