Numerical analysis of the branching of solutions to nonlinear equations for cylindrical shells |
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Authors: | N I Obodan V A Gromov |
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Institution: | (1) Dnepropetrovsk National University, Dnepropetrovsk, Ukraine |
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Abstract: | A nonlinear boundary-value problem for shells is formulated. The problem statement permits us to analyze the behavior of the
postbuckling solutions in a finite-dimensional space with the dimension independent of the discretization technique. A branching
pattern is established for the solutions of the problem in the case of a uniform external pressure. Four characteristic types
of solution are recognized in the case of an arbitrary external pressure. The associated buckling loads are determined. It
is found out that five significant parameters are sufficient for a qualitative analysis of a cylindrical shell
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Translated from Prikladnaya Mekhanika, Vol. 42, No. 1, pp. 103–112, January 2006. |
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Keywords: | nonlinear boundary-value problem shell theory internal and external pressure buckling loads |
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