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 …

Reliability-based design optimization of wind turbine blades for fatigue life under dynamic wind load uncertainty

W Hu, KK Choi, H Cho - Structural and multidisciplinary optimization, 2016 - Springer
This paper studies reliability-based design optimization (RBDO) of a 5-MW wind turbine
blade for designing reliable as well as economical wind turbine blades. A novel dynamic …

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 …

Optimal design of experiments for optimization-based model calibration using Fisher information matrix

Y Jung, I Lee - Reliability Engineering & System Safety, 2021 - Elsevier
Statistical model calibration to infer unknown model parameters and model bias has been
widely developed through comparison between simulation response and experimental data …

A novel classification method to random samples for efficient reliability sensitivity analysis

J Wu, D Zhang, X Han - Journal of Mechanical …, 2022 - asmedigitalcollection.asme.org
Reliability sensitivity analysis is important to measure how uncertainties influence the
reliability of mechanical systems. This study aims to propose an efficient computational …

A probabilistic feasible region approach for reliability-based design optimization

Z Chen, X Li, G Chen, L Gao, H Qiu, S Wang - Structural and …, 2018 - Springer
Reliability-based design optimization (RBDO) is a useful tool for design optimization when
considering the probabilistic characteristics of the design variables. However, its use in …

Reliability measure approach for confidence-based design optimization under insufficient input data

Y Jung, H Cho, I Lee - Structural and Multidisciplinary Optimization, 2019 - Springer
In most of the reliability-based design optimization (RBDO) researches, accurate input
statistical model has been assumed to concentrate on the variability of random variables; …

A novel probabilistic feasible region method for reliability-based design optimization with varying standard deviation

Z Wu, Z Chen, G Chen, X Li, C Jiang, X Gan… - Journal of Mechanical …, 2023 - Springer
An effective method for reliability-based design optimization (RBDO) problems taking
uncertainties into account is the probabilistic feasible region (PFR) approach. The PFR …

Design sensitivity analysis with polynomial chaos for robust optimization

C Ren, F **ong, B Mo, A Chawdhury… - Structural and …, 2021 - Springer
Polynomial chaos (PC) methods with Gauss-type quadrature formulae have been widely
applied for robust design optimization. During the robust optimization, gradient-based …

MPP-based approximated DRM (ADRM) using simplified bivariate approximation with linear regression

Y Jung, H Cho, I Lee - Structural and multidisciplinary optimization, 2019 - Springer
Conventional most probable point (MPP)-based dimension reduction methods (DRM) show
better accuracy in reliability analysis than first-order reliability methods (FORM), and thus …