Numerical analysis of compressed plates with a cut-out operating in the geometrically nonlinear range

• Autorzy: Falkowicz K. , Ferdynus M. , Dębski H.

Warianty tytułu

PL

Numeryczne badania pracy ściskanych elementów płytowych z wycięciem w zakresie geometrycznie nieliniowym

• Języki publikacji: EN PL

Abstrakty

EN

This paper presents the results of a numerical analysis conducted to investigate uniformly compressed rectangular plates with different cut-out sizes. Made of high strength steel, the plates are articulatedly supported on their shorter edges. The FEM analysis examines the nonlinear stability of these structures in the post-buckling state, where the mode of buckling is forced to ensure their stable behaviour. The numerical computations are performed within the geometrically nonlinear range until the yield point is reached. The investigation involves determining the effect of cut-out sizes on elastic properties of the plates with respect to service loads. The numerical analysis is conducted using the ABAQUS software.

PL

Przedmiotem badań są prostokątne płyty z wycięciem o zmiennych parametrach geometrycznych poddane równomiernemu ściskaniu. Płyty podparte przegubowo na krótszych krawędziach wykonano ze stali o wysokich właściwościach wytrzymałościowych. Badania dotyczyły numerycznej analizy MES nieliniowej stateczności konstrukcji znajdujących się w stanie pokrytycznym z wymuszoną postacią wyboczenia zapewniającą stateczny charakter pracy konstrukcji. Obliczenia prowadzono w zakresie geometrycznie nieliniowym do uzyskania poziomu granicy plastyczności materiału. Badano wpływ parametrów geometrycznych wycięcia na charakterystykę sprężystą płyty w zakresie obciążeń eksploatacyjnych. Zastosowanym narzędziem numerycznym był program ABAQUS.

Słowa kluczowe

EN

thin-walled structures; finite element method; numerical analysis; thin-walled elastic elements; plate stability

PL

konstrukcje cienkościenne; metoda elementów skończonych; analiza numeryczna; elementy sprężyste cienkościenne; stateczność konstrukcji płytowych

• Wydawca: Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne
• Czasopismo: Eksploatacja i Niezawodność
• Rocznik: 2015
• Tom: Vol. 17, no. 2
• Strony: 222--227
• Opis fizyczny: Bibliogr. 30 poz., rys., tab.

Twórcy

autor

Falkowicz K.

• Faculty of Mechanical Engineering Lublin University of Technology ul. Nadbystrzycka 36, 20-816 Lublin, Poland

autor

Ferdynus M.

• Faculty of Mechanical Engineering Lublin University of Technology ul. Nadbystrzycka 36, 20-816 Lublin, Poland

autor

Dębski H.

• Faculty of Mechanical Engineering Lublin University of Technology ul. Nadbystrzycka 36, 20-816 Lublin, Poland

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