The transition from moderately thick shells to thick shells of general shape by using finite element analysis

Tulay Aksu Ozkul*, Nail Kara, Nahit Kumbasar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Two types of shell bending elements are presented for the analysis of both moderately thick and thick shells of general shape. The first is a 2-D curved trapezoidal finite element with eight nodes, and it is based on a formulation that includes thickness shear deformation and does not neglect z / R in comparison with unity. The second is a 3-D rectangular prism isoparametric finite element with 20 nodes based on 3-D elasticity theory. To demonstrate the accuracy of these finite elements, a number of examples ranging from moderately thick to thick shell applications are presented and discussed with respect to thickness-to-shell radius ratios. In each example, the transitions from moderately thick shells to thick shells are calculated and compared with each other.

Original languageEnglish
Pages (from-to)247-260
Number of pages14
JournalFinite Elements in Analysis and Design
Volume43
Issue number3
DOIs
Publication statusPublished - Jan 2007

Keywords

  • Finite element
  • Moderately thick shell
  • Thick shell
  • Three-dimensional element
  • Two-dimensional element

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