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AtOMC: A Port of OpenMC for Atomic transport and Plasma Interaction

Authors
Affiliations
Princeton Plasma Physics Organization
Argonne National Laboratory
Princeton Plasma Physics Laboratory

Modern tooling is demanded for predicting the transport and reaction characteristics of atoms and molecules, especially in the context of magnetic confinement fusion. DEGAS2 and EIRENE are the most common and capable tools currently in use, and share many fundamental similarities with the OpenMC framework. OpenMC is an open source Monte Carlo transport solver that was primarily developed for neutron and photon transport. We have demonstrated that OpenMC is suitable for atomic transport calculations and have developed a version with the appropriate reactions Wilkie et al. (2024). The relative error between the models is small, and the performance of OpenMC is at least comparable to DEGAS2. This is the case even without taking advantage of heterogeneous computing architectures, which is only one of several remarkable new capabilities that this demonstration heralds.

Repository

github.com/gjwilkie/openmc

References
  1. Wilkie, G. J., Romano, P. K., & Churchill, R. M. (2024). Demonstration of OpenMC as a framework for atomic transport and plasma interaction. arXiv. 10.48550/ARXIV.2411.12937
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