Stability and limit states of elastoplastic spherical shells under static and dynamic loading

The problem of elastoplastic deformation, buckling, and postcritical behavior of spherical shells is solved using a finite element method and a cross-type explicit scheme of time integration. Stability problems for hemispherical shells under external pressure and compression between rigid plates are...

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Bibliographic Details
Published in:Journal of applied mechanics and technical physics 2014, Vol.55 (1), p.8-15
Main Authors: Bazhenov, V. G., Gonik, E. G., Kibets, A. I., Shoshin, D. V.
Format: Article
Language:English
Subjects:
Applications of Mathematics
Classical and Continuum Physics
Classical Mechanics
Deformation
Elastoplasticity
Fluid- and Aerodynamics
Limit states
Loads (forces)
Mathematical analysis
Mathematical Modeling and Industrial Mathematics
Mechanical Engineering
Physics
Physics and Astronomy
Shells
Spherical shells
Stability
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Summary:The problem of elastoplastic deformation, buckling, and postcritical behavior of spherical shells is solved using a finite element method and a cross-type explicit scheme of time integration. Stability problems for hemispherical shells under external pressure and compression between rigid plates are considered. The influence of holes and boundary conditions on shell deformation is investigated. It is shown that the calculation results are in good agreement with experimental data.
ISSN:0021-8944
1573-8620
DOI:10.1134/S0021894414010027