Challenges of high-fidelity virtual reactor for exascale computing and research progress of China Virtual Reactor

X Lu, Y Li, D Chen, G Chu, A Wang - Nuclear Engineering and Design, 2023 - Elsevier
The virtual reactor is a sophisticated software system deployed on supercomputers to
simulate physics process or predict component behaviors inside real reactors. It highly relies …

[HTML][HTML] Neko: A modern, portable, and scalable framework for high-fidelity computational fluid dynamics

N Jansson, M Karp, A Podobas, S Markidis… - Computers & Fluids, 2024 - Elsevier
Computational fluid dynamics (CFD), in particular applied to turbulent flows, is a research
area with great engineering and fundamental physical interest. However, already at …

Scalable multi-physics for fusion reactors with AURORA

H Brooks, A Davis - Plasma Physics and Controlled Fusion, 2022 - iopscience.iop.org
To support the design of fusion reactors for energy production, there is an urgent need to
develop multi-physics software tools capable of modelling critical tokamak components as a …

A hybrid domain overlapping method for coupling System Thermal Hydraulics and CFD codes

A Huxford, VC Leite, E Merzari, L Zou, V Petrov… - Annals of Nuclear …, 2023 - Elsevier
A hybrid multiscale coupling methodology based on a domain overlapping approach has
been developed for coupling System Thermal Hydraulics (STH) and Computational Fluid …

Nek5000 developments in support of industry and the NRC

This year, the Nuclear Energy Advanced Modeling Simulation program (NEAMS) thermal-
hydraulics verification and validation (V&V) work has focused in three areas of Nek5000 …

Challenges in high-fidelity thermal–hydraulic simulation of SFR cores: Insights and PACA-S4FR solutions

L Dong, X Miao, X Meng, Y Li, C Dai, J Sha… - Nuclear Engineering and …, 2024 - Elsevier
Numerical simulations in studying thermal–hydraulic behavior in sodium-cooled fast
reactors (SFR) have gained attention for their safety and cost advantages. While low-fidelity …

Verification and Validation of Spectral Element Code for Supercritical CO2 Flow in Vertical Heated Tubes

H Yuan, T Nguyen, E Merzari, D Shaver… - Nuclear …, 2024 - Taylor & Francis
The investigation of heat transfer in supercritical CO2 (sCO2) has garnered considerable
attention in recent decades, given sCO2's potential as a promising working fluid for …

Validation of a moderate Reynolds number channel in Neko

S Dai - 2023 - diva-portal.org
Neko is a portable framework for high-order spectral element flow simulations [1]. Originally
from Nek5000, Neko not only inherited its numerical stability and wellperformance, but also …

The Verification, Validation and Application of a Hybrid Domain Overlapping Coupling between System Thermal Hydraulics and Computational Fluid Dynamics Codes

A Huxford - 2024 - deepblue.lib.umich.edu
One important problem in nuclear reactor safety analysis is how to compute the evolution of
accident events and accurately estimate reactor safety margins. Currently, regulatory …

Towards Reduced Order Modeling of Multiphysics Analysis of Molten Salt Reactors

C Emler - 2024 - etda.libraries.psu.edu
Molten Salt Reactors (MSRs) present significant modeling challenges due to the inherent
coupling between neutron transport and thermal-hydraulics, stemming from the use of a …