FIRE-2 simulations: physics versus numerics in galaxy formation

PF Hopkins, A Wetzel, D Kereš… - Monthly Notices of …, 2018 - academic.oup.com
ABSTRACT The Feedback In Realistic Environments (FIRE) project explores feedback in
cosmological galaxy formation simulations. Previous FIRE simulations used an identical …

A new class of accurate, mesh-free hydrodynamic simulation methods

PF Hopkins - Monthly Notices of the Royal Astronomical Society, 2015 - academic.oup.com
We present two new Lagrangian methods for hydrodynamics, in a systematic comparison
with moving-mesh, smoothed particle hydrodynamics (SPH), and stationary (non-moving) …

How to model supernovae in simulations of star and galaxy formation

PF Hopkins, A Wetzel, D Kereš… - Monthly Notices of …, 2018 - academic.oup.com
We study the implementation of mechanical feedback from supernovae (SNe) and stellar
mass loss in galaxy simulations, within the Feedback In Realistic Environments (FIRE) …

Numerical relativity in spherical coordinates: A new dynamical spacetime and general relativistic MHD evolution framework for the Einstein Toolkit

V Mewes, Y Zlochower, M Campanelli, TW Baumgarte… - Physical Review D, 2020 - APS
We present SphericalNR, a new framework for the publicly available Einstein Toolkit that
numerically solves the Einstein field equations coupled to the equations of general …

White dwarf mergers on adaptive meshes. i. methodology and code verification

MP Katz, M Zingale, AC Calder, FD Swesty… - The Astrophysical …, 2016 - iopscience.iop.org
ABSTRACT The Type Ia supernova (SN Ia) progenitor problem is one of the most perplexing
and exciting problems in astrophysics, requiring detailed numerical modeling to complement …

Harnessing billions of tasks for a scalable portable hydrodynamic simulation of the merger of two stars

T Heller, BA Lelbach, KA Huck… - … Journal of High …, 2019 - journals.sagepub.com
We present a highly scalable demonstration of a portable asynchronous many-task
programming model and runtime system applied to a grid-based adaptive mesh refinement …

Handing off the outcome of binary neutron star mergers for accurate and long-term postmerger simulations

FG Lopez Armengol, ZB Etienne, SC Noble, BJ Kelly… - Physical Review D, 2022 - APS
We perform binary neutron star (BNS) merger simulations in full dynamical general relativity
with illinoisgrmhd, on a Cartesian grid with adaptive-mesh refinement. After the remnant …

[PDF][PDF] Introducing Octo-tiger/HPX: Simulating interacting binaries with adaptive mesh refinement and the fast multipole method

DC Marcello, K Kadam, GC Clayton, J Frank… - Proceedings of the …, 2016 - pos.sissa.it
Here we present Octo-tiger/HPX, a computer code for simulating self-gravitating
astrophysical fluids. Octo-tiger/HPX is designed to address issues particular to the self …

[图书][B] White Dwarf Mergers on Adaptive Meshes

MP Katz - 2016 - search.proquest.com
The mergers of binary white dwarf systems are potential progenitors of astrophysical
explosions such as Type Ia supernovae. These white dwarfs can merge either by orbital …