IDEFIX: A versatile performance-portable Godunov code for astrophysical flows

GRJ Lesur, S Baghdadi, G Wafflard-Fernandez… - … & Astrophysics, 2023 - aanda.org
… We present IDEFIX, a new code for astrophysical flows that relies on the KOKKOS meta-…
on a large variety of astrophysical and fluid dynamics applications. Key words: hydrodynamics / …

Modeling the secular evolution of embedded protoplanetary discs

J Mauxion, G Lesur, S Maret - arXiv preprint arXiv:2403.16753, 2024 - aanda.org
… We used the GPU accelerated code Idefix to perform a 3D, barotropic, non ideal
magnetohydrodynamic (MHD) secular core collapse simulation that covers the system evolution from …

Spiral-wave-driven accretion in quiescent dwarf nov {\ae}

M Bossche, G Lesur, G Dubus - arXiv preprint arXiv:2304.13773, 2023 - arxiv.org
… The simulations presented in this paper all use the Idefix code, which is a finite-volume
conservative Godunov grid-based code with a structure similar to Pluto (Mignone et al. 2007). …

Spiral-wave-driven accretion in quiescent dwarf novæ

M Van den Bossche, G Lesur, G Dubus - Astronomy & Astrophysics, 2023 - aanda.org
… We used the new GPU-accelerated finite-volume code IDEFIX to produce global
hydrodynamics 2D simulations of the accretion discs of DN systems with a sufficiently fine spatial …

IDEFIX: Astrophysical fluid dynamics

GRJ Lesur, S Baghdadi… - Astrophysics …, 2023 - ui.adsabs.harvard.edu
… Based on a Godunov finite-volume method, this astrophysical flows code includes a wide …
address complex astrophysical and fluid dynamics applications. Written in C++, Idefix relies on …

[PDF][PDF] SIMULATION ON AMR GRIDS AT THE EXASCALE ERA: THE DYABLO CODE

M Béthermin, K Baillié, N Lagarde, J Malzac… - 2024 - sf2a.eu
astrophysics and to have reached a production stage for the simulation of MHD astrophysical
fluids … at CEA for the simulation of astrophysical fluids on AMR grids using Kokkos. The next …

Buoyancy response of a disc to an embedded planet: a cross-code comparison at high resolution

A Ziampras, SJ Paardekooper… - Monthly Notices of the …, 2023 - academic.oup.com
… pluto/idefix and fargo3D using 3D, inviscid, adiabatic numerical simulations of planet–disc
interaction that feature the buoyancy response of the disc, and show that pluto/idefix struggle …

Non-linear saturation and energy transport in global simulations of magneto-thermal turbulence in the stratified intracluster medium

JM Kempf, F Rincon - arXiv preprint arXiv:2411.16242, 2024 - aanda.org
… finite-volume Godunov-type code IDEFIX and using Braginskii magnetohydrodynamics. We
… as such) in the context of astrophysical stratified fluid dynamics, such as in studies of galaxy …

The Kratos Framework for Hetrogeneous Astrophysical Simulations: Fundamental Infrastructures and Hydrodynamics

L Wang - arXiv preprint arXiv:2501.02317, 2025 - arxiv.org
… (2023) have introduced IDEFIX as a Kokkos-based adaptation of the PLUTO code. Several
other astrophysical fluid dynamics codes also utilize GPU-accelerated computing through …

Advances in radiation-hydrodynamics and atomic physics simulation for current and new neutron-less targets

G Velarde, E Mínguez, E Bravo - 2003 - inis.iaea.org
fluid dynamic and multigroup radiation transport. We are designing, by using also ARWEN,
a target for laboratory simulation of astrophysical … we use the dicenter model (Idefix code[5]) …