Buckling of elastic-plastic sandwich conical shells - theoretical studies

• Autorzy: Tertel E. , Cyganiuk J. , Kuryło P.
• Języki publikacji: EN

Abstrakty

EN

An analysis of elastic-plastic stability of sandwich conical shells is performed. The shells under consideration consist of two load-carrying face-layers and a core layer made of lightweight aerated plastics. The shell faces are made of isotropic, compressible and work-hardening materials. The thickness of those faces may vary, just as their material properties. The core layer is assumed to be elastic, incompressible in the normal z direction and it resists transverse shear only. A two-parametrical external load is assumed. Deformation of the shells into the plastic range is possible before buckling. The Nadai-Hencky deformation theory alongside with the H-M-H (Huber-Mises-Hencky) yield condition constitutive relations are adopted in the analysis. The strain energy approach and the Ritz method are used to derive and solve the stability equations.

Słowa kluczowe

EN

sandwich shells; buckling; plasticity; stability; strain energy

PL

powłoki warstwowe; wyboczenie; plastyczność; stabilność; energia odkształcenia

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2011
• Tom: Vol. 16, no 1
• Strony: 129--140
• Opis fizyczny: Bibliogr. 21 poz., rys., wykr.

Twórcy

autor

Tertel E.

autor

Cyganiuk J.

autor

Kuryło P.

• University of Zielona Góra, Department of Mechanics 65-246 Zielona Góra, ul. Szafrana 2, POLAND,

Bibliografia

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