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Publications
Xu, M.C. and Guedes Soares, C. (2011), “Numerical study of the effect of geometry and boundary conditions on the collapse behaviour of short stiffened panels”, Maritime Engineering and TechnolAdvances in Marine Structures, C. Guedes Soares and W. Fricke, (Eds.), Taylor & Francis Group, London, UK, pp. 229-237
A numerical study is conducted to analyze the influences of the stiffener’s geometry and panel boundary conditions on the ultimate strength of stiffened panels under compression. The four types of short stiffened panels analyzed are made of mild or high tensile steel and have bar, ‘L’ and ‘U’ stiffeners. To understand the effect of finite element modelling on the ultimate strength of the stiffened panels, four types of models with different geometry are investigated in the FE analysis. Moreover, different boundary conditions for the same FE model are also investigated. From the results of the FE analysis, two of the four models studied can produce adequate boundary conditions at the loaded edges. The stiffened panels with different combinations of mechanical material properties and geometric configurations are considered. The initial geometric imperfection affects the collapse behaviour of stiffened panel and is analyzed in FE simulation.
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