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Finite element modelling of cold formed stainless steel columns

Macdonald, Martin and Rhodes, J. (2004) Finite element modelling of cold formed stainless steel columns. Acta Polytechnica Scandinavica Applied Physics Series, 45 (3). pp. 92-98. ISSN 0355-2721

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Abstract

This paper describes the results obtained from a finite element investigation into the load capacity of column members of lipped channel cross-section, cold formed from Type 304 stainless steel, subjected to concentric and eccentric compression loading. The main aims of this investigation were to determine the effects which the non-linearity of the stress-strain behaviour of the material would have on the column behaviour under concentric or eccentric loading. Stress-strain curves derived from tests and design codes are incorporated into non-linear finite element analyses of eccentrically loaded columns and the results obtained are compared with those obtained on the basis of experiments on stainless steel channel columns with the same properties and dimensions. Comparisons of the finite element results and the test results are also made with existing design specifications and conclusions are drawn on the basis of the comparisons.