Free vibration analysis of cylindrical shell is the purpose of this work. The effect of the various parametric ratio like the diameter of the cylinder to the thickness of the cylinder i.e., D/t ratio, length of the cylinder to the diameter of the cylinder i.e., L/D ratio for cylindrical shell is studied using ANSYS parametric design language (APDL) based on First-order Shear Deformation Theory (FSDT) for different boundary conditions like CC, CS, and CF (S – simply supported, C – Clamped, and F – Free). The study has been compared with different material with different properties like Young’s modulus, Poisson’s ratio, etc. for the CC boundary conditions.

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