Abstract
The present work deals with the development of a new layerwise quadrilateral finite element model for static and free vibration analyses of multi-layered sandwich plates. Unlike any other layerwise models, the number of variables is independent of the number of layers. The proposed model assumes higher-order displacement field for the core and first-order displacement field for the face sheets. Compatibility conditions are imposed at face sheets/core interfaces to satisfy the interlaminar displacement continuity. The performance of the proposed formulation is demonstrated by comparing the authors’ results with available analytical solutions and finite element models.
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