Stability of anisotropic cylindrical shells in three-dimensional state under axial compression

• Autorzy: Trach V. , Semenuk M. , Podvornyi A.

Warianty tytułu

PL

Stateczność osiowo ściskanych trójwymiarowych anizotropowych powłok cylindrycznych

• Języki publikacji: EN

Abstrakty

EN

The paper presents an approach to the solution of a problem of stability of cylindrical anisotropic shells under the influence of axial compression. The approach is based on the application of the Bubnov-Galerkin procedure, taking into account boundary conditions on surfaces and end edges of cylindrical shells as well as on the application of a numerical method of discrete orthogonalization. It has been solved a problem of stability of cylindrical shells made of a material characterized by one plane of elastic symmetry. It has been investigated a dependence of values of critical stresses on the rotation angle of main directions of elasticity properties in respect to the main curvatures of the cylindrical shell. The results are presented in form of graphs and provided in the tables. Their analysis also has been carried out.

PL

Przedstawiono próbę do rozwiązania problemu stateczności anizotropowych powłok cylindrycznych pod naciskiem osiowym, które opiera się na procedurze Bubnova-Galerkina przy wykorzystaniu warunków brzegowych na powierzchni i na krawędzi powłok cylindrycznych oraz na metodzie numerycznej ortogonalizacji dyskretnej. Rozwiązano problem stateczności powłok cylindrycznych wykonanych z materiału charakteryzującego się jedną płaszczyzną symetrii. Badano zależność obciążenia krytycznego od kąta obrotu głównych kierunków sprężystości. Wyniki obliczeń przedstawiono na wykresach i tabelach, ponadto przeprowadzono ich analizę.

Słowa kluczowe

EN

cylindrical shell; axial compression; stability

• Wydawca: -
• Czasopismo: Acta Scientiarum Polonorum. Architectura
• Rocznik: 2016
• Tom: 15
• Numer: 4
• Opis fizyczny: p.169-183,fig.,ref.

Twórcy

autor

Trach V.

• Faculty of Civil and Environmental Engineering, Warsaw University of Life Sciences - SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland

autor

Semenuk M.

• S.P. Timoshenko Institute of Mechanics, NAS of Ukraine, Kyiv, Ukraine

autor

Podvornyi A.

• National University of Water Management and Nature Resources Use, Rivne, Ukraine

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