Improved Kriging with extremum response surface method for structural dynamic reliability and sensitivity analyses

C Lu, YW Feng, RP Liem, CW Fei - Aerospace Science and Technology, 2018 - Elsevier
The safety and reliability of any complex mechanical structures are critical to ensure that
they can function properly. Therefore, we need to thoroughly evaluate their reliability by …

A GRU-based ensemble learning method for time-variant uncertain structural response analysis

K Zhang, N Chen, J Liu, M Beer - Computer Methods in Applied Mechanics …, 2022 - Elsevier
Owing to the influence of manufacturing and assembly errors, material performance
degradation, external loads and unpredictability of the environment during service, structural …

A polynomial chaos expansion approach for nonlinear dynamic systems with interval uncertainty

L Wang, Z Chen, G Yang - Nonlinear Dynamics, 2020 - Springer
This paper proposes a non-intrusive interval uncertainty analysis method for estimation of
the dynamic response bounds of nonlinear systems with uncertain-but-bounded parameters …

Hybrid uncertainty propagation for mechanical dynamics problems via polynomial chaos expansion and Legendre interval inclusion function

L Wang, C Guo, F Xu, H Xiao - Mechanical Systems and Signal Processing, 2025 - Elsevier
This paper investigates a non-intrusive hybrid uncertainty propagation framework in
mechanical dynamic systems, utilizing polynomial chaos expansion (PCE) and Legendre …

Propagation algorithm for hybrid uncertainty parameters based on polynomial chaos expansion

Z Wang, L Wang, X Wang, Q Sun… - International Journal for …, 2023 - Wiley Online Library
This article presents an uncertainty analysis method for systems with hybrid stochastic and
fuzzy uncertainty parameters based on polynomial chaos expansion (PCE). Parameters in …

Dynamic response analysis of structure under time-variant interval process model

B Xia, Y Qin, D Yu, C Jiang - Journal of Sound and Vibration, 2016 - Elsevier
Due to the aggressiveness of the environmental factor, the variation of the dynamic load, the
degeneration of the material property and the wear of the machine surface, parameters …

Non-probabilistic interval process analysis of time-varying uncertain structures

B Xia, L Wang - Engineering Structures, 2018 - Elsevier
In the engineering practices, the information or the sample data to construct the precise
probabilistic characteristics are usually insufficient. Aim at this issue, a non-probabilistic …

Dynamic reliability analysis for the reusable thrust chamber: A multi-failure modes investigation based on coupled thermal-structural analysis

Q Yaqun, J Ping, L Ruizhi, Z Sheng… - Reliability Engineering & …, 2020 - Elsevier
To evaluate the dynamic reliability of the thrust chamber in the reusable rocket engine (RRE)
under multi-failure modes, a reliability analysis based on the coupled thermal-structural finite …

A new method of nonlinear analysis for a mechanism with a cylindrical clearance joint using information entropy theory

M Qian, S Yan, L Zhang, Z Luo, Y Yang - Nonlinear Dynamics, 2022 - Springer
Many studies have found that the local contact deformation of joints with clearance has
obvious nonlinear characteristics and even exhibits chaotic response under certain …

Non-probabilistic interval process method for analyzing two-stage straight bevel gear system with uncertain time-varying parameters

W Lafi, F Djemal, D Tounsi, A Akrout… - Proceedings of the …, 2021 - journals.sagepub.com
A two-stage straight bevel gear system is a gear system that can be used in various
applications. The straight bevel gear is known for its complex tooth geometry. Due to the …