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Adaptive finite element buckling analysis of folded plate structures using variable-node flat shell elements

  • Structural Engineering
  • Published:
KSCE Journal of Civil Engineering Aims and scope

Abstract

The finite element linear buckling analysis of folded plate structures using adaptive h-refinement methods is presented in this paper. The variable-node flat shell element used in this study (CLS, Choi and Lee, 1996) possesses the drilling D.O.F. which, in addition to improvement of the element behavior, permits an easy connection to other elements with six degrees of freedom per a node. Accordingly, the folded plate structures, for which it is hard to find the analytical solutions, can be analyzed using these developed flat shell elements. By introducing the variable-node elements, which have physical mid-side nodes, some difficulties associated with connecting the different layer patterns, which are common in the adaptive h-refinement on quadrilateral mesh, can be overcome. To obtain better stress field for the error estimation, the super-convergent patch recovery is used. The convergent buckling modes and the critical loads associated with these modes can be obtained. Analysis results of a few numerical examples are shown and compared with other researchers' results available.

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Authors and Affiliations

  1. Department of Civil Engineering, The University of Tokyo, Japan

    Myung-Kwan Song Ph.D. (Member, Postdoctoral Researcher)

  2. Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, Korea

    In-Seon Han Ph.D. Candidate

  3. Department of Civil Engineering, Youngdong University, Korea

    Sun-Hoon Kim Ph.D. (Member, Associate Professor)

Authors
  1. Myung-Kwan Song Ph.D.
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  2. In-Seon Han Ph.D. Candidate
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  3. Sun-Hoon Kim Ph.D.
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Correspondence to Myung-Kwan Song Ph.D..

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Song, MK., Han, IS. & Kim, SH. Adaptive finite element buckling analysis of folded plate structures using variable-node flat shell elements. KSCE J Civ Eng 8, 635–641 (2004). https://doi.org/10.1007/BF02823554

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  • DOI: https://doi.org/10.1007/BF02823554

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