Abstract

This paper deals with the free vibration problem of a spinning annular disk with uniformly distributed masses attached to its outer edge. Mindlin's transverse shear deformation and rotary inertia terms are included in the eigenvalue formulation. The natural frequencies of the disk are computed by the Rayleigh-Ritz technique for the combination of boundary conditions with constraints at the inner edge and free at the outer boundary. The numerical results illustrating the effect of changing thickness for different values of edge masses have been presented in a non-dimensional form.

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