Journal
SADHANA-ACADEMY PROCEEDINGS IN ENGINEERING SCIENCES
Volume 39, Issue 3, Pages 583-596Publisher
SPRINGER INDIA
DOI: 10.1007/s12046-014-0250-9
Keywords
Buckling; rectangular cutout; linearly varying in-plane load; boundary conditions symmetrically laminated rectangular composite plates; finite element analysis; quasi-isotropic
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A numerical study is carried out using finite element method, to examine the effects of square and rectangular cutout on the buckling behavior of a sixteen ply quasi-isotropic graphite/epoxy symmetrically laminated rectangular composite plate [0 degrees/+45 degrees/-45 degrees/90 degrees](2s), subjected to various linearly varying in-plane compressive loads. Further, this paper addresses the effects of size of square/rectangular cutout, orientation of square/rectangular cutout, plate aspect ratio(a/b), plate length/thickness ratio(a/t), boundary conditions on the buckling bahaviour of symmetrically laminated rectangular composite plates subjected to various linearly varying in-plane compressive loading. It is observed that the various linearly varying in-plane loads and boundary conditions have a substantial influence on buckling strength of rectangular composite plate with square/rectangular cutout.
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