Abstract
This paper presents an analytical study of double-wall-laminated fiber-reinforced cylindrical shell response to random loads. A soft viscoelastic core with dilatational modes included is used. The theory of laminated shells is simplified by assumptions similar to those in the Donnell-Mushtari development for isotropic shells. Modal solutions of simply supported shells are obtained. Modal frequencies and deflection response spectral densities are determined. It is found that this approach allows for easy parametric evaluation and that by proper selection of dynamic parameters, viscoelastic core characteristics, and fiber reinforcement orientation, vibration response can be reduced.
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