Tim Warburton

39 papers A 3Journal 36
YearRankTypeTitle / Venue / Authors
2025 J jnl
An Adaptive Mixed Precision and Dynamically Scaled Preconditioned Conjugate Gradient Algorithm.
CoRR
Yichen Guo, Eric de Sturler, Tim Warburton
2025 J jnl
Stopping Criteria for the Conjugate Gradient Algorithm in High-Order Finite Element Methods.
SIAM J. Sci. Comput.
Yichen Guo, Eric de Sturler, Tim Warburton
2024 J jnl
A stable decoupled perfectly matched layer for the 3D wave equation using the nodal discontinuous Galerkin method.
CoRR
Sophia Julia Feriani, Matthias Cosnefroy, Allan Peter Engsig-Karup, Tim Warburton, Finnur Pind, Cheol-Ho Jeong
2024 J jnl
Exascale Simulations of Fusion and Fission Systems.
CoRR
Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Elia Merzari, Tri Nguyen, Haomin Yuan, Patrick C. Shriwise, Stefan Kerkemeier, Andrew Davis, Aleksandr Dubas, Rupert Eardly, Rob J. Akers, Thilina Rathnayake, Tim Warburton
2024 J jnl
Massively parallel nodal discontinous Galerkin finite element method simulator for room acoustics.
Int. J. High Perform. Comput. Appl.
Anders Melander, Emil Strøm, Finnur Pind, Allan P. Engsig-Karup, Cheol-Ho Jeong, Tim Warburton, Noel Chalmers, Jan S. Hesthaven
2023 A conf
Exascale Multiphysics Nuclear Reactor Simulations for Advanced Designs.
SC
Elia Merzari, Steven P. Hamilton, Thomas M. Evans, Misun Min, Paul F. Fischer, Stefan Kerkemeier, Jun Fang, Paul K. Romano, Yu-Hsiang Lan, Malachi Phillips, Elliott Biondo, Katherine Royston, Tim Warburton, Noel Chalmers, Thilina Rathnayake
2023 J jnl
HipBone: A performance-portable graphics processing unit-accelerated C++ version of the NekBone benchmark.
Int. J. High Perform. Comput. Appl.
Noel Chalmers, Abhishek Mishra, Damon McDougall, Tim Warburton
2023 J jnl
Stopping Criteria for the Conjugate Gradient Algorithm in High-Order Finite Element Methods.
CoRR
Yichen Guo, Eric de Sturler, Tim Warburton
2022 J jnl
Entropy stable modal discontinuous Galerkin schemes and wall boundary conditions for the compressible Navier-Stokes equations.
J. Comput. Phys.
Jesse Chan, Yimin Lin, Tim Warburton
2022 J jnl
HipBone: A performance-portable GPU-accelerated C++ version of the NekBone benchmark.
CoRR
Noel Chalmers, Abhishek Mishra, Damon McDougall, Tim Warburton
2022 J jnl
NekRS, a GPU-accelerated spectral element Navier-Stokes solver.
Parallel Comput.
Paul F. Fischer, Stefan Kerkemeier, Misun Min, Yu-Hsiang Lan, Malachi Phillips, Thilina Rathnayake, Elia Merzari, Ananias Tomboulides, Ali Karakus, Noel Chalmers, Tim Warburton
2022 J jnl
On the entropy projection and the robustness of high order entropy stable discontinuous Galerkin schemes for under-resolved flows.
CoRR
Jesse Chan, Hendrik Ranocha, Andrés M. Rueda-Ramírez, Gregor Gassner, Tim Warburton
2022 A conf
Optimization of Full-Core Reactor Simulations on Summit.
SC
Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Elia Merzari, Stefan Kerkemeier, Malachi Phillips, Thilina Rathnayake, April Novak, Derek Gaston, Noel Chalmers, Tim Warburton
2021 J jnl
A Local Discontinuous Galerkin Level Set Reinitialization with Subcell Stabilization on Unstructured Meshes.
CoRR
Ali Karakus, Noel Chalmers, Tim Warburton
2021 J jnl
Efficient Exascale Discretizations: High-Order Finite Element Methods.
CoRR
Tzanio V. Kolev, Paul F. Fischer, Misun Min, Jack J. Dongarra, Jed Brown, Veselin Dobrev, Tim Warburton, Stanimire Tomov, Mark S. Shephard, Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Jean-Sylvain Camier, Noel Chalmers, Yohann Dudouit, Ali Karakus, Ian Karlin, Stefan Kerkemeier, Yu-Hsiang Lan, David S. Medina, Elia Merzari, Aleksandr Obabko, Will Pazner, Thilina Rathnayake, Cameron W. Smith, Lukas Spies, Kasia Swirydowicz, Jeremy L. Thompson, Ananias Tomboulides, Vladimir Z. Tomov
2021 J jnl
Efficient exascale discretizations: High-order finite element methods.
Int. J. High Perform. Comput. Appl.
Tzanio V. Kolev, Paul F. Fischer, Misun Min, Jack J. Dongarra, Jed Brown, Veselin Dobrev, Tim Warburton, Stanimire Tomov, Mark S. Shephard, Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Jean-Sylvain Camier, Noel Chalmers, Yohann Dudouit, Ali Karakus, Ian Karlin, Stefan Kerkemeier, Yu-Hsiang Lan, David S. Medina, Elia Merzari, Aleksandr Obabko, Will Pazner, Thilina Rathnayake, Cameron W. Smith, Lukas Spies, Kasia Swirydowicz, Jeremy L. Thompson, Ananias Tomboulides, Vladimir Z. Tomov
2021 J jnl
GPU Algorithms for Efficient Exascale Discretizations.
CoRR
Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Ryan Bleile, Jed Brown, Jean-Sylvain Camier, Robert Carson, Noel Chalmers, Veselin Dobrev, Yohann Dudouit, Paul F. Fischer, Ali Karakus, Stefan Kerkemeier, Tzanio V. Kolev, Yu-Hsiang Lan, Elia Merzari, Misun Min, Malachi Phillips, Thilina Rathnayake, Robert N. Rieben, Thomas Stitt, Ananias Tomboulides, Stanimire Tomov, Vladimir Z. Tomov, Arturo Vargas, Tim Warburton, Kenneth Weiss
2021 J jnl
GPU algorithms for Efficient Exascale Discretizations.
Parallel Comput.
Ahmad Abdelfattah, Valeria Barra, Natalie Beams, Ryan Bleile, Jed Brown, Jean-Sylvain Camier, Robert Carson, Noel Chalmers, Veselin Dobrev, Yohann Dudouit, Paul F. Fischer, Ali Karakus, Stefan Kerkemeier, Tzanio V. Kolev, Yu-Hsiang Lan, Elia Merzari, Misun Min, Malachi Phillips, Thilina Rathnayake, Robert N. Rieben, Thomas Stitt, Ananias Tomboulides, Stanimire Tomov, Vladimir Z. Tomov, Arturo Vargas, Tim Warburton, Kenneth Weiss
2021 J jnl
Initial Guesses for Sequences of Linear Systems in a GPU-Accelerated Incompressible Flow Solver.
SIAM J. Sci. Comput.
Anthony P. Austin, Noel Chalmers, Tim Warburton
2021 J jnl
NekRS, a GPU-Accelerated Spectral Element Navier-Stokes Solver.
CoRR
Paul F. Fischer, Stefan Kerkemeier, Misun Min, Yu-Hsiang Lan, Malachi Phillips, Thilina Rathnayake, Elia Merzari, Ananias Tomboulides, Ali Karakus, Noel Chalmers, Tim Warburton
2020 J jnl
Entropy stable modal discontinuous Galerkin schemes and wall boundary conditions for the compressible Navier-Stokes equations.
CoRR
Jesse Chan, Yimin Lin, Tim Warburton
2020 J jnl
Initial Guesses for Sequences of Linear Systems in a GPU-Accelerated Incompressible Flow Solver.
CoRR
Anthony P. Austin, Noel Chalmers, Tim Warburton
2020 J jnl
Portable high-order finite element kernels I: Streaming Operations.
CoRR
Noel Chalmers, Tim Warburton
2020 J jnl
Scalability of High-Performance PDE Solvers.
CoRR
Paul F. Fischer, Misun Min, Thilina Rathnayake, Som Dutta, Tzanio V. Kolev, Veselin Dobrev, Jean-Sylvain Camier, Martin Kronbichler, Tim Warburton, Kasia Swirydowicz, Jed Brown
2019 J jnl
A GPU accelerated discontinuous Galerkin incompressible flow solver.
J. Comput. Phys.
Ali Karakus, Noel Chalmers, Kasia Swirydowicz, Tim Warburton
2019 J jnl
Acceleration of tensor-product operations for high-order finite element methods.
Int. J. High Perform. Comput. Appl.
Kasia Swirydowicz, Noel Chalmers, Ali Karakus, Tim Warburton
2019 J jnl
Discontinuous Galerkin discretizations of the Boltzmann-BGK equations for nearly incompressible flows: Semi-analytic time stepping and absorbing boundary layers.
J. Comput. Phys.
Ali Karakus, Noel Chalmers, Jan S. Hesthaven, Tim Warburton
2019 J jnl
Leapfrog Time-Stepping for Hermite Methods.
J. Sci. Comput.
Arturo Vargas, Thomas M. Hagstrom, Jesse Chan, Tim Warburton
2016 J jnl
A Short Note on a Bernstein-Bezier Basis for the Pyramid.
SIAM J. Sci. Comput.
Jesse Chan, Tim Warburton
2016 J jnl
GPU accelerated spectral finite elements on all-hex meshes.
J. Comput. Phys.
Jean-François Remacle, R. Gandham, Tim Warburton
2016 J jnl
GPU performance analysis of a nodal discontinuous Galerkin method for acoustic and elastic models.
Comput. Geosci.
Axel Modave, Amik St.-Cyr, Tim Warburton
2015 J jnl
GPU accelerated spectral finite elements on all-hex meshes.
CoRR
Jean-François Remacle, R. Gandham, Tim Warburton
2015 J jnl
hp-finite element trace inequalities for the pyramid.
Comput. Math. Appl.
Jesse Chan, Tim Warburton
2013 J jnl
A Low-Storage Curvilinear Discontinuous Galerkin Method for Wave Problems.
SIAM J. Sci. Comput.
Tim Warburton
2010 A conf
Extreme-Scale AMR.
SC
Carsten Burstedde, Omar Ghattas, Michael Gurnis, Tobin Isaac, Georg Stadler, Tim Warburton, Lucas C. Wilcox
2009 J jnl
Exact Non-Reflecting Boundary Conditions on Perturbed Domains and
J. Sci. Comput.
Tommy L. Binford, David P. Nicholls, Nilima Nigam, Tim Warburton
2009 J jnl
Nodal discontinuous Galerkin methods on graphics processors.
J. Comput. Phys.
Andreas Klöckner, Tim Warburton, Jeff Bridge, Jan S. Hesthaven
2009 J jnl
The Mortar-Discontinuous Galerkin Method for the 2D Maxwell Eigenproblem.
J. Sci. Comput.
Annalisa Buffa, Ilaria Perugia, Tim Warburton
2008 J jnl
Convergence Analysis of an Adaptive Interior Penalty Discontinuous Galerkin Method.
SIAM J. Numer. Anal.
R. H. W. Hoppe, Guido Kanschat, Tim Warburton