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Structural Engineering and Mechanics   Volume 35, Number 3, June20 2010, pages 335-348
DOI: https://doi.org/10.12989/sem.2010.35.3.335
 
Cutout shape and size effects on response of quasi-isotropic composite laminate under uni-axial compression
S.B. Singh and Dinesh Kumar

 
Abstract     [Buy Article]
    Cutouts are often provided in structural and aircraft components for ventilation, for access, inspection, electric lines and fuel lines or sometimes to lighten the structure. This paper addresses the effects of cutout shape (i.e., circular, square, diamond, elliptical-vertical and elliptical-horizontal) and size on buckling and postbuckling response of quasi-isotropic (i.e., (+45/−45/0/90)2s) composite laminate under uni-axial compression. The finite element method is used to carry out the investigation. The formulation is based on first order shear deformation theory and von Karman
 
Key Words
    buckling; composite laminates; cutouts; failure; postbuckling; strength.
 
Address
S.B. Singh: Department of Civil Engineering, Birla Institute of Technology and Science, Pilani 333031, India
Dinesh Kumar: Department of Mechanical Engineering, Birla Institute of Technology and Science, Pilani 333031, India
 

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