Speaker
Description
The SOLPS-ITER code suite [1,2] is one of the main tools used worldwide for tokamak edge modelling. Launched in 2015 and maintained and distributed by the ITER Organization (IO), it was recently extended to a “Wide Grids” version [3], allowing the plasma solver computational domain to extend to the full vacuum vessel and provide a much more detailed description of the interactions between the SOL plasma and the first wall. It remains the main workhorse for ITER design and operation planning activities, in addition to its use in the ITER Member States for simulating existing experiments and predicting future device performance.
To accompany the development of the private fusion ventures landscape, the IO has triggered a large effort to make as many of its software and knowledge sources publicly available as possible. Among these, of course, is SOLPS-ITER. It is thus now available as open-source software, on GitHub, along with its underlying components and some library dependencies that were not previously available. These include the B2.5 plasma fluid solver, the Eirene Monte-Carlo neutral kinetic solver [4], the Carre grid generator [5], the Uinp case build-up tool, and many analysis and post-processing visualization tools, along with the support libraries GR for graphics and MSCL for input data file handling.
This presentation will provide details on what features are available as part of the open-source distribution, how to make the best use of them and how to contribute and participate in further development of the code. The open-source code is benchmarked against an ITER throughput scan and other reference cases from the literature.
[1] S. Wiesen et al., J. Nucl. Mater. 463 (2015) 480.
[2] X. Bonnin et al., Plasma Fusion Res. 11 (2016) 1403102.
[3] W. Dekeyser et al., Nuclear Materials and Energy 27 (2021) 100999.
[4] D. Reiter et al., Fus. Sci. Technol. 47 (2005) 172.
[5] R. Marchand et al., Computer Phys. Comm. 96 (1996) 232