Original title: Možnosti posouzení poklesu amplitudy kmitání buzené odezvy s kinematickým buzením
Translated title: Judgement of Possibilities of Decrease of Vibration Magnitude of Forced Response by Actuating Kinematic Excitation Effect
Authors: Markopoulos, A. ; Ondrouch, Jan ; Ferfecki, Petr
Document type: Papers
Conference/Event: Engineering Mechanics 2008, Svratka (CZ), 2008-05-12 / 2008-05-15
Year: 2008
Language: cze
Abstract: [cze] [eng]
Cílem je určit časový průběh kmitání kinematického buzení, tak aby po odeznění přechodového děje byla amplituda výchylky kinematicky buzeného systému menší než systému bez kinematického buzení. Summary: The task is to determine time history of a kinematic excitation so that after the initial transient component dies out, the magnitude of displacement a kinematicaly excited system has been lower than the magnitude of the system without kinematic excitation. The best solution of the investigated problem can be calculated by means of a procedure using minimization of the functional. However, numerical simulations shows that due to complexity of analysis proposed approach is not useful for solving systems with more than one of degree of freedom. They also tell that the best approaches to decrease a vibration magnitude of a rotor system supported by hydrodynamic bearings are methods using linearization equation of motion.
Keywords: hydrodynamic bearing; kinematic excitation; oil whirl
Project no.: CEZ:AV0Z20760514 (CEP)
Host item entry: Engineering Mechanics 2008, ISBN 978-80-87012-11-6

Institution: Institute of Thermomechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0167241

Permalink: http://www.nusl.cz/ntk/nusl-39621


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Research > Institutes ASCR > Institute of Thermomechanics
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