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ORIGINAL PAPER
Modelling of Equivalent Mass and Rigidity of Continual Segment of the Inter-Resonance Vibration Machine
1
Department of Mechanics and Automation of Mechanical Engineering Institute of Engineering Mechanics and Transport, Lviv Polytechnic National University, 1 Profesorska St., Lviv, 79013, Ukraine
2
Department of Strength of Materials and Structural Mechanics, Institute of Civil Engineering and Building Systems, Lviv Polytechnic National University, 6 Karpinskoho St., Lviv, 79013, Ukraine
3
Department of Mechanical Engineering Technologies, Institute of Engineering Mechanics and Transport, Lviv Polytechnic National University, 1 Profesorska St., Lviv, 79013, Ukraine
4
Department of Project Management and Occupational Safety, Faculty of Mechanic and Power Engineering, Lviv National Agrarian University, Lviv-Dubliany, 80381, Ukraine
Online publication date: 2021-06-22
Publication date: 2021-06-01
International Journal of Applied Mechanics and Engineering 2021;26(2):70-83
KEYWORDS
ABSTRACT
The article deals with a continual segment of an inter-resonance vibration machine. In the form of a solid with distributed parameters this segment combines two defining parameters, namely: the inertial parameter of reactive: masses and appropriate rigidity of elastic coupling. These operation factors are revealed only in dynamic processes and are clearly not included in the parameters of the continual segment. Analytical dependences are developed for modeling of defining parameters of an inter-resonance system, namely: reactive mass and appropriate rigidity of elastic: coupling. Parameters of the reference point of the continual segment passing through its center of velocity are studied. The inertial parameter of the reactive mass and the rigidity of elastic coupling were modeled by the Rayleigh-Ritz method. The reliability of the results of theoretical research was confirmed experimentally and the parameters of the partial frequency of the continual segment were determined.
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