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Erschienen in:
2018 | OriginalPaper | Buchkapitel
Finite Element Modeling of the Creep of Shells of Revolution Under Axisymmetric Loading
verfasst von : Anton Chepurnenko, Natalia Neumerzhitskaya, Michael Turko
Erschienen in: International Scientific Conference Energy Management of Municipal Transportation Facilities and Transport EMMFT 2017
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Abstract
The article is devoted to the development of a method for calculating the shells of revolution under conditions of axisymmetric loading, taking into account the viscoelastic properties of the material. When solving the problem, finite element modeling is used. The derivation of the resolving equations for one-dimensional axially symmetric finite elements in the form of truncated cones with allowance for creep is presented. The solution is performed in a quasi-static setting: the calculation is performed step-by-step, the creep strains are assumed to be constant at each step, and a linear approximation of the deformation growth rate is used to determine their values at the next step. Calculations were made in the package Matlab.