This paper deals with the study of dynamic behavior of anisotropic cylindrical shells, based on refined shell theory, subjected simultaneously to an internal and external fluid. In the present theory, the transverse shear deformation effect is taken into account, therefore, the equations of motion are determined with displacements and transverse shear as independent variables. The solution is divided into three parts: In Section 2, the displacement functions are derived from the exact solution of refined shell equations based on orthogonal curvilinear coordinates. The mass and stiffness matrices of each structural element are derived by exact analytical integration. In Section 3, the velocity potential, Bernoulli’s equation and impermeability condition have been applied to the shell fluid interface to obtain an explicit expression for fluid pressure which yields three forces (inertial, centrifugal, Coriolis). Numerical examples are given in Section 4 for the free vibration of laminated composite and isotropic materials for both open and closed circular cylindrical shells. Reasonable agreement is found with other theories and experiments.
Dynamic Analysis of Anisotropic Cylindrical Shells Containing Flowing Fluid
Contributed by the Pressure Vessels and Piping Division and presented at the Pressure Vessels and Piping Conference, Atlanta, Georgia, July 22–26, 2001, of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS. Manuscript received by the PVP Division, April 3, 2001; revised manuscript received June 22, 2001. Associate Editor: M. J. Pettigrew.
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Toorani, M. H., and Lakis, A. A. (June 22, 2001). "Dynamic Analysis of Anisotropic Cylindrical Shells Containing Flowing Fluid ." ASME. J. Pressure Vessel Technol. November 2001; 123(4): 454–460. https://doi.org/10.1115/1.1401023
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