Calculation of thin-walled axisymmetrically loaded structures of the AIC taking into account FEM-based physical nonlinearity
2020
Dzhabrailov Arsen | Nikolaev Anatoly | Gureeva Natalya
The article describes an algorithm for calculating an axisymmetrically loaded shell structure with a branching meridian, taking into account elastic-plastic deformations when loading based on the deformation theory of plasticity without assuming that the material is incompressible during plastic deformations. The correct relations which determine the static conjugation conditions of several revolution shells in the joint assembly are used. A comparative analysis of finite element solutions is presented for various options plasticity matrix development at the loading stage.
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