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Buckling Analysis of Laminated Composite Plates under the In-plane Compression and Shear Loadings

면내 압축 및 전단하중을 받는 적층복합판의 좌굴 해석

  • Lee, Won-Hong (Department of Civil Engineering, Jinju National University) ;
  • Han, Sung-Cheon (Department of Civil & Railroad Engineering, Daewon University College) ;
  • Park, Weon-Tae (Division of Construction and Environmental Engineering, Kongju National University)
  • 이원홍 (진주산업대학교 토목공학과) ;
  • 한성천 (대원대학 철도건설과) ;
  • 박원태 (공주대학교 건설환경공학부)
  • Received : 2010.10.21
  • Accepted : 2010.12.17
  • Published : 2010.12.31

Abstract

In this paper, we investigate the buckling analysis of laminated composite plates, using a improved assumed natural strain shell element. In order to overcome membrane and shear locking phenomena, the assumed natural strain method is used. The eigenvalues of the laminated composite plates are calculated by varying the width-thickness ratio and angle of fiber. To improve an shell element for buckling analysis, the new combination of sampling points for assumed natural strain method was applied and the refined first-order shear deformation theory which allows the shear deformation without shear correction factor. In order to validate the present solutions, the reference solutions are used and discussed. The results of laminated composite plates under the in-plane shear loading may be the benchmark test for the buckling analysis.

Keywords

Buckling analysis;In-plane shear loading;First-order shear deformation theory;Assumed natural strain;Laminated composite plates

Acknowledgement

Supported by : 진주산업대학교

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