| Issue |
EPJ Web Conf.
Volume 247, 2021
PHYSOR2020 – International Conference on Physics of Reactors: Transition to a Scalable Nuclear Future
|
|
|---|---|---|
| Article Number | 04009 | |
| Number of page(s) | 8 | |
| Section | Monte Carlo Transport | |
| DOI | https://doi.org/10.1051/epjconf/202124704009 | |
| Published online | 22 February 2021 | |
https://doi.org/10.1051/epjconf/202124704009
PRELIMINARY INVESTIGATIONS OF TRANSPORT IN HETEROGENEOUS RANDOM MEDIA
1 DEN-Service d’études des réacteurs et de mathématiques appliquées (SERMA), CEA, Université Paris-Saclay, F-91191, Gif-sur-Yvette, France
2 CEA-DIF, Bruyères-le-Châtel, 91297 Arpajon Cedex, France
coline.larmier@cea.fr
andrea.zoia@cea.fr
Published online: 22 February 2021
Random media emerge in several applications in reactor physics and safety analysis. Most often, models of stochastic media assume spatial homogeneity, whereas real-world complex materials, such as fuel chunks resulting from core degradation, typically display apparent heterogeneities. In a series of previous works, we have shown that stochastic tessellations can be successfully used in order to describe the material properties of several classes of random media. In this paper we extend these results to the case of heterogeneous random media by using Voronoi tessellations with space-dependent seed distributions, allowing for spatial gradients.
Key words: Transport / Random media / Tessellations / Heterogeneous / Monte Carlo / Voronoi
© The Authors, published by EDP Sciences, 2021
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