Fast convergence strategy for adaptive structural reliability analysis based on kriging believer criterion and importance sampling

Z Chen, J He, G Li, Z Yang, T Wang, X Du - Reliability Engineering & …, 2024 - Elsevier
The kriging-based adaptive structural reliability analysis method has become widely used,
and various learning functions have been proposed. In this study, a fast convergence …

A novel method for high-dimensional reliability analysis based on activity score and adaptive Kriging

T Wang, Z Chen, G Li, J He, C Liu, X Du - Reliability Engineering & System …, 2024 - Elsevier
In structural reliability analysis, Kriging-based adaptive analysis approaches considerably
improve the analysis's efficiency by utilizing proper learning strategies. However, the time …

First-passage probability estimation of high-dimensional nonlinear stochastic dynamic systems by a fractional moments-based mixture distribution approach

C Ding, C Dang, MA Valdebenito, MGR Faes… - … Systems and Signal …, 2023 - Elsevier
First-passage probability estimation of high-dimensional nonlinear stochastic dynamic
systems is a significant task to be solved in many science and engineering fields, but …

A new parallel adaptive structural reliability analysis method based on importance sampling and K-medoids clustering

Z Chen, G Li, J He, Z Yang, J Wang - Reliability Engineering & System …, 2022 - Elsevier
In using the Kriging-based adaptive structure reliability analysis methods, the key is to select
the appropriate method of adding samples adaptively. In this study, a new parallel adaptive …

RBIK-SS: A parallel adaptive structural reliability analysis method for rare failure events

G Li, T Wang, Z Chen, J He, X Wang, X Du - Reliability Engineering & …, 2023 - Elsevier
One of the important challenges in structural reliability is using only a few function calls to
obtain an accurate failure probability. To solve this problem, a combination of the adaptive …

Attention mechanism based neural networks for structural post-earthquake damage state prediction and rapid fragility analysis

Y Chen, Z Sun, R Zhang, L Yao, G Wu - Computers & Structures, 2023 - Elsevier
This paper is devoted to the research on applying the deep learning method to nonlinear
structural post-disaster damage state assessment. Transformer and Informer networks with a …

A nonparametric seismic reliability analysis method based on Bayesian compressive sensing–stochastic harmonic function method and probability density evolution …

J He, R Gao, H Zhou - Mechanical Systems and Signal Processing, 2023 - Elsevier
In engineering practice, the evaluation of seismic reliability of high-rise reinforced concrete
structure relies on the probabilistic modelling of material properties. However, the measured …

Adaptive scaled unscented transformation for highly efficient structural reliability analysis by maximum entropy method

J Xu, F Kong - Structural Safety, 2019 - Elsevier
The approximation of the probability density function (PDF) of the performance function,
especially for the tail distribution, is of paramount importance in structural reliability analysis …

Adaptive structural reliability analysis method based on confidence interval squeezing

Z Chen, G Li, J He, Z Yang, J Wang - Reliability Engineering & System …, 2022 - Elsevier
Kriging-based adaptive structural reliability analysis methods can replace the structural
performance function and perform reliability analysis accurately and efficiently by using …

A cubature collocation based sparse polynomial chaos expansion for efficient structural reliability analysis

J Xu, F Kong - Structural Safety, 2018 - Elsevier
Polynomial chaos expansion (PCE) is widely used to build a surrogate meta-model of the
performance function for structural reliability analysis. The number of terms to be determined …