Modeling, analysis, and optimization under uncertainties: a review

E Acar, G Bayrak, Y Jung, I Lee, P Ramu… - Structural and …, 2021 - Springer
Abstract Design optimization of structural and multidisciplinary systems under uncertainty
has been an active area of research due to its evident advantages over deterministic design …

Probabilistic surrogate modeling by Gaussian process: A review on recent insights in estimation and validation

A Marrel, B Iooss - Reliability Engineering & System Safety, 2024 - Elsevier
In the framework of risk assessment, computer codes are increasingly used to understand,
model and predict physical phenomena. As these codes can be very time-consuming to run …

Inverse uncertainty quantification using the modular Bayesian approach based on Gaussian process, Part 1: Theory

X Wu, T Kozlowski, H Meidani, K Shirvan - Nuclear Engineering and Design, 2018 - Elsevier
In nuclear reactor system design and safety analysis, the Best Estimate plus Uncertainty
(BEPU) methodology requires that computer model output uncertainties must be quantified …

A survey of machine learning techniques in structural and multidisciplinary optimization

P Ramu, P Thananjayan, E Acar, G Bayrak… - Structural and …, 2022 - Springer
Abstract Machine Learning (ML) techniques have been used in an extensive range of
applications in the field of structural and multidisciplinary optimization over the last few …

Uncertainty analysis of ATF Cr-coated-Zircaloy on BWR in-vessel accident progression during a station blackout

Z Guo, R Dailey, T Feng, Y Zhou, Z Sun… - Reliability Engineering & …, 2021 - Elsevier
The deposition of protective coatings on nuclear fuel cladding has been considered as a
near-term Accident Tolerant Fuel (ATF) concept that will reduce the high-temperature …

An open time-series simulated dataset covering various accidents for nuclear power plants

B Qi, X Xiao, J Liang, LC Po, L Zhang, J Tong - Scientific data, 2022 - nature.com
Nuclear energy plays an important role in global energy supply, especially as a key low-
carbon source of power. However, safe operation is very critical in nuclear power plants …

A comprehensive survey of inverse uncertainty quantification of physical model parameters in nuclear system thermal–hydraulics codes

X Wu, Z Xie, F Alsafadi, T Kozlowski - Nuclear Engineering and Design, 2021 - Elsevier
Uncertainty Quantification (UQ) is an essential step in computational model validation
because assessment of the model accuracy requires a concrete, quantifiable measure of …

Uncertainty quantification for Multiphase-CFD simulations of bubbly flows: a machine learning-based Bayesian approach supported by high-resolution experiments

Y Liu, D Wang, X Sun, N Dinh, R Hu - Reliability Engineering & System …, 2021 - Elsevier
In this paper, we developed a machine learning-based Bayesian approach to inversely
quantify and reduce the uncertainties of multiphase computational fluid dynamics (MCFD) …

Inverse uncertainty quantification using the modular Bayesian approach based on Gaussian Process, Part 2: Application to TRACE

X Wu, T Kozlowski, H Meidani, K Shirvan - Nuclear Engineering and Design, 2018 - Elsevier
Abstract Inverse Uncertainty Quantification (UQ) is a process to quantify the uncertainties in
random input parameters while achieving consistency between code simulations and …

A Bayesian framework of inverse uncertainty quantification with principal component analysis and Kriging for the reliability analysis of passive safety systems

G Roma, F Di Maio, A Bersano, N Pedroni… - … Engineering and Design, 2021 - Elsevier
In this work, we propose an Inverse Uncertainty Quantification (IUQ) approach to assigning
Probability Density Functions (PDFs) to uncertain input parameters of Thermal-Hydraulic …