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Torsional buckling of thin-walled beams in presence of bimoment induced by axial loads

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2015
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Authors
Prokić, Aleksandar
Mandić, Rastislav
Vojnić-Purcar, Martina
Folić, Radomir
Article (Published version)
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Abstract
In this paper the influence of the bimoment induced by external axial loads on the elastic torsional buckling of thin-walled beams with open cross-section is studied. The governing differential equations of a deformed thin-walled beam consistent with Vlasov's classical assumptions are derived applying the principle of virtual displacements. It is shown that in the cross sections with lack of symmetry the bimoment can considerably affect the torsional buckling load. The obtained results are verified using ANSYS finite element software.
Keywords:
bimoment / thin-walled beams / torsional buckling
Source:
Tehnički vjesnik / Technical Gazette, 2015, 22, 1, 183-189
Publisher:
  • Strojarski Facultet
Projects:
  • Computational mechanics in structural engineering (RS-174027)

DOI: 10.17559/TV-20140613113640

ISSN: 1330-3651

WoS: 000350664700023

Scopus: 2-s2.0-84923217866
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URI
http://grafar.grf.bg.ac.rs/handle/123456789/711
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