Abstract
This paper presents the bending analysis of sandwich shell panels having exponentially graded core with top and bottom facesheets which are composed of pure ceramic and pure metal respectively. The layerwise finite element formulation is developed by using a displacement field according to first-order shear deformation theory for each layer that maintains continuity at the layer interface. The governing differential equation for the present problem is obtained using the principle of minimum total potential energy. The correctness of the presented finite element formulation is established by validating the results obtained with the benchmark. Next, the bending responses for exponentially graded sandwich shell panels (E-FGM-SW) are obtained. The effect of parameters like curvature ratio and material properties on the bending responses of exponentially graded sandwich shell panels is investigated. It has been shown here that present layerwise finite element formulation is simple, accurate and widely applicable.
Published Version
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