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RESPONSE AND EIGENFREQUENCIES OF ROTATING COMPOSITE CYLINDRICAL SHELLS

✍ Scribed by O. Rand; Y. Stavsky

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
457 KB
Volume
192
Category
Article
ISSN
0022-460X

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✦ Synopsis

A formulation and numerical solution are presented for the response and eigenfrequencies of cylindrical shells undergoing general angular velocity. This may simulate the structural dynamics of various engineering applications such as composite helicopter blades and satellites. The formulation of the inertial loads is based on a detailed distribution of the inertial acceleration along the circumference at each axial location. The solution is based on harmonic representation of the loads and the displacements in the circumferential direction, and a Galerkin-type global formulation for the axial direction. The parametric study presents the response, eigenfrequencies and stability of rotating shells as a function of the angular velocity, the geometrical parameters, material properties and layup.

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