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The paper deals with local stability of the thin-walled compressed flange of channel columns and beams made of aluminum alloy. The aim of paper is to find critical stress of local buckling of the flange member taking into account the web-flange interaction in linear and nonlinear elastic range of the member material. The governing differential equation of the problem is derived with aid of the principle of stationary total potential energy. The equation solution leads to the critical buckling stress and assessment of the number of half-waves in linear elastic range of the member material. Taking into account these results the analytical formula of the critical buckling stress in nonlinear elastic range is established using the tangent modulus theory and the Ramberg-Osgood stress-strain relationship. Finally the analytical results for simply supported members are compared with the FEM solutions and good agreement is observed.
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Informacje szczegółowe
- Kategoria:
- Aktywność konferencyjna
- Typ:
- materiały konferencyjne indeksowane w Web of Science
- Tytuł wydania:
- 9th Polish National Conference on Applied Mechanics strony 1 - 8
- ISSN:
- 0094-243X
- Język:
- angielski
- Rok wydania:
- 2017
- Opis bibliograficzny:
- Szymczak C., Kujawa M..: Local buckling of thin-walled channel member flange made of aluminum alloy, W: 9th Polish National Conference on Applied Mechanics, 2017, ,.
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1063/1.4977688
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 91 razy