Limit Cycle Flutter Analysis of Plate-Type Beam with Dissymmetrical Subsection Linear Stiffness

Li Lu; Yi Ren Yang; Chen Guang Fan; Ming Lu Zhang

doi:10.4028/www.scientific.net/AMM.66-68.1732

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 66-68Limit Cycle Flutter Analysis of Plate-Type Beam...

Limit Cycle Flutter Analysis of Plate-Type Beam with Dissymmetrical Subsection Linear Stiffness

Abstract:

The limit cycle flutter of a plate-type structure with dissymmetrical subsection linear stiffness in incompressible viscous flow was studied. Galerkin Method was used to get the differential equations of system. The equivalent linearization concept was performed to predict the ranges of limit cycle flutter velocities. The flutter borderline map was used to analyze the the stability of limit cycle flutter. By numerical integrating, the velocities of convergence, flutter and instability were obtained. The theoretical results agree well with the results of numerical integration.

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Periodical:

Applied Mechanics and Materials (Volumes 66-68)

Pages:

1732-1737

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.66-68.1732

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Online since:

July 2011

Authors:

Li Lu, Yi Ren Yang, Chen Guang Fan, Ming Lu Zhang

Keywords:

Equivalent Linearization, Fluid-Solid Coupled Vibration, Incompressible Viscous Flow, Limit Cycle Flutter, Plate-Type Structure

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