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A Simple Formula for Complementing FE Analyses in the Estimation of the Effects of Local Conditions in Circular Cylindrical Shells

F. Guarracino 1
1 Department of Structural Engineering, University of Naples, Federico II, Italy

Computer Modeling in Engineering & Sciences 2011, 72(3), 167-184. https://doi.org/10.3970/cmes.2011.072.167

Abstract

The design of many engineering problems requires accurate test results and interpretation in order to evaluate the carrying capacity of circular cylindrical shells subjected to various loads including bending. Apparently anomalous values of axial tensile and compressive strains from recent test results have been lately investigated and explained using Finite Element modeling. As a complement to numerical analyses, in the present paper a simple analytical formula for the estimation of the effects of local conditions in tubes testing and design is provided on the basis of an extended Ritz's approach and of the general linear theory of shells. The findings are discussed and validated.

Keywords

Circular cylindrical shells, local effects, extended Ritz's method.

Cite This Article

Guarracino, F. (2011). A Simple Formula for Complementing FE Analyses in the Estimation of the Effects of Local Conditions in Circular Cylindrical Shells. CMES-Computer Modeling in Engineering & Sciences, 72(3), 167–184.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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