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VIBRATION AND STABILITY BEHAVIOR OF LAMINATED COMPOSITE CURVED PANELS WITH CUTOUT UNDER PARTIAL IN-PLANE LOADS

L. RAVI KUMAR

Department of Aerospace Engineering, Indian Institute of Technology, Kharagpur, 721 302, West Bengal, India

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P. K. DATTA

Department of Aerospace Engineering, Indian Institute of Technology, Kharagpur, 721 302, West Bengal, India

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, and

D. L. PRABHAKARA

Department of Civil Engineering, Malnad College of Engineering, Hassan, 573 201, Karnataka, India

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https://doi.org/10.1142/S0219455405001507Cited by:23 (Source: Crossref)

Abstract

The present paper is concerned with the vibration, buckling and dynamic instability behavior of laminated composite, cross-ply, doubly-curved panels with a central circular hole subjected to in-plane static and periodic compressive loads. A generalized shear deformable Sanders' theory is used to model the curved panels, considering the effects of transverse shear deformation and rotary inertia. Bolotin's approach is used for studying the dynamic instability regions of doubly-curved panels. The effects of non-uniform edge loads, curvature with different cutout ratios, static and dynamic load factors, and lamination parameters on curved panels are investigated with the results discussed.

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