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On the linear panel flutter and divergence of an elliptic cylindrical shell

Authors
Journal
Journal of Constructional Steel Research
0143-974X
Publisher
Elsevier
Publication Date
Volume
21
Identifiers
DOI: 10.1016/0143-974x(92)90030-i

Abstract

Abstract Using Vlasov's general moment technical theory of elastic shells, the present paper derives the equations of equilibrium of a cylindrical shell with an arbitrary but slowly varying curvature of the cross-section. Supersonic flutter and divergence of one cylindrical shell with an elliptic cross-section are investigated numerically. The investigation is based on the linearized shallow-shell theory and on the aerodynamic piston theory. The shell is considered as a system with two (respectively with four) degrees of freedom. In a linear statement the stability region of the shell is determined by simultaneous action of both aerodynamic pressure and external axial load.

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