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08/04/2023
Uncertainty Estimation and Propagation in Accelerated MRI Reconstruction
MRI reconstruction techniques based on deep learning have led to unprece...
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07/03/2023
First Steps towards a Runtime Analysis of Neuroevolution
We consider a simple setting in neuroevolution where an evolutionary alg...
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10/06/2022
Optimal Chebyshev Smoothers and One-sided V-cycles
The solution to the Poisson equation arising from the spectral element d...
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09/30/2022
Towards Exascale for Wind Energy Simulations
We examine large-eddy-simulation modeling approaches and computational p...
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10/14/2021
Tuning Spectral Element Preconditioners for Parallel Scalability on GPUs
The Poisson pressure solve resulting from the spectral element discretiz...
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09/10/2021
GPU Algorithms for Efficient Exascale Discretizations
In this paper we describe the research and development activities in the...
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09/10/2021
Efficient Exascale Discretizations: High-Order Finite Element Methods
Efficient exploitation of exascale architectures requires rethinking of ...
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06/01/2021
All-Hex Meshing Strategies For Densely Packed Spheres
We develop an all-hex meshing strategy for the interstitial space in bed...
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04/12/2021
NekRS, a GPU-Accelerated Spectral Element Navier-Stokes Solver
The development of NekRS, a GPU-oriented thermal-fluids simulation code ...
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09/30/2020
Stability analysis of a singlerate and multirate predictor-corrector scheme for overlapping grids
We use matrix stability analysis for a singlerate and multirate predicto...
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04/14/2020
Scalability of High-Performance PDE Solvers
Performance tests and analyses are critical to effective HPC software de...
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02/29/2020
Multirate Timestepping for the Incompressible Navier-Stokes Equations in Overlapping Grids
We develop a multirate timestepper for semi-implicit solutions of the un...
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11/12/2018
Nonconforming Schwarz-Spectral Element Methods For Incompressible Flow
We present scalable implementations of spectral-element-based Schwarz ov...
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11/25/2017