Paul F. Fischer

Publication Activity (10 Years)

Years Active: 1990-2024
Publications (10 Years): 26

Top Topics

Scientific Computing

Intracranial Aneurysms

Computational Fluid Dynamics

Top Venues

Int. J. High Perform. Comput. Appl.

Publications

Misun Min, Michael J. Brazell, Ananias Tomboulides, Matthew J. Churchfield, Paul F. Fischer, Michael A. Sprague
Towards exascale for wind energy simulations. Int. J. High Perform. Comput. Appl. 38 (4) (2024)
Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Thilina Rathnayake, John Holmen
Nek5000/RS Performance on Advanced GPU Architectures. CoRR (2023)
Victor A. Mateevitsi, Mathis Bode, Nicola J. Ferrier, Paul F. Fischer, Jens Henrik Göbbert, Joseph A. Insley, Yu-Hsiang Lan, Misun Min, Michael E. Papka, Saumil Patel, Silvio Rizzi, Jonathan Windgassen
Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI. SC Workshops (2023)
Elia Merzari, Steven P. Hamilton, Thomas M. Evans, Misun Min, Paul F. Fischer, Stefan Kerkemeier, Jun Fang, Paul Romano, Yu-Hsiang Lan, Malachi Phillips, Elliott Biondo, Katherine Royston, Tim Warburton, Noel Chalmers, Thilina Rathnayake
Exascale Multiphysics Nuclear Reactor Simulations for Advanced Designs. SC (2023)
Victor A. Mateevitsi, Mathis Bode, Nicola J. Ferrier, Paul F. Fischer, Jens Henrik Göbbert, Joseph A. Insley, Yu-Hsiang Lan, Misun Min, Michael E. Papka, Saumil Patel, Silvio Rizzi, Jonathan Windgassen
Scaling Computational Fluid Dynamics: In Situ Visualization of NekRS using SENSEI. CoRR (2023)
Malachi Phillips, Stefan Kerkemeier, Paul F. Fischer
Tuning Spectral Element Preconditioners for Parallel Scalability on GPUs. PPSC (2022)
Misun Min, Yu-Hsiang Lan, Paul F. Fischer, Elia Merzari, Stefan Kerkemeier, Malachi Phillips, Thilina Rathnayake, April Novak, Derek Gaston, Noel Chalmers, Tim Warburton
Optimization of Full-Core Reactor Simulations on Summit. SC (2022)
Malachi Phillips, Paul F. Fischer
Optimal Chebyshev Smoothers and One-sided V-cycles. CoRR (2022)
Paul F. Fischer, Stefan Kerkemeier, Misun Min, Yu-Hsiang Lan, Malachi Phillips, Thilina Rathnayake, Elia Merzari, Ananias Tomboulides, Ali Karakus, Noel Chalmers, Tim Warburton
NekRS, a GPU-accelerated spectral element Navier-Stokes solver. Parallel Comput. 114 (2022)
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
Efficient exascale discretizations: High-order finite element methods. Int. J. High Perform. Comput. Appl. 35 (6) (2021)
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
GPU algorithms for Efficient Exascale Discretizations. Parallel Comput. 108 (2021)
Paul F. Fischer, Misun Min, Thilina Rathnayake, Som Dutta, Tzanio V. Kolev, Veselin Dobrev, Jean-Sylvain Camier, Martin Kronbichler, Timothy C. Warburton, Kasia Swirydowicz, Jed Brown
Scalability of high-performance PDE solvers. Int. J. High Perform. Comput. Appl. 34 (5) (2020)
Pedro D. Bello-Maldonado, Paul F. Fischer
Scalable Low-Order Finite Element Preconditioners for High-Order Spectral Element Poisson Solvers. SIAM J. Sci. Comput. 41 (5) (2019)
Saumil Patel, Paul F. Fischer, Misun Min, Ananias Tomboulides
A Characteristic-Based Spectral Element Method for Moving-Domain Problems. J. Sci. Comput. 79 (1) (2019)
Evelyn Otero, Jing Gong, Misun Min, Paul F. Fischer, Philipp Schlatter, Erwin Laure
OpenACC acceleration for the PN-PN-2 algorithm in Nek5000. J. Parallel Distributed Comput. 132 (2019)
Nicolas Offermans, Oana Marin, Michel Schanen, Jing Gong, Paul F. Fischer, Philipp Schlatter, Aleks Obabko, Adam Peplinski, Maxwell Hutchinson, Elia Merzari
On the Strong Scaling of the Spectral Element Solver Nek5000 on Petascale Systems. CoRR (2017)
Ken Raffenetti, Abdelhalim Amer, Lena Oden, Charles Archer, Wesley Bland, Hajime Fujita, Yanfei Guo, Tomislav Janjusic, Dmitry Durnov, Michael Blocksome, Min Si, Sangmin Seo, Akhil Langer, Gengbin Zheng, Masamichi Takagi, Paul K. Coffman, Jithin Jose, Sayantan Sur, Alexander Sannikov, Sergey Oblomov, Michael Chuvelev, Masayuki Hatanaka, Xin Zhao, Paul F. Fischer, Thilina Rathnayake, Matthew Otten, Misun Min, Pavan Balaji
Why is MPI so slow?: analyzing the fundamental limits in implementing MPI-3.1. SC (2017)
Elia Merzari, Aleksandr Obabko, Paul F. Fischer
Spectral Element Methods for Liquid Metal Reactors Applications. CoRR (2017)
Vakhtang Makarashvili, Elia Merzari, Aleks Obabko, Andrew R. Siegel, Paul F. Fischer
A performance analysis of ensemble averaging for high fidelity turbulence simulations at the strong scaling limit. Comput. Phys. Commun. 219 (2017)
Matthew Otten, Jing Gong, Azamat Mametjanov, Aaron Vose, John M. Levesque, Paul F. Fischer, Misun Min
An MPI/OpenACC implementation of a high-order electromagnetics solver with GPUDirect communication. Int. J. High Perform. Comput. Appl. 30 (3) (2016)
Nicolas Offermans, Oana Marin, Michel Schanen, Jing Gong, Paul F. Fischer, Philipp Schlatter
On the Strong Scaling of the Spectral Element Solver Nek5000 on Petascale Systems. EASC (2016)
Brandon E. Merrill, Yulia T. Peet, Paul F. Fischer, James W. Lottes
A spectrally accurate method for overlapping grid solution of incompressible Navier-Stokes equations. J. Comput. Phys. 307 (2016)
Jing Gong, Stefano Markidis, Erwin Laure, Matthew Otten, Paul F. Fischer, Misun Min
Nekbone performance on GPUs with OpenACC and CUDA Fortran implementations. J. Supercomput. 72 (11) (2016)
Adam Peplinski, Paul F. Fischer, Philipp Schlatter
Parallel performance of h-type Adaptive Mesh Refinement for Nek5000. EASC (2016)
Ilya Ivanov, Jing Gong, Dana Akhmetova, Ivy Bo Peng, Stefano Markidis, Erwin Laure, Rui Machado, Mirko Rahn, Valeria Bartsch, Alistair Hart, Paul F. Fischer
Evaluation of Parallel Communication Models in Nekbone, a Nek5000 Mini-Application. CLUSTER (2015)
Stefano Markidis, Jing Gong, Michael Schliephake, Erwin Laure, Alistair Hart, David Henty, Katherine Heisey, Paul F. Fischer
OpenACC acceleration of the Nek5000 spectral element code. Int. J. High Perform. Comput. Appl. 29 (3) (2015)
Jing Gong, Stefano Markidis, Michael Schliephake, Erwin Laure, Dan S. Henningson, Philipp Schlatter, Adam Peplinski, Alistair Hart, Jens Doleschal, David Henty, Paul F. Fischer
Nek5000 with OpenACC. EASC (2014)
Kalu Chibueze Uga, Misun Min, Taehun Lee, Paul F. Fischer
Spectral-element discontinuous Galerkin lattice Boltzmann simulation of flow past two cylinders in tandem with an exponential time integrator. Comput. Math. Appl. 65 (2) (2013)
Johan Malm, Philipp Schlatter, Paul F. Fischer, Dan S. Henningson
Stabilization of the Spectral Element Method in Convection Dominated Flows by Recovery of Skew-Symmetry. J. Sci. Comput. 57 (2) (2013)
Misun Min, Paul F. Fischer
An Efficient High-Order Time Integration Method for Spectral-Element Discontinuous Galerkin Simulations in Electromagnetics. J. Sci. Comput. 57 (3) (2013)
Yulia T. Peet, Paul F. Fischer
Stability Analysis of Interface Temporal Discretization in Grid Overlapping Methods. SIAM J. Numer. Anal. 50 (6) (2012)
Luigi C. Berselli, Paul F. Fischer, Traian Iliescu, Tamay M. Özgökmen
Horizontal Large Eddy Simulation of Stratified Mixing in a Lock-Exchange System. J. Sci. Comput. 49 (1) (2011)
Jaewook Shin, Mary W. Hall, Jacqueline Chame, Chun Chen, Paul F. Fischer, Paul D. Hovland
Speeding up Nek5000 with autotuning and specialization. ICS (2010)
Jinqiao Duan, Paul F. Fischer, Traian Iliescu, Tamay M. Özgökmen
Bridging the Boussinesq and primitive equations through spatio-temporal filtering. Appl. Math. Lett. 23 (4) (2010)
Dimitrios Giannakis, Paul F. Fischer, Robert Rosner
A spectral Galerkin method for the coupled Orr-Sommerfeld and induction equations for free-surface MHD. J. Comput. Phys. 228 (4) (2009)
Khosro Shahbazi, Paul F. Fischer, C. Ross Ethier
A high-order discontinuous Galerkin method for the unsteady incompressible Navier-Stokes equations. J. Comput. Phys. 222 (1) (2007)
Misun Min, Tae-Woo Lee, Paul F. Fischer, Stephen K. Gray
Fourier spectral simulations and Gegenbauer reconstructions for electromagnetic waves in the presence of a metal nanoparticle. J. Comput. Phys. 213 (2) (2006)
Roland Bouffanais, Michel O. Deville, Paul F. Fischer, Emmanuel Leriche, Daniel Weill
Large-Eddy Simulation of the Lid-Driven Cubic Cavity Flow by the Spectral Element Method. J. Sci. Comput. 27 (1-3) (2006)
Duane Rosenberg, Aimé Fournier, Paul F. Fischer, Annick Pouquet
Geophysical-astrophysical spectral-element adaptive refinement (GASpAR): Object-oriented h-adaptive fluid dynamics simulation. J. Comput. Phys. 215 (1) (2006)
James W. Lottes, Paul F. Fischer
Hybrid Multigrid/Schwarz Algorithms for the Spectral Element Method. J. Sci. Comput. 24 (1) (2005)
Chaman Singh Verma, Paul F. Fischer, Seung E. Lee, Francis Loth
An All-Hex Meshing Strategy for Bifurcation Geometries in Vascular Flow Simulation. IMR (2005)
Stephen J. Thomas, John M. Dennis, Henry M. Tufo, Paul F. Fischer
A Schwarz Preconditioner for the Cubed-Sphere. SIAM J. Sci. Comput. 25 (2) (2003)
Paul F. Fischer, Gerald W. Kruse, Francis Loth
Spectral Element Methods for Transitional Flows in Complex Geometries. J. Sci. Comput. 17 (1-4) (2002)
Paul F. Fischer, Franco P. Preparata, John E. Savage
Generalized scans and tridiagonal systems. Theor. Comput. Sci. 255 (1-2) (2001)
Henry M. Tufo, Paul F. Fischer
Fast Parallel Direct Solvers for Coarse Grid Problems. J. Parallel Distributed Comput. 61 (2) (2001)
Paul F. Fischer, Sigal Gottlieb
\underline b Using a Modified Conjugate Gradient Method Based on Roots of A. J. Sci. Comput. 15 (4) (2000)
Henry M. Tufo, Paul F. Fischer, Michael E. Papka, Kristopher J. Blom
Numerical Simulation and Immersive Visualization of Hairpin Vortices. SC (1999)
Henry M. Tufo, Paul F. Fischer
Terascale Spectral Element Algorithms and Implementations. SC (1999)
Sigal Gottlieb, Paul F. Fischer
Modified Conjugate Gradient Method for the Solution of Ax=b. J. Sci. Comput. 13 (2) (1998)
Paul F. Fischer, Franco P. Preparata, John E. Savage
Generalized Scans and Tri-Diagonal Systems. STACS (1995)
George Anagnostou, Yvon Maday, Anthony T. Patera, Paul F. Fischer, Einar M. Rønquist
Numerical simulation of incompressible fluid flows. Concurr. Pract. Exp. 3 (6) (1991)
George Anagnostou, Paul F. Fischer, Yvon Maday, Einar M. Rønquist, Anthony T. Patera
Numerical Simulation of Incompressible Fluid Flows. Supercomputer (1990)