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Structural Engineering and Mechanics Volume 24, Number 5, November30 2006 , pages 621-639 DOI: https://doi.org/10.12989/sem.2006.24.5.621 |
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Elasto-plastic stability of circular cylindrical shells subjected to axial load, varying as a power function of time |
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A. H. Sofiyev, E. Schnack and F. Demir
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| Abstract | ||
| Stability of a cylindrical shell subject to a uniform axial compression, which is a power function of time, is examined within the framework of small strain elasto-plasticity. The material of the shell is incompressible and the effect of the elastic unloading is considered. Initially, employing the infinitesimal elastic-plastic deformation theory, the fundamental relations and Donnell type stability equations for a cylindrical shell have been obtained. Then, employing Galerkin | ||
| Key Words | ||
| elasto-plastic stability; cylindrical shell; time dependent compressive axial load; critical parameters. | ||
| Address | ||
| A. H. Sofiyev; Department of Civil Engineering, Suleyman Demirel University, Isparta, Turkey E. Schnack; Institute of Solid Mechanics, Karlsruhe University, Karlsruhe, Germany F. Demir; Department of Civil Engineering, Suleyman Demirel University, Isparta, Turkey | ||