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- research-articleNovember 2022
Optimization of full-core reactor simulations on summit
- Misun Min,
- Yu-Hsiang Lan,
- Paul Fischer,
- Elia Merzari,
- Stefan Kerkemeier,
- Malachi Phillips,
- Thilina Rathnayake,
- April Novak,
- Derek Gaston,
- Noel Chalmers,
- Tim Warburton
SC '22: Proceedings of the International Conference on High Performance Computing, Networking, Storage and AnalysisNovember 2022, Article No.: 74, pp 1–11Nek5000/RS, a highly-performant open-source spectral element code, has recently achieved an unprecedented milestone in the simulation of nuclear reactors: the first full core computational fluid dynamics simulations of reactor cores, including pebble ...
- research-articleJanuary 2022
Performance tuning of the Helmholtz matrix-vector product kernel in the computational fluid dynamics solver Nek5000/RS for the A64FX processor
HPCAsia 2022 Workshop: International Conference on High Performance Computing in Asia-Pacific Region WorkshopsJanuary 2022, pp 49–59https://doi.org/10.1145/3503470.3503476Nek5000/RS is an open source computational fluid dynamics solver based on the spectral element method. One of the important kernel of the Nek5000/RS is called “axhelm”, which computes the Helmholtz matrix-vector product. In this paper, we have ...
