Abstract

This paper deals with the flutter experiments and analysis of a flat plate suspended by wires. In the flutter analysis, Doublet-point method based on unsteady lifting surface theory is used to calculate the unsteady fluid force acting on the plate surface. Moreover, flutter velocity and frequency are examined through the root locus of the flutter determinant of the system with changing flow velocity. These results compared with experimental results. The influence of the suspension angle on the flutter velocity, frequency, and mode are clarified.

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