Buckling and Free Vibrations of Sandwich General shells of Revolution with Composite facings and Viscoelastic core under Thermal Environment using Semi-analytical Method
Sharnappa; N. Ganesan; and Raju Sethuraman

Source CMES: Computer Modeling in Engineering & Sciences, Vol. 18, No. 2, pp. 121-144, 2007
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Keywords Vibration, Complex modulus, Thermal environment, Buckling analysis.
Abstract This article presents the study on buckling and free vibration behavior of sandwich general shells of revolution under thermal environment using Wilkins theory. The temperature assumes to be uniform over the shell structure. The numerical analysis is based on the semi-analytical finite element method applicable to thick shells. The analysis is carried out for different geometry such as truncated conical and hemispherical shells with various facing and core materials under clamped-clamped boundary condition. The parametric study is carried out for different core to facing$(t_{c}/t_{f})$ thickness ratio by considering the temperature dependent and independent material properties of the viscoelastic cores.
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