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Local buckling strength of ring stiffened cylindrical shells under external pressure
Abstract The paper presents a non-linear buckling analysis of ring stiffened cylindrical shells subject to external pressure. The collapse pressure is calculated by assuming failure to occur when the material reaches a plastic stress state defined by the Ilyushin criterion. It is shown in the paper that use of the non-linear theory can reduce the estimated first yield by up to 25% in comparison to the linear buckling analysis used up to now. Comparison of predicted failure loads are in good agreement with the lower bound of test results.
Local buckling strength of ring stiffened cylindrical shells under external pressure
Abstract The paper presents a non-linear buckling analysis of ring stiffened cylindrical shells subject to external pressure. The collapse pressure is calculated by assuming failure to occur when the material reaches a plastic stress state defined by the Ilyushin criterion. It is shown in the paper that use of the non-linear theory can reduce the estimated first yield by up to 25% in comparison to the linear buckling analysis used up to now. Comparison of predicted failure loads are in good agreement with the lower bound of test results.
Local buckling strength of ring stiffened cylindrical shells under external pressure
Reis, A.J. (author) / Walker, A.C. (author)
Applied Ocean Research ; 5 ; 56-62
1983-01-01
7 pages
Article (Journal)
Electronic Resource
English
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