Nonlinear inelastic dynamic analysis of I-beams curved in-plan

Erkmen, RE; Bradford, MA

Nonlinear inelastic dynamic analysis of I-beams curved in-plan

Erkmen, RE Bradford, MA

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Publication Type:: Journal Article
Citation:: Journal of Structural Engineering, 2011, 137 (11), pp. 1373 - 1380
Issue Date:: 2011-01-01

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Field	Value	Language
dc.contributor.author	Erkmen, RE	en_US
dc.contributor.author	Bradford, MA	en_US
dc.date.issued	2011-01-01	en_US
dc.identifier.citation	Journal of Structural Engineering, 2011, 137 (11), pp. 1373 - 1380	en_US
dc.identifier.issn	0733-9445	en_US
dc.identifier.uri	http://hdl.handle.net/10453/18343
dc.description.abstract	This paper presents a finite-element formulation for the dynamic analysis of I-beams curved in-plan, in which geometric nonlinearities owing to large deflections and inelastic material behavior are taken into account. The developed finite element is based on the total Lagrangian formulation. Wagner and warping effects are considered in the analysis. The nonlinear dynamic equilibrium equations are solved by using Newmark's step by step numerical integration procedure. The von Mises associative isotropic hardening model is used to formulate the metal plasticity. The elastic predictor-radial corrector algorithm is used to consider gradual yielding on the cross section and along the beam. Simpler finite-element formulations are also developed by excluding the effects of geometric and material nonlinearities. Numerical examples are provided to illustrate the significance of the effects of geometric and material nonlinearities on the dynamic behavior of I-beams that are curved in-plan. © 2011 American Society of Civil Engineers.	en_US
dc.relation.ispartof	Journal of Structural Engineering	en_US
dc.relation.isbasedon	10.1061/(ASCE)ST.1943-541X.0000383	en_US
dc.subject.classification	Civil Engineering	en_US
dc.title	Nonlinear inelastic dynamic analysis of I-beams curved in-plan	en_US
dc.type	Journal Article
utslib.citation.volume	11	en_US
utslib.citation.volume	137	en_US
utslib.for	0905 Civil Engineering	en_US
utslib.for	0912 Materials Engineering	en_US
utslib.for	0913 Mechanical Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
pubs.organisational-group	/University of Technology Sydney/Strength - CBI - Centre for Built Infrastructure
utslib.copyright.status	closed_access
pubs.issue	11	en_US
pubs.publication-status	Published	en_US
pubs.volume	137	en_US

Abstract:

This paper presents a finite-element formulation for the dynamic analysis of I-beams curved in-plan, in which geometric nonlinearities owing to large deflections and inelastic material behavior are taken into account. The developed finite element is based on the total Lagrangian formulation. Wagner and warping effects are considered in the analysis. The nonlinear dynamic equilibrium equations are solved by using Newmark's step by step numerical integration procedure. The von Mises associative isotropic hardening model is used to formulate the metal plasticity. The elastic predictor-radial corrector algorithm is used to consider gradual yielding on the cross section and along the beam. Simpler finite-element formulations are also developed by excluding the effects of geometric and material nonlinearities. Numerical examples are provided to illustrate the significance of the effects of geometric and material nonlinearities on the dynamic behavior of I-beams that are curved in-plan. © 2011 American Society of Civil Engineers.

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http://hdl.handle.net/10453/18343