Vibration Modeling and Stability of Two Rigid Rotors Under the Influence of Internal Friction Caused by Slip on the Contact Surface of the Shrink-fit Connection

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Amirabadizadeh, Hadi | 2022

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 55838 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Dehghani Firouzabadi, Ruhollah
Abstract:
In this study, the modeling of shrink-fit connection was performed by considering the effect of friction on the connection. The behavior of a beam with shrink-fit connection was compared with the results of Adams software and the modeling accuracy was shown. Using both energy and Newton methods, the equations of motion of a rigid rotor consisting of two shafts connected by shrink-fit connection were obtained and the dynamic behavior of the rotor was investigated. Finally, the coupling parameters affecting the vibrations and stability of this rotor were introduced and the effect of each on the system behavior was shown.
Keywords:
Rotor Dynamics ; Jeffcott Rotor ; Stability ; Vibration Modeling ; Shrink Fit ; Dynamic Behavior ; Newton Method

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