Vectorial surrogate modeling approach for multi-failure correlated probabilistic evaluation of turbine rotor

XQ Li, LK Song, GC Bai - Engineering with Computers, 2023 - Springer
For complex structures like aeroengine turbine rotor, its reliability performance is jointly
determined by multiple correlated failure modes. Probabilistic evaluation is an effective way …

Uncertainty quantification for structural response field with ultra-high dimensions

L Cao, Y Zhao - International Journal of Mechanical Sciences, 2024 - Elsevier
The structural response field is crucial for understanding mechanical behavior, especially
under uncertain conditions. However, current uncertainty quantification predominantly …

Efficient global sensitivity analysis for high-dimensional outputs combining data-driven probability models and dimensionality reduction

WH Jung, AA Taflanidis - Reliability Engineering & System Safety, 2023 - Elsevier
This paper examines the efficient variance-based global sensitivity analysis (GSA),
quantified by estimating first-/higher-order and total-effect Sobol'indices, for applications …

Geometric moment-dependent global sensitivity analysis without simulation data: application to ship hull form optimisation

S Khan, P Kaklis, A Serani, M Diez - Computer-Aided Design, 2022 - Elsevier
In this work, we propose and test a method to expedite Global Sensitivity Analysis (GSA) in
the context of shape optimisation of free-form shapes. To leverage the computational burden …

A priori error estimates for local reliability-based sensitivity analysis with Monte Carlo Simulation

AJ Torii, AA Novotny - Reliability Engineering & System Safety, 2021 - Elsevier
In this work, we present a priori error estimates for local reliability-based sensitivity analysis.
The Score Function Method and the Weak Approach using Monte Carlo Simulation are …

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 …

Multivariate statistical aggregation and dimensionality reduction techniques to improve monitoring and maintenance in railways: The wheelset component

JAP Braga, AR Andrade - Reliability Engineering & System Safety, 2021 - Elsevier
Reliable monitoring and assessment of wear evolutions are critical for performing effective
railway maintenance. Several characteristics and variables are used to quantify a worn …

A surrogate-model-based approach for estimating the first and second-order moments of offshore wind power

B Golparvar, P Papadopoulos, AA Ezzat, RQ Wang - Applied Energy, 2021 - Elsevier
Power curve, the functional relationship that governs the process of converting a set of
weather variables experienced by a wind turbine into electric power, is widely used in the …

A feature mapping strategy of metamodelling for nonlinear stochastic dynamical systems with low to high-dimensional input uncertainties

Z Wan, J Chen, W Tao, P Wei, M Beer… - Mechanical Systems and …, 2023 - Elsevier
This paper deals with the issue on metamodelling (aka surrogate modelling) of nonlinear
stochastic dynamical systems, which are often with multiple input uncertainties Θ∈ R n, viz …

Arbitrary multi-resolution multi-wavelet-based polynomial chaos expansion for data-driven uncertainty quantification

I Kröker, S Oladyshkin - Reliability Engineering & System Safety, 2022 - Elsevier
Various real world problems deal with data-driven uncertainty. In particular, in geophysical
applications the amount of available data is often limited, posing a challenge in the …