Effect of disk flexibility on nonlinear vibration characteristics of shaft-disk rotors

Y Cui, Y Wang - Acta Mechanica Sinica, 2024 - Springer
Accurately predicting the nonlinear dynamic response of shaft-disk rotors is crucial in the
design of rotary machines. In available studies, the disk is commonly treated as rigid body to …

Free vibrations of axially loaded thin-walled shaft-disk rotors subjected to non-uniform temperature field

YS Cui, YQ Wang - Thin-Walled Structures, 2024 - Elsevier
Research on vibrations of shaft-disk rotors in non-uniform thermal field is essential for the
design of rotating machinery. In this paper, the dynamic model of axially loaded thin-walled …

[HTML][HTML] Friction dam** for turbomachinery: A comprehensive review of modelling, design strategies, and testing capabilities

J Yuan, C Gastaldi, ED Goy, B Chouvion - Progress in Aerospace Sciences, 2024 - Elsevier
This paper presents a comprehensive review of recent advancements in modelling
approaches, design strategies, and testing techniques applied to friction dam** in …

On the use of frictional dampers for flutter mitigation of a highly flexible wing

R Alcorta, B Chouvion, G Michon… - International Journal of …, 2023 - Elsevier
The prospect of aeroelastic instability, leading to large-amplitude limit cycle oscillations, is of
particular concern for the highly flexible wings of solar high-altitude long-endurance (HALE) …

Attenuation of Sommerfeld effect in a four DOF vibration system driven by a non-ideal induction motor

F Hu, R Peng, P Fang, L Yang, F **e… - Advances in …, 2024 - journals.sagepub.com
The Sommerfeld effect is a phenomenon in which a non-ideal prime mover fails to provide
enough energy around the resonance speed in a vibration system, resulting in resonance …

Stability of steady-state solutions of Jeffcott rotor with varying rotational speed

A Aljabr, H Flashner - Nonlinear Dynamics, 2024 - Springer
The behavior of flexible rotating systems with varying rotational speeds is essential in
engineering applications. Analysis methods that consider linear dynamic models and many …

Supercritical Operation of Bearingless Cross-Flow Fan

I Bagaric, D Steinert, T Nussbaumer, JW Kolar - Machines, 2024 - mdpi.com
This paper presents a decoupled bearingless cross-flow fan (CFF) that operates at a
supercritical speed, thereby increasing the maximum achievable rotational speed and fluid …

[HTML][HTML] Study of self-oscillations of a distributed rotor from a material with hereditarily elastic properties

EP Kubyshkin - Partial Differential Equations in Applied Mathematics, 2024 - Elsevier
Self-oscillatory solutions of dynamic equations of transverse vibrations of a distributed
rotating ideally balanced rotor (shaft) on an isotropic support made of a material with …

The phase transition of covariant Lyapunov vector precisely locates a stability reversal of quasi-periodic response

L Cao, J Liu, Y Chen - Journal of Computational …, 2025 - asmedigitalcollection.asme.org
Assessing the stability of quasi-periodic (QP) response is crucial, as the bifurcation of QP
response is usually accompanied by a stability reversal. The largest Lyapunov exponent …