Implementation of incremental yield conditions in spherical coordinates

The application of incremental plasticity conditions in the axisymmetric problem of a spherical tank loaded with internal and external pressure is considered. Inhomogeneous stress distribution leads to increased limiting gradient stresses, which depend on the internal cavity size. For the tanks of r...

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Bibliographic Details
Published in:E3S Web of Conferences 2021, Vol.281, p.1002
Main Authors: Kalashnikov, Sergey, Gurova, Elena
Format: Article
Language:English
Subjects:
Deformation effects
External pressure
Spherical coordinates
Spherical tanks
Stress distribution
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Summary:The application of incremental plasticity conditions in the axisymmetric problem of a spherical tank loaded with internal and external pressure is considered. Inhomogeneous stress distribution leads to increased limiting gradient stresses, which depend on the internal cavity size. For the tanks of real dimensions, the magnification limits are established for different laws of approximation of the deformations’ constraint gradient effect.
ISSN:2267-1242
2555-0403
2267-1242
DOI:10.1051/e3sconf/202128101002