[HTML][HTML] A state-of-the-art review on uncertainty analysis of rotor systems

C Fu, JJ Sinou, W Zhu, K Lu, Y Yang - Mechanical Systems and Signal …, 2023 - Elsevier
Uncertainty handling and analysis of rotor systems have been active research areas during
the last two decades. This paper provides a state-of-the-art review on the research progress …

A review of stochastic finite element and nonparametric modelling for ship propulsion shaft dynamic alignment

L Lu, G Li, P Xing, H Gao, Y Song - Ocean Engineering, 2023 - Elsevier
Ship propulsion shafting is inevitably subject to various uncertainties during navigation.
Uncertain numerical models can reflect the dynamic behaviour of the shafting more …

Piecewise polynomial chaos expansion with an application to brake squeal of a linear brake system

E Sarrouy, O Dessombz, JJ Sinou - Journal of Sound and Vibration, 2013 - Elsevier
This paper proposes numerical developments based on polynomial chaos (PC) expansions
to process stochastic eigenvalue problems efficiently. These developments are applied to …

Numerical investigation on natural vibration characteristics of ship propulsion shafting under uncertainty based on nonparametric approach

G Li, L Lu, H Gao, P Xing, X He, H Zhang - Ocean Engineering, 2022 - Elsevier
In order to investigate the natural vibration characteristics of ship propulsion shafting under
uncertainties, the random matrixes of mass, damping, and stiffness are constructed based …

A review on positioning uncertainty in motion control for machine tool feed drives

L Quan, W Zhao - Precision Engineering, 2024 - Elsevier
The feed system is a typical mechatronics system, as well as motion control equipment, that
serves as a fundamental component of CNC machine tools. Developing a precise …

Application of random matrix theory combined with the singular value decomposition to journal bearings uncertainty analysis

RM Oliveira, DJG Maldonado, A Batou… - Journal of the Brazilian …, 2023 - Springer
This paper proposes a methodology to take into account uncertainties in non-symmetric
operators (matrices). It consists in randomly perturbing a non-symmetric matrix combining …

Rigid multibody system dynamics with uncertain rigid bodies

A Batou, C Soize - Multibody System Dynamics, 2012 - Springer
This paper is devoted to the construction of a probabilistic model of uncertain rigid bodies for
multibody system dynamics. We first construct a stochastic model of an uncertain rigid body …

Nonparametric stochastic modeling of structural uncertainty in rotordynamics: unbalance and balancing aspects

R Murthy, JC Tomei, XQ Wang… - … for Gas Turbines …, 2014 - asmedigitalcollection.asme.org
This paper focuses on extending an earlier investigation on the systematic and rational
consideration of uncertainty in reduced order models of rotordynamics systems. The current …

Vibration analysis of rotors under uncertainty based on Legendre series

C Fu, X Ren, Y Yang - Journal of Vibration Engineering & Technologies, 2019 - Springer
Purpose In rotor systems, uncertainty can arise in occasions such as manufacture errors and
variations in geometry during lifetime. In the presence of uncertainty, the deterministic …

Robust design optimization of gas-lubricated herringbone grooved journal bearings: Surrogate modeling and experimental validation

S Massoudi, C Bush, J Schiffmann - Tribology International, 2024 - Elsevier
This study experimentally validates robust designs for herringbone grooved journal bearings
(HGJBs) in micro-turbocompressors, addressing manufacturing deviations that lead to rotor …