Abstract
Panal flutter of an elliptic cylindrical shell exposed to an external supersonic air stream is investigated. Shallow cylindrical shell deformation theory and aerodynamic piston theory are used. The displacement function is expressed in two variants. A comparison between the results obtained by both versions is made. Numerical results for shells with different geometric parameters are shown. Hereby, the shell is considered as a system with two and with four degrees of freedom. The purpose of the investigation is to determine the variation of critical flutter Mach number with shell parameters.
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