RESPONSE AND EIGENFREQUENCIES OF ROTATING COMPOSITE CYLINDRICAL-SHELLS

A formulation and numerical solution are presented for the response an d eigenfrequencies of cylindrical shells undergoing general angular ve locity. This may simulate the structural dynamics of various engineeri ng applications such as composite helicopter blades and satellites. Th e formulation of the inertial loads is based on a detailed distributio n of the inertial acceleration along the circumference at each axial l ocation. The solution is based on harmonic representation of the loads and the displacements in the circumferential direction, and a Galerki n-type global formulation for the axial direction. The parametric stud y presents the response, eigenfrequencies and stability of rotating sh ells as a function of the angular velocity, the geometrical parameters , material properties and layup. (C) 1996 Academic Press Limited