Design and Application of DG-FEM Basis Functions for Neutron Transport on Two-Dimensional and Three-Dimensional Hexagonal Meshes

Autor: Ansar Calloo, David Labeurthre, Romain Le Tellier

Publikováno v: Journal of Nuclear Engineering, Vol 5, Iss 1, Pp 74-90 (2024)

Reactor design requires safety studies to ensure that the reactors will behave appropriately under incidental or accidental situations. Safety studies often involve multiphysics simulations where several branches of reactor physics are necessary to m

Externí odkaz: https://doaj.org/article/0ba468c689914ebd985c2bff5f943abc

Multi-dimensional Simulation of Phase Change by a 0D-2D Model Coupling via Stefan Condition

Autor: Louis Viot, Adrien Drouillet, Romain Le Tellier, Mathieu Peybernes, Raphaël Loubère

Publikováno v: Communications on Applied Mathematics and Computation
Communications on Applied Mathematics and Computation, Springer, In press

International audience; Considering phase changes associated with a high-temperature molten material cooled down from the outside, this work presents an improvement of the modelling and the numerical simulation of such processes for an application pe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f198e7e843640486b5da89de7b783b42
https://doi.org/10.1007/s42967-021-00157-y

A lumped parameter model of continuous/dispersed phases mass transfer for simulating in-vessel corium stratification transients

Autor: Romain Le Tellier

Publikováno v: Annals of Nuclear Energy. 181:109539

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::06b170ca51c8686a6633bbf90f138200
https://doi.org/10.1016/j.anucene.2022.109539

High-order Wachspress functions on convex polygons through computer algebra

Autor: David Labeurthre, Ansar Calloo, Romain Le Tellier

Publikováno v: Journal of Computational Physics. 470:111545

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::20207b0fed57a3c155539d4ff0151823
https://doi.org/10.1016/j.jcp.2022.111545

Numerical simulations of the Rayleigh-Bénard-Marangoni convections in a thin metallic layer

Autor: L. Saas, Chunhui Dang, Mathieu Peybernes, Romain Le Tellier

Publikováno v: Annals of Nuclear Energy
Annals of Nuclear Energy, Elsevier Masson, 2021, 150, pp.107848-. ⟨10.1016/j.anucene.2020.107848⟩
Annals of Nuclear Energy, 2021, 150, pp.107848-. ⟨10.1016/j.anucene.2020.107848⟩

International audience; Within the context of nuclear power safety, the In-Vessel Retention (IVR) strategy consists in sustaining the integrity of the reactor pressure vessel by External Reactor Vessel Cooling (ERVC). However, due to the ablation of

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0edccf792cf7d5beb2604d0f5029ea0b
https://hal.archives-ouvertes.fr/hal-03491217