EFFECT OF MATERIAL ANISOTROPY ON BUCKLING LOAD ANALYSIS OF SYMMETRIC CROSS – PLY LAMINATED COMPOSITE PLATE

Biligirinayaka M, Yogishkumar S V, Sheshagiri  A T

EFFECT OF MATERIAL ANISOTROPY ON BUCKLING LOAD ANALYSIS OF SYMMETRIC CROSS – PLY LAMINATED COMPOSITE PLATE

Authors: Biligirinayaka M, Yogishkumar S V, Sheshagiri A T

Unique Paper ID: 174373
Volume: 9
Issue: 6
PageNo: 842-847

Keywords: Aspect ratio Buckling load Modulus ratio Boundary Conditions.

Abstract:
The finite element method is employed to assess the biaxial effects of in-plane compressive stresses on thin rectangular laminated composite plates. The classic laminated plate theory (CLPT) employed in this investigation fails to accommodate shear deformations. This hypothesis posits that each lamina demonstrates linear elasticity, with a comprehensive interconnection between layers, resulting in the laminate being subjected to plane strain. The classical laminated plate theory (CLPT) builds upon the classical plate theory (CPT) by positing that the mid-surface normal retains its straightness both prior to and following deformation. This theory is thus exclusively relevant to the examination of buckling phenomena in thin laminates. The Fortran programming language was created with this objective in mind. An analysis of the finite element solutions pertaining to the biaxial buckling of thin laminated rectangular plates, juxtaposed with diverse theoretical and experimental findings, serves as a means to evaluate the convergence and accuracy of the results obtained. Recent numerical findings have been generated concerning in-plane compressive biaxial buckling, aimed at examining the influences of the laminar arrangement, aspect ratio, material anisotropy, fiber orientation of layers, reversed laminar arrangement, and boundary conditions. The variation in buckling load is contingent upon the type of end support employed, exhibiting different rates of change across mode numbers. Moreover, it was demonstrated that an increase in the mode number necessitated additional support for the plate.

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ISSN: 2349-6002
Volume: 9
Issue: 6
PageNo: 842-847

EFFECT OF MATERIAL ANISOTROPY ON BUCKLING LOAD ANALYSIS OF SYMMETRIC CROSS – PLY LAMINATED COMPOSITE PLATE

Available:https://ijirt.org/Article?manuscript=174373

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