A complementary energy-based formulation for torsional buckling analysis of columns

Erkmen, RE; Bradford, MA; Mohareb, ME

A complementary energy-based formulation for torsional buckling analysis of columns

Erkmen, RE Bradford, MA Mohareb, ME

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Publication Type:: Conference Proceeding
Citation:: Futures in Mechanics of Structures and Materials - Proceedings of the 20th Australasian Conference on the Mechanics of Structures and Materials, ACMSM20, 2008, pp. 843 - 847
Issue Date:: 2008-12-01

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Field	Value	Language
dc.contributor.author	Erkmen, RE	en_US
dc.contributor.author	Bradford, MA	en_US
dc.contributor.author	Mohareb, ME	en_US
dc.date.issued	2008-12-01	en_US
dc.identifier.citation	Futures in Mechanics of Structures and Materials - Proceedings of the 20th Australasian Conference on the Mechanics of Structures and Materials, ACMSM20, 2008, pp. 843 - 847	en_US
dc.identifier.isbn	9780415491969	en_US
dc.identifier.uri	http://hdl.handle.net/10453/31201
dc.description.abstract	A unique formulation for the elastic torsional buckling analysis of columns is developed based on the principle of stationary complementary energy. A complementary energy expression is obtained from the well known total potential energy functional by using Frederichs' transformation. In contrast to the flexural buckling analysis of columns, in which the principle of stationary complementary energy provides an upper bound prediction of the critical load, it is shown in the present work that a lower bound prediction of the torsional buckling load can be obtained. The convergence behaviour of the approximate solutions is illustrated through numerical examples for several columns with different boundary conditions. © 2009 Taylor & Francis Group, London.	en_US
dc.relation.ispartof	Futures in Mechanics of Structures and Materials - Proceedings of the 20th Australasian Conference on the Mechanics of Structures and Materials, ACMSM20	en_US
dc.title	A complementary energy-based formulation for torsional buckling analysis of columns	en_US
dc.type	Conference Proceeding
utslib.for	0905 Civil Engineering	en_US
dc.location.activity	Towoomba
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.publication-status	Published	en_US

Abstract:

A unique formulation for the elastic torsional buckling analysis of columns is developed based on the principle of stationary complementary energy. A complementary energy expression is obtained from the well known total potential energy functional by using Frederichs' transformation. In contrast to the flexural buckling analysis of columns, in which the principle of stationary complementary energy provides an upper bound prediction of the critical load, it is shown in the present work that a lower bound prediction of the torsional buckling load can be obtained. The convergence behaviour of the approximate solutions is illustrated through numerical examples for several columns with different boundary conditions. © 2009 Taylor & Francis Group, London.

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http://hdl.handle.net/10453/31201