Flexible-constrained time-variant hybrid reliability-based design optimization

Z Wang, D Zhao, Y Guan - Structural and Multidisciplinary Optimization, 2023 - Springer
Only the worst-case scenario is considered in most studies when conducting reliability-
based design optimization under hybrid uncertainties including epistemic uncertainty and …

Evidence-theory-based structural reliability analysis with epistemic uncertainty: a review

Z Zhang, C Jiang - Structural and Multidisciplinary Optimization, 2021 - Springer
Epistemic uncertainty widely exists in the early design stage of complex engineering
structures or throughout the full-life cycle of innovative structure design, which should be …

A system active learning Kriging method for system reliability-based design optimization with a multiple response model

M Xiao, J Zhang, L Gao - Reliability Engineering & System Safety, 2020 - Elsevier
This paper proposes a system active learning Kriging (SALK) method to handle system
reliability-based design optimization (SRBDO) problems, where responses of all constraints …

An efficient Kriging-based subset simulation method for hybrid reliability analysis under random and interval variables with small failure probability

M Xiao, J Zhang, L Gao, S Lee, AT Eshghi - Structural and …, 2019 - Springer
This paper proposes an efficient Kriging-based subset simulation (KSS) method for hybrid
reliability analysis under random and interval variables (HRA-RI) with small failure …

Multi-extremum-modified response basis model for nonlinear response prediction of dynamic turbine blisk

B Keshtegar, M Bagheri, CW Fei, C Lu… - Engineering with …, 2021 - Springer
For the nonlinear dynamic analyses of complex mechanical components, it is necessary to
apply efficient modeling framework to reduce computational burden. The accurate surrogate …

An active learning reliability method combining Kriging constructed with exploration and exploitation of failure region and subset simulation

J Zhang, M Xiao, L Gao - Reliability Engineering & System Safety, 2019 - Elsevier
Subset simulation (SS) is a powerful reliability analysis method by transforming a rare failure
event into a sequence of multiple intermediate failure events with larger probabilities …

Novel probabilistic model for searching most probable point in structural reliability analysis

SP Zhu, B Keshtegar, S Chakraborty… - Computer Methods in …, 2020 - Elsevier
Abstract The Most Probable Point (MPP) is typically searched by transforming the basic
random variables from original to standard normal space in the traditional first order …

A combined projection-outline-based active learning Kriging and adaptive importance sampling method for hybrid reliability analysis with small failure probabilities

J Zhang, M Xiao, L Gao, S Chu - Computer Methods in Applied Mechanics …, 2019 - Elsevier
In this paper, the adaptive importance sampling (AIS) method is extended for hybrid
reliability analysis under random and interval variables (HRA-RI) with small failure …

Novel hybrid robust method for uncertain reliability analysis using finite conjugate map

SP Zhu, B Keshtegar, M Bagheri, P Hao… - Computer Methods in …, 2020 - Elsevier
Due to the limitation of measured data, the random and epistemic uncertainties must be
simultaneously handled for the reliability analysis of curvilinear aircraft stiffened panels with …

Evidence theory based uncertainty design optimization for planetary gearbox in wind turbine

S Yang, J Wang, H Yang - Journal of Advances in Applied & …, 2022 - avantipublisher.com
The planetary gearbox is an important part of the wind turbine. There are many random
uncertain factors in the process of design, production, installation, and use, and these …