Hyperparameter-optimized multi-fidelity deep neural network model associated with subset simulation for structural reliability analysis

JPS Lima, F Evangelista Jr, CG Soares - Reliability Engineering & System …, 2023 - Elsevier
The present study proposes a two-stage Bi-Fidelity Deep Neural Network surrogate model to
quantify the uncertainty of structural analysis using low-fidelity data samples added to the …

EMR-SSM: Synchronous surrogate modeling-based enhanced moving regression method for multi-response prediction and reliability evaluation

C Lu, YW Feng, D Teng - Computer Methods in Applied Mechanics and …, 2024 - Elsevier
To achieve multi-response prediction and reliability evaluation of complex structural system,
a high efficient and precision strategy, namely synchronous surrogate modeling-based …

Partial least squares-based polynomial chaos Kriging for high-dimensional reliability analysis

T Zhou, Y Peng, T Guo - Reliability Engineering & System Safety, 2023 - Elsevier
To alleviate the computational overhead of high-dimensional reliability analysis, a cost-
effective surrogate model called PPCK is proposed by combining partial least squares (PLS) …

A subset simulation analysis framework for rapid reliability evaluation of series-parallel cold standby systems

Z Lin, L Tao, S Wang, N Yong, D **a, J Wang… - Reliability Engineering & …, 2024 - Elsevier
Due to its capacity to increase system reliability, cold standby redundancy design has
attracted considerable attention and has been applied in crucial-safety engineering systems …

[HTML][HTML] Uqpy v4. 1: Uncertainty quantification with python

D Tsapetis, MD Shields, DG Giovanis, A Olivier… - SoftwareX, 2023 - Elsevier
This paper presents the latest improvements introduced in Version 4 of the UQpy,
Uncertainty Quantification with Python, library. In the latest version, the code was …

Deep-learning-based inverse structural design of a battery-pack system

X Zhang, Y **ong, Y Pan, D Xu, I Kawsar, B Liu… - Reliability Engineering & …, 2023 - Elsevier
Along with the continuous progress of lithium-ion batteries and the automotive industry, the
safety of battery-pack systems (BPSs) is gradually becoming a hot topic of concern for …

[HTML][HTML] Bi-fidelity Kriging model for reliability analysis of the ultimate strength of stiffened panels

JPS Lima, F Evangelista Jr, CG Soares - Marine Structures, 2023 - Elsevier
A method based on a Bi-fidelity Kriging model is proposed for structural reliability analysis. It
is based on adding low-fidelity data samples to the model to predict high-fidelity values, thus …

Look-ahead active learning reliability analysis based on stepwise margin reduction

T Zhou, T Guo, Y Dong, F Yang… - Reliability Engineering & …, 2024 - Elsevier
According to the concept of limit-state margin probability function, a new look-ahead
learning function called stepwise margin reduction (SMR) is proposed for active learning …

Relaxation-based importance sampling for structural reliability analysis

J **an, Z Wang - Structural Safety, 2024 - Elsevier
This study presents an importance sampling formulation based on adaptively relaxing
parameters from the indicator function and/or the probability density function. The …

[HTML][HTML] A physics and data co-driven surrogate modeling method for high-dimensional rare event simulation

J **an, Z Wang - Journal of Computational Physics, 2024 - Elsevier
This paper presents a physics and data co-driven surrogate modeling method for efficient
rare event simulation of civil and mechanical systems with high-dimensional input …