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Local and Interactive Post-buckling of Rhs Thin-walled Members — Comparing A New Special Beam Finite Element With Shell Fe Models

Author(s):


Medium: journal article
Language(s): English
Published in: International Journal of Structural Stability and Dynamics, , n. 2, v. 7
Page(s): 213-241
DOI: 10.1142/s0219455407002290
Abstract:

This paper presents a special thin-walled plane beam finite element that accounts for the in-plane cross-section local deformation. The element is based on the superposition of a classical beam displacement field and of an additional field describing local effects, with an approximation on the local second-order membrane stress field. The theoretical formulation is summarized and an application of the resulting numerical tool to the post-buckling analysis of RHS thin-walled members with moderate local and global slenderness susceptible to both global and local buckling is then performed. Different types of analyses are presented (computation of critical bifurcation loads, geometrically non-linear analysis, geometrically and materially non-linear analysis). The results obtained with the proposed beam finite element are compared to values provided by shell FE models.

Structurae cannot make the full text of this publication available at this time. The full text can be accessed through the publisher via the DOI: 10.1142/s0219455407002290.
  • About this
    data sheet
  • Reference-ID
    10353162
  • Published on:
    14/08/2019
  • Last updated on:
    14/08/2019
 
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