Works (5)

Updated: July 1st, 2024 07:58

2024 journal article

Clustering and uncertainty analysis to improve the machine learning-based predictions of SAFARI-1 control follower assembly axial neutron flux profiles

ANNALS OF NUCLEAR ENERGY, 206.

By: L. Moloko n, P. Bokov n, X. Wu n & K. Ivanov n

author keywords: Deep Neural Networks; Uncertainty Quantification; Monte Carlo Dropout; Clustering analysis; Gaussian Process
Sources: Web Of Science, ORCID, NC State University Libraries
Added: June 1, 2024

2023 journal article

Prediction and uncertainty quantification of SAFARI-1 axial neutron flux profiles with neural networks

ANNALS OF NUCLEAR ENERGY, 188.

By: L. Moloko n, P. Bokov n, X. Wu n & K. Ivanov n

author keywords: Uncertainty quantification; Deep neural networks; Bayesian Neural Networks; Monte Carlo dropout
TL;DR: Deep Neural Networks are used to predict the assembly axial neutron flux profiles in the SAFARI-1 research reactor with quantified uncertainties in the ANN predictions and extrapolation to cycles not used in the training process, indicating good prediction and generalization capability. (via Semantic Scholar)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: March 23, 2023

2022 article

A Multigroup Homogeneous Flux Reconstruction Method Based on the ANOVA-HDMR Decomposition

Bokov, P. M., Botes, D., Prinsloo, R. H., & Tomasevic, D. I. (2022, September 11). NUCLEAR SCIENCE AND ENGINEERING.

By: P. Bokov n, D. Botes*, R. Prinsloo* & D. Tomasevic*

author keywords: Flux reconstruction; higher-order nodal method; transverse-integrated nodal methods; ANOVA-HDMR; BEAVRS benchmark
UN Sustainable Development Goal Categories
Source: Web Of Science
Added: September 19, 2022

2021 journal article

DUAL NUMBER AUTOMATIC DIFFERENTIATION AS APPLIED TO TWO-GROUP CROSS-SECTION UNCERTAINTY PROPAGATION

NUCLEAR TECHNOLOGY & RADIATION PROTECTION, 36(2), 107–115.

By: P. Bokov n, D. Botes* & S. Groenewald*

author keywords: automatic differentiation; dual numbers; sandwich formula; sensitivity analysis; uncertainty propagation; power iteration
Source: Web Of Science
Added: November 29, 2021

2020 journal article

Lattice physics calculations using the embedded self-shielding method in polaris, Part II: Benchmark assessment

ANNALS OF NUCLEAR ENERGY, 150.

By: U. Mertyurek, M. Jessee & B. Betzler

author keywords: Lattice physics; Benchmark; SCALE; Polaris; KENO; LWR
TL;DR: This paper solves a simplistic example of an infinite, homogeneous diffusion problem using parameters that correspond to a plate-type, Material Testing Reactor fuel assembly and demonstrates how AD can be employed in conjunction with some traditionally used sensitivity analysis and uncertainty propagation techniques. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Source: Web Of Science
Added: January 11, 2021

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