An accurate discrete model is presented here for the dynamics of simply supported web-core sandwich plates using the elasticity approach. By modelling the face-plates as 3D solids and the core webs using a plane stress idealization for transverse bending and classical one-dimensional models for lateral bending and torsion, the non-classical effects of transverse shear deformation, thickness-stretch and rotary inertia are completely accounted for in both, the face-plates and webs. Vibrational frequency results obtained using this model are used to highlight the errors of the commonly used model based on the classical Kirchhoff hypothesis for the face-plates, indicating the importance of using refined theories for modelling the face-plates.
An Accurate Discrete Model for the Dynamics of Web-Core Sandwich Plates
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Pydah, A. "An Accurate Discrete Model for the Dynamics of Web-Core Sandwich Plates." Proceedings of the ASME 2015 International Mechanical Engineering Congress and Exposition. Volume 4B: Dynamics, Vibration, and Control. Houston, Texas, USA. November 13–19, 2015. V04BT04A063. ASME. https://doi.org/10.1115/IMECE2015-50938
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