Abstract
The static instability of a slender front-free-aft-fixed elastic strip in the nuiform air stream the free end of which is the leading edge is studied analytically. The elastic strip is held vertically. The analysis is performed using the slender wing theory and beam theory and the effect of gravity force are considered that is the effect of the lateral buckling due to the gravity force. The approximate analysis is done by using energy method, and the static aeroelastic divergence speed is obtained. When the flexural rigidity approaches to the lateral buckling condition, the aeroelastic divergence speed becomes lower till zero wind speed.
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