2006•International Journal of Structural Stability and DynamicsRequires access

VIBRATION ANALYSIS OF A PRESTRESSED ROTATING CYLINDRICAL SHELL UNDER STATIONARY POINT LOAD

Dan Guo, Zhaochang Zheng

Abstract

The vibration responses of a pre-stressed rotating cylindrical shell under stationary constant point load are analyzed by numerical method. The cylindrical shell is modeled by a nine-node super-parametric finite element which includes the effects of transverse shear deformation, axial deformation and rotary inertia. The geometric nonlinearity due to large deformation is also considered in the model. The numerical integer method is applied to attain the vibration responses. The effects of initial axial stress and rotating speed on the vibration of cylindrical shell are investigated in detail.

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Key concepts: Vibration, Shell (structure), Rotary inertia, Finite element method, Structural engineering, Deformation (meteorology), Mechanics, Nonlinear system