Modal analysis of rotor-shaft system under the influence of rotor-shaft material damping and fluid film forces

M Chouksey, JK Dutt, SV Modak - Mechanism and Machine Theory, 2012 - Elsevier
The present work attempts to study the influences of internal rotor material damping and the
fluid film forces (generated as a result of hydrodynamic action in journal bearings) on the …

Modelling wind turbine tower-rotor interaction through an aerodynamic damping matrix

C Chen, P Duffour, P Fromme - Journal of sound and vibration, 2020 - Elsevier
Current wind turbine modelling packages mainly adopt a complex methodology in which
aerodynamic forces are coupled with the motion of the wind turbine components at every …

Analytical study on the aerodynamic and hydrodynamic damping of the platform in an operating spar-type floating offshore wind turbine

Q Meng, X Hua, C Chen, S Zhou, F Liu, Z Chen - Renewable Energy, 2022 - Elsevier
Accurate evaluation of aerodynamic damping and hydrodynamic damping is critical to
response prediction and vibration control of spar-type floating offshore wind turbines. This …

Squeal analysis of a modal-parameter-based rotating disc brake model

Y Du, Y Wang - International Journal of Mechanical Sciences, 2017 - Elsevier
Many squeal studies of brake system finite element (FE) model neglected the disc rotation
effect. This paper, based on modal theory and FE modal result, presents a novel method to …

Rotor Dynamics: Modelling and Analysis—A Review

DK Pasi, A Tiwari, M Chouksey - Journal of The Institution of Engineers …, 2024 - Springer
Different types of modelling procedures, simulation and experimental practices have been
developed for rotating machines in order to maintain trouble free operation. This includes …

[PDF][PDF] Impact of vertical vibration on group piles during earthquake loading: experimental findings

BJ Noman, BS Albusoda - Civ Eng J, 2024 - researchgate.net
This study presents novel research on the impact of vertical vibration on the dynamic
response of pile groups embedded in stratified soil under seismic loading conditions. An …

Identification of aerodynamic damping matrix for operating wind turbines

C Chen, P Duffour, K Dai, Y Wang, P Fromme - Mechanical Systems and …, 2021 - Elsevier
Accurate knowledge of wind turbine tower vibration damping is essential for the estimation
of fatigue life. However, the responses in the fore-aft and side-side directions are coupled …

[图书][B] Vibration-based fault identification for rotor and ball bearing in rotating machines

KC Luwei - 2022 - search.proquest.com
The study uses an experimental approach in contributing to advance vibration-based fault
identification (VFI) techniques for rotor and ball bearing in rotating machines using data …

The effect of non-symmetric frf on machining: A case study

D Hajdu, T Insperger, G Stepan - … and information in …, 2015 - asmedigitalcollection.asme.org
Stability prediction of machining operations is often not reliable due to the inaccurate
mechanical modeling. A major source of this inaccuracy is the uncertainties in the dynamic …

Modal analysis of electric sail

TD Lillian - Acta Astronautica, 2021 - Elsevier
The electric solar wind sail (E-sail) has been proposed as a novel propulsion system that, if
successful, promises to facilitate missions that would be inconvenient or impractical with …