Experimental and numerical investigations of ultimate strength of imperfect stiffened plates of different slenderness - Publikacja - MOST Wiedzy

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Experimental and numerical investigations of ultimate strength of imperfect stiffened plates of different slenderness

Abstrakt

The objective of this study is to analyse the behaviour of compressed stiffened plates of different slenderness using experimental and numerical methods. The presented results are part of a long-term project to investigate the ultimate strength of geometrically imperfect structures subjected to different degradation phenomena, including corrosion degradation and locked cracks. Several specimens were subjected to a uniaxial compressive force, and the most important quantities related to the structural behaviour were captured and analysed. A finite element model, accounting for material and geometrical nonlinearities and initial geometrical imperfections, was developed using the commercial software ANSYS. The residual welding-induced stresses were measured in the middle cross-section for two specimens. The initial imperfection was identified by employing a close-range photogrammetry approach. It was concluded that the numerical analyses, based on the finite element model, predict the ultimate strength of stiffened plates accurately, although some deviations were also observed. The detailed analysis with the indication of possible uncertainty is presented, and several conclusions are derived.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
Polish Maritime Research nr 27, strony 120 - 129,
ISSN: 1233-2585
Język:
angielski
Rok wydania:
2020
Opis bibliograficzny:
Wołoszyk K., Garbatov Y., Kowalski J., Samson L.: Experimental and numerical investigations of ultimate strength of imperfect stiffened plates of different slenderness// Polish Maritime Research -Vol. 27,iss. 4(108) (2020), s.120-129
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.2478/pomr-2020-0072
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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