Limit Analysis of Frames Based on the Navier-Bernoulli Beam Model with Local Plasticity, Damage, and Hardening
Publication: Journal of Engineering Mechanics
Volume 140, Issue 10
Abstract
A simple and efficient procedure for the nonlinear analysis of frames is presented, which includes the elastoplastic behavior through the tangent elastoplastic stiffness matrix and the yield function affected by damage in each plastic beam end. An actual experiment and its modeling with finite-element software are used for the verification of the approach. An example is solved and compared with the finite-element study and the classic plastic method. The proposed method can be used to simply and accurately evaluate the collapse load of frames, considering a fully plastic nonlinear analysis and a bilinear constitutive law with hardening and damage.
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Acknowledgments
The authors thank the individuals at University of Liège, Belgium, especially Dr. G. Kerschen and Dr. J. P. Ponthot, for their teaching support and for allowing the use of some of their software.
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Published In
Journal of Engineering Mechanics
Volume 140 • Issue 10 • October 2014
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Aug 7, 2013
Accepted: Feb 27, 2014
Published online: Apr 1, 2014
Discussion open until: Sep 1, 2014
Published in print: Oct 1, 2014
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