Abstract
Two benchmark problems for linear radiation transport and derived from the literature are presented in detail and several quantities of interest are defined. High-resolution simulations are computed using standard, robust numerical methods and implemented using HPC resources. The goal of these simulations is to provide reference solutions for new discretization approaches, to aid in the development of multi-fidelity uncertainty quantification and optimization algorithms, to provide data for training surrogate models. The code used to perform the simulations and post-process the data is publicly available, as is the raw data that is used to generate the results presented in the paper.
| Original language | English |
|---|---|
| Pages (from-to) | 409-435 |
| Number of pages | 27 |
| Journal | Journal of Computational and Theoretical Transport |
| Volume | 54 |
| Issue number | 6-7 |
| DOIs | |
| State | Published - 2025 |
Funding
This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Advanced Scientific Computing Research, as part of their Applied Mathematics Research Program. The work was performed at the Oak Ridge National Laboratory, which is managed by UT-Battelle, LLC under Contract No. De-AC05-00OR22725. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for the United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan). This research used resources of the Compute and Data Environment for Science (CADES) at the Oak Ridge National Laboratory, which is supported by the Office of Science of the U.S. Department of Energy under Contract No. DE-AC05-00OR22725”. Steffen Schotthöfer developed and designed the KiT-RT and CharmKiT simulation code, drafted the manuscript and designed the test-cases. Cory D. Hauck drafted the manuscript and designed the test-cases.
Keywords
- Hohlraum
- Lattice
- Linear radiation transport
- reference solutions
- simulation
- test-case descriptions
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