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 …

An efficient two-stage water cycle algorithm for complex reliability-based design optimization problems

Z Meng, H Li, R Zeng, S Mirjalili, AR Yıldız - Neural Computing and …, 2022 - Springer
The reliability-based design optimization (RBDO) problem considers the necessary
uncertainty of measurements within the scope of planning to minimize the design objective …

Statistical model calibration and design optimization under aleatory and epistemic uncertainty

Y Jung, H Jo, J Choo, I Lee - Reliability Engineering & System Safety, 2022 - Elsevier
Statistical model calibration is a framework for inference on unknown model parameters and
modeling discrepancy between simulation and experiment through an inverse method in the …

Confidence-based design optimization for a more conservative optimum under surrogate model uncertainty caused by Gaussian process

Y Jung, K Kang, H Cho, I Lee - Journal of …, 2021 - asmedigitalcollection.asme.org
Even though many efforts have been devoted to effective strategies to build accurate
surrogate models, surrogate model uncertainty is inevitable due to a limited number of …

A confidence-based reliability optimization with single loop strategy and second-order reliability method

Y Wang, P Hao, H Yang, B Wang, Q Gao - Computer Methods in Applied …, 2020 - Elsevier
The statistical model is commonly used in the reliability-based design optimization (RBDO).
However, it is difficult to obtain sufficient data to construct a reasonable statistical model in …

A sequential single-loop reliability optimization and confidence analysis method

P Hao, H Yang, H Yang, Y Zhang, Y Wang… - Computer Methods in …, 2022 - Elsevier
In practical engineering problems, it is frequently challenging to collect sufficient data to
construct high-precision probabilistic models. In this case, probabilistic models typically …

Hyperstatic and redundancy thresholds in truss topology optimization considering progressive collapse due to aleatory and epistemic uncertainties

LAR da Silva, AJ Torii, AT Beck - Probabilistic Engineering Mechanics, 2023 - Elsevier
Optimization leads to specialized structures which are not robust to disturbance events like
unanticipated abnormal loading or human errors. Typical reliability-based and robust …

Construction of adaptive Kriging metamodel for failure probability estimation considering the uncertainties of distribution parameters

X Peng, T Ye, W Hu, J Li, Z Liu, S Jiang - Probabilistic Engineering …, 2022 - Elsevier
A critical problem in engineering reliability analysis is obtaining an accurate failure
probability with a high computational efficiency. This study aims to present failure probability …

Confidence-based reliability assessment considering limited numbers of both input and output test data

MY Moon, H Cho, KK Choi, N Gaul, D Lamb… - Structural and …, 2018 - Springer
Simulation-based methods can be used for accurate uncertainty quantification and
prediction of the reliability of a physical system under the following assumptions:(1) accurate …

Confidence-based design optimization using multivariate kernel density estimation under insufficient input data

Y Jung, M Kim, H Cho, W Hu, I Lee - Probabilistic Engineering Mechanics, 2024 - Elsevier
The uncertainty quantification of the input statistical model in reliability-based design
optimization (RBDO) has been widely investigated for accurate reliability analysis, and it …