On numerical simulations of a nonlinear self-excited system with two non-ideal sources
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Data
2005-12-01
Autores
Palacios, J. L.
Brasil, R. M L R F
Balthazar, José Manoel [UNESP]
Warminski, J.
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Resumo
In this work, the dynamic behavior of self-synchronization and synchronization through mechanical interactions between the nonlinear self-excited oscillating system and two non-ideal sources are examined by numerical simulations. The physical model of the system vibrating consists of a non-linear spring of Duffing type and a nonlinear damping described by Rayleigh's term. This system is additional forced by two unbalanced identical direct current motors with limited power (non-ideal excitations). The present work mathematically implements the parametric excitation described by two periodically changing stiffness of Mathieu type that are switched on/off. Copyright © 2005 by ASME.
Descrição
Palavras-chave
Mechanical interactions, Non ideal sources, Self excited system, Self synchronization, Computer simulation, Damping, Oscillations, Parametric oscillators, Stiffness, Synchronization, Vibration measurement, Nonlinear systems
Como citar
Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference - DETC2005, v. 6 B, p. 823-827.