Modelling Buckling Interaction

  • Eduardo de Miranda Batista
Part of the CISM International Centre for Mechanical Sciences book series (CISM, volume 470)


The following six sections deal with the problem of coupled instability. The presentation is mainly addressed to steel structures because of the large application of light construction, which conduct to thin-walled members. In this case two main phenomena are to be considered: torsional behavior and local buckling. The former recommends the knowledge of the Vlasov’s theory of beams and the last is to be taken on the basis of the theory of elastic stability. Additionally, interaction between buckling modes may conduct to coupled behavior with important consequences to the member strength. To accomplish a general overview of the buckling interaction of thin-walled members one must be able to deal with the general theory of the elastic stability, as well as to apply numerical solutions for both linear and nonlinear buckling and include experimental analysis results to obtain more profound comprehension of the problem. Finally, one must consider that practical design rules must incorporate the fundaments of the coupled instability theory.


Limit Load Plate Element Local Buckling Collapse Mechanism Initial Imperfection 
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Copyright information

© CISM, Udine 2005

Authors and Affiliations

  • Eduardo de Miranda Batista
    • 1
    • 2
  1. 1.Civil Engineering ProgramCOPPE/Federal University of Rio de JaneiroRio de JaneiroBrazil
  2. 2.Applied Mechanics and Structures Department, Polytechnic SchoolFederal University of Rio de JaneiroRio de JaneiroBrazil

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