NDLI: A Parametric study on the effect of elliptical cutouts for buckling behavior of composite plates under non-uniform edge loads

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A Parametric study on the effect of elliptical cutouts for buckling behavior of composite plates under non-uniform edge loads

Content Provider	Scilit
Author	Subash, Chandra K. S. Rajanna, T. Rao, K. Venkata
Copyright Year	2020
Description	The solution for the buckling problem of composite laminates is usually based on the assumption that the panels are subjected to uniform edge loads without any discontinuity or damage. Nevertheless, in practice, the panels are provided with various sized opening subjected to non-uniform edge loads. Hence in this work, a finite element analysis is carried out to study the buckling behaviour of composite laminates with various sized elliptical openings under non-uniform edge loads. In the FE formulation, the panels are discretised by adopting 9-noded heterosis element and incorporating the effect of shear deformation and rotary inertia. The correctness of the formulation is validated by correlating the results with available literature. The influence of different sized elliptical cutouts on the buckling behaviour is investigated under the compressive and tensile type of non-uniform in-plane edge loads. The effect of various parameters such as cutout size, ply-orientation, ellipse-orientation, boundary condition and panel thickness is included in this work. It is observed from this work that the elliptical vertical cutout has higher buckling resistance as compared to that of the elliptical horizontal cutout.
Related Links	http://www.scielo.br/pdf/lajss/v17n8/1679-7825-lajss-17-08-e328.pdf
ISSN	16797817
e-ISSN	16797825
DOI	10.1590/1679-78256225
Journal	Latin American Journal of Solids and Structures
Issue Number	8
Volume Number	17
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2020-01-01
Access Restriction	Open
Subject Keyword	Latin American Journal of Solids and Structures Composite Materials Elliptical Cutout uniform Load Tensile Buckling Compressive Buckling noded Heterosis Element
Content Type	Text
Resource Type	Article
Subject	Civil and Structural Engineering Ocean Engineering Mechanics of Materials Automotive Engineering Materials Science Mechanical Engineering Aerospace Engineering

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