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Structural Engineering and Mechanics
  Volume 3, Number 1, January 1995, pages 49-60
DOI: http://dx.doi.org/10.12989/sem.1995.3.1.049
 


VIBRATION AND STABILITY ANALYSES OF THICK ANISOTROPIC COMPOSITE PLATES BY FINITE STRIP METHOD
AKHRAS G, CHEUNG MS, LI W

 
Abstract
    In the present study, a finite strip method for the vibration and stability analyses of anisotropic laminated composite plates is developed according to the higher-order shear deformation theory. This theory accounts for the parabolic distribution of the transverse shear strains through the thickness of the plate and for zero transverse shear stresses on the plate surfaces. In comparison with the finite strip method based on the first-order shear deformation theory, the present method gives improved results for very thick plates while using approximately the same number of degrees of freedom. It also eliminates the need for shear correction factors in calculating the transverse shear stiffness.
A number of numerical examples are presented to show the effect of aspect ratio, length-to-thickness ratio, number of plies, fibre orientation and stacking sequence on the natural frequencies and critical buckling loads of simply supported rectangular cross-ply and arbitrary angle-ply composite laminates.


 
Key Words
    COMPOSITE PLATES, VIBRATION, STABILITY, HIGHER ORDER SHEAR DEFORMATION, FINITE STRIP METHOD
 
Address
AKHRAS G, ROYAL MIL COLL CANADA,DEPT CIVIL ENGN,KINGSTON,ON K7K 5L0,CANADA
UNIV OTTAWA,DEPT CIVIL ENGN,OTTAWA,ON K1N 9B4,CANADA
 

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