Material Nonlinear Analysis of Thin‐Walled Beams
Publication: Journal of Structural Engineering
Volume 120, Issue 10
Abstract
The present paper is concerned with the analysis of thin‐walled beams of arbitrary open or closed cross section undergoing elastoplastic deformations. The general approach to the solution of the problem is based on the finite‐element method and incremental solution techniques. A new model of describing the warping of a cross section that allows for shear deformation is applied. Linear and elastoplastic stiffness matrices are given using Von Mises yield condition with isotropic hardening. Numerical examples are given to demonstrate the accuracy and efficiency of the present method. The numerical results show excellent agreement with experimental results. A shear lag phenomenon, as special case of general analysis, is considered as well.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 120 • Issue 10 • October 1994
Pages: 2840 - 2852
Copyright
Copyright © 1994 American Society of Civil Engineers.
History
Received: Aug 24, 1993
Published online: Oct 1, 1994
Published in print: Oct 1994
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