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Buckling and initial post-local buckling behaviour of cold-formed channel member flange

Abstrakt

The initial post-buckling behaviour of a cold-formed channel member flange after its local buckling is investigated. An axially compressed column or beam subjected to pure bending is considered. The member material is assumed to follow a linear stress-strain relationship. The governing non-linear differential equation of the problem is derived using the minimum total potential energy principle. An approximate solution for the equation is found by means of the perturbation approach, which allows obtaining the critical buckling stress and the initial post-buckling equilibrium path. The bifurcation point is shown to be symmetric and stable. The proposed analytical solution is compared with finite element method (FEM) and finite strip method (FSM) results to check the validity and range of applicability.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
THIN-WALLED STRUCTURES nr 137, strony 177 - 184,
ISSN: 0263-8231
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Szymczak C., Kujawa M.: Buckling and initial post-local buckling behaviour of cold-formed channel member flange// THIN-WALLED STRUCTURES. -Vol. 137, (2019), s.177-184
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.tws.2019.01.011
Weryfikacja:
Politechnika Gdańska

wyświetlono 31 razy

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