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Nonlinear buckling analysis of two-dimensional frames composed of curved non-prismatic members

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Abstract

A novel finite element methodology is presented for the analysis of arbitrarily shaped two-dimensional frames composed of curved non-prismatic members. The method utilizes a hybrid-mixed approach in conjunction with an updated Lagrangian formulation. The proposed methodology goes beyond existing modelling capabilities for it enables a more realistic analysis of the nonlinear response of thin-walled frames undergoing large deflections (displacements and/or rotations) in the pre- and postbuckling range. Efficiency, accuracy and reliability of the proposed method are demonstrated on the basis of numerical experiments carried out on several typical examples.

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Authors and Affiliations

  1. Department of Civil Engineering, University of Rhode Island, Kingston, RI, USA

    Dimitrios Karamanlidis (Assistant Professor) & Raja Jasti (Graduate Student)

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  1. Dimitrios Karamanlidis
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  2. Raja Jasti
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Karamanlidis, D., Jasti, R. Nonlinear buckling analysis of two-dimensional frames composed of curved non-prismatic members. Forsch Ing-Wes 53, 110–112 (1987). https://doi.org/10.1007/BF02558723

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  • DOI: https://doi.org/10.1007/BF02558723

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