Theoretical Vibration Analysis on 600 Wh Energy Storage Flywheel Rotor—Active Magnetic Bearing System by Jing-na Liu, Zheng-yi Ren, Shan-wei Wu, Yin-long Tang

“…The presented simplified rotordynamic model can also be applied to rotating machines.…”
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Approximated Stiffness Coefficients in Rotor Systems Supported by Bearings with Clearance by Magnus Karlberg

“…By using such approximated pedestals in simple rotordynamical models, it was found that the eigenfrequencies decrease significantly with clearance. …”
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Numerical Estimation of Torsional Dynamic Coefficients of a Hydraulic Turbine by Martin Karlsson, Håkan Nilsson, Jan-Olov Aidanpää

“…The rotordynamic behavior of a hydraulic turbine is influenced by fluid-rotor interactions at the turbine runner. …”
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Modal Analysis for a Rod-Fastened Rotor considering Contact Effect Based on Double Fractal Model by Yang Liu, Qi Yuan, Pu Li, Guangyu Zhu

“…The flexural stiffness of the contact interface is the key factor for rotordynamic analysis. The contact interfaces of the discs are usually manufactured by grinding. …”
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On the Instability Threshold of Journal Bearing Supported Rotors by Ricardo Ugliara Mendes, Katia Lucchesi Cavalca

“…Therefore, the main contribution of this paper is to present an investigation of two different thresholds of fluid-induced instabilities and their detectability on design stage simulations based on rotordynamic analysis using linear speed dependent coefficients for the bearings.…”
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Establishment of Approximate Analytical Model of Oil Film Force for Finite Length Tilting Pad Journal Bearings by Yongliang Wang, Yu Gao, Ying Cui, Zhansheng Liu

“…The model of dynamic stiffness, damping, and added mass coefficients is often used for rotordynamic analyses, and this method does not suffice to describe the dynamic behaviour due to the nonlinear effects of oil film force under larger shaft vibration or vertical rotor conditions. …”
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Numerical and Experimental Stability Investigation of a Flexible Rotor on Two Different Tilting Pad Bearing Configurations by Weimin Wang, Qihang Li, Feng He, Paul Allaire

“…Rotordynamic stability is crucial for high performance centrifugal compressors. …”
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