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- W2349018049 abstract "Under certain assumptions of fluid movements and beam vibrations,considering the damping and axial elongation caused by vibration deformations,coupling nonlinear dynamic controlling equations are established for a flexible cantilever opening beam with interior inlay fluid,then the state-space equations and the corresponding linearized perturbation equations are derived.According to the Hopf bifurcation theory,the characteristic polynomial of the Jacobi matrix of perturbation equations and its roots,the algebraic criteria,which the critical velocity must satisfy,are derived.The typical 4th-order Runge-Kutta method is utilized to solve state-space equations.The results show that when the fluid velocity exceeds the critical velocity,the Hopf bifurcation occurs,and the limit cycle appears in the phase-space.In this case,the stability of the beam in the horizontal position is destroyed,the fluttering destabilization happens in this system,and the beam periodically vibrates around the horizontal position." @default.
- W2349018049 created "2016-06-24" @default.
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- W2349018049 date "2010-01-01" @default.
- W2349018049 modified "2023-09-26" @default.
- W2349018049 title "Investigation on fluttering destabilization for a flexible cantilever opening beam with interior inlay fluid" @default.
- W2349018049 hasPublicationYear "2010" @default.
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