Finite Element Analysis for Combined Material and Geometric Nonlinearities

  • M. A. Crisfield


For a number of years, the author has used the finite element method to investigate the collapse strength of thin plated steel structures [1–3]. The work has been directed primarily towards steel bridges which are usually fabricated from engineering steel for which the stress-strain curve exhibits a significant plateau. The collapse behaviour usually involves an interaction between material and geometric non-linearities and is influenced by initial geometric imperfections and residual welding stresses. The present communication describes a number of numerical techniques that the author has developed in order to analyse such structures. The topics covered include approximate yield criteria, accelerated iterative methods and incremental solutions using a ‘length constraint’.


Yield Surface Residual Welding Stress Length Constraint Steel Bridge BFGS Method 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 1981

Authors and Affiliations

  • M. A. Crisfield
    • 1
  1. 1.Transport and Road Research LaboratoryCrowthorne, BerkshireUK

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