Abstract
The vibration characteristics of laminated sandwich plates subjected to in-plane forces is studied taking imperfections at the layer interfaces. The plate problem, which is unattended so far, is modeled by a refined plate theory where the transverse shear stress has parabolic through thickness variation with continuity at the layer interfaces and it becomes zero at the plate top and bottom surfaces. The interfacial imperfection is represented by a linear spring layer model. Based on these a new triangular element is developed where proper attention has been paid on the inter-elemental continuity requirement posed by the plate theory.
Issue Section:
Technical Papers
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