What question did this study set out to answer?

This research aims to develop an analytical method for understanding the vibration characteristics of coupled plate-cylindrical shell structures.

An Analytical Solution for Free Vibration Research of Coupled Rectangular Plate–Cylindrical Shell Structures

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Analytical model assesses vibration characteristics in coupled plate–shell structures, indicating accurate predictions for design and testing.

This research aims to develop an analytical method for understanding the vibration characteristics of coupled plate-cylindrical shell structures.
Decomposed coupled structure along the plate-shell interface
Applied Gorman's superposition method for simplification
Derived dynamic stiffness matrices for each substructure
Conducted numerical simulations to validate the model
Established a test rig for modal experiments
Accurate predictions of natural frequencies and mode shapes
Dynamic behaviors of the coupled system verified against numerical simulations
Model shows good convergence and accuracy in analysis

Song et al. (2026) studied this question.

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Analytical model assesses vibration characteristics in coupled plate–shell structures, indicating accurate predictions for design and testing.