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The free vibration analysis of joined conical–spherical panels and shells of revolution is the primary aim of this investigation. The equations of motion are derived by considering Donnell’s kinematic assumptions and the first-order shear deformation theory (FSDT), which considers the effects of shear deformation as well as rotational inertia. The equations of motion are discretized by using the two-dimensional generalized differential quadratic (2D-GDQ) method in the [Formula: see text] and [Formula: see text] directions for conical and spherical panels and shells, respectively. Natural frequencies of joined conical–spherical shells and panels are determined for different boundary conditions. The accuracy of results has been compared with the results of the other researchers and those obtained using Abaqus and Ansys, which showed good agreement. Moreover, the effects of length, thickness, and the angle of the semi-vertex of the conical shell on the dynamic behavior of joined spherical–conical panels/shells are investigated.
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Motazedian et al. (2024) studied this question.
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