Non-linear thermal buckling analysis of thin-walled beam structures

Authors

  • Igor Pešić Faculty of Engineering University of Rijeka
  • Domagoj Lanc Department of Engineering Mechanics, Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka
  • Goran Turkalj Department of Engineering Mechanics, Faculty of Engineering, University of Rijeka, Vukovarska 58, 51000 Rijeka

Keywords:

thermal buckling, stability, thin-walled beams, finite elements

Abstract

The paper presents an algorithm for thermal buckling analysis of thin-walled beam-type structures. One-dimensional finite element is employed under assumptions of large displacements, large rotation effects but small strains. Stability analysis is performed in load  deflection manner using co-rotational formulation. The cross- section mid-line contour is assumed to remain not deformed in its own plane and the shear strains of middle surface are neglected. The material properties of the beam are temperature-dependent. Results are validated on test examples.

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Published

2015-10-13

Issue

Engineering Review, Vol. 35, No. 3

Section

Articles

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