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Title: Dynamic Instability of Laminated Composite Rectangular Plates Subjected to Non-Uniform Harmonic In-Plane Edge Loading
Authors: Sahu, S K
Datta, P K
Keywords: finite element method
dynamic instability
rectangular plates
Issue Date: 2000
Publisher: Professional Engineering Publishing
Citation: Proceedings of the I MECH E Part G Journal of Aerospace Engineering, Vol 214, Iss 5, P 295-312
Abstract: The dynamic instability behaviour of isotropic, cross-ply and angle-ply laminated composite plates under combined uniaxial and harmonically varying in-plane point or patch loads is investigated using finite element analysis. The first-order shear deformation theory is used to model the composite laminates, considering the effects of transverse shear deformation and rotary inertia. The effects of various geometrical parameters, boundary conditions, lamination and load parameters on the principal dynamic instability regions of composite plates are studied in detail. The preferential orientations depending on the instability regions for simply supported patch and point loaded plates have been suggested for angle-ply plates. The dynamic instability region has been influenced by the restraint provided at the edges
Description: Copyright for this article belongs to Professional Engineering Publishing
Appears in Collections:Journal Articles

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