High-order implicit palindromic discontinuous Galerkin method for kinetic-relaxation approximation

D Coulette, E Franck, P Helluy, M Mehrenberger… - Computers & …, 2019 - Elsevier
We construct a high order discontinuous Galerkin method for solving general hyperbolic
systems of conservation laws. The method is CFL-less, matrix-free, has the complexity of an …

[HTML][HTML] A sweeping algorithm of unstructured elements in discontinuous spectral element method for thermal radiation in irregular multidimensional geometries

J Ma, Y Sun, S Li, R Zhou - Case Studies in Thermal Engineering, 2023 - Elsevier
The discontinuous spectral element method (DSEM) coupled with an element-by-element
sweeping strategy is proposed as a solution to the radiative transfer equation (RTE) for …

Task-based parallelization of an implicit kinetic scheme

J Badwaik, M Boileau, D Coulette, E Franck… - ESAIM: Proceedings …, 2018 - esaim-proc.org
In this paper we present and implement the Palindromic Discontinuous Galerkin (PDG)
method in dimensions higher than one. The method has already been exposed and tested …

Scalable asynchronous many-task runtime solutions to globally coupled problems

AP Humphrey - 2019 - search.proquest.com
Thermal radiation is an important physical process and a key mechanism in a class of
challenging engineering and research problems. The principal exascale-candidate …

Task-based programming on emerging parallel architectures for finite-differences seismic numerical kernel

S Moustafa, W Kirschenmann, F Dupros… - Euro-Par 2018: Parallel …, 2018 - Springer
In recent years, heterogeneous hardware have generalized in almost all supercomputer
nodes, requiring a profound shift on the way numerical applications are implemented. This …

Palindromic discontinuous Galerkin method for kinetic equations with stiff relaxation

D Coulette, E Franck, P Helluy, M Mehrenberger… - arXiv preprint arXiv …, 2016 - arxiv.org
We present a high order scheme for approximating kinetic equations with stiff relaxation. The
objective is to provide efficient methods for solving the underlying system of conservation …

Jsnt-s: A parallel 3d discrete ordinates radiation transport code on structured mesh

T Cheng, Z Mo, C Yang, L Wen… - International …, 2018 - asmedigitalcollection.asme.org
To address the performance and programming challenges from the constantly evolving
computer architecture in parallel discrete ordinates method, this paper presents our continue …

Experimenting task-based runtimes on a legacy Computational Fluid Dynamics code with unstructured meshes

E Jeannot, Y Fournier, B Lorendeau - Computers & Fluids, 2018 - Elsevier
Advances in high performance computing hardware systems lead to higher levels of
parallelism and optimizations in scientific applications and more specifically in …

Efficient sweep kernels on shared-memory architectures for the discrete ordinates neutron transport equation on Cartesian and hexagonal geometries

G Suau, A Calloo, R Baron, R Le Tellier… - EPJ Web of …, 2024 - epj-conferences.org
This paper describes the implementation of DONUT, a small multi-group S N-DG transport
solver that aims at providing efficient and portable sweep kernels on shared-memory …

Parallel Discontinuous Finite Element SN Solver in Cartesian and Hexagonal Geometries for the Boltzmann Transport Equation in DRAGONS5

AA Calloo - 2022 - publications.polymtl.ca
Cette thèse avait comme but de départ le développement et l'implémentation d'un solveur
rapide d'ordonnées discrètes, dit SN, pour les Réacteurs à Neutrons Rapides (RNRs) dans …