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Grupo de Estruturas Navais > 3.1 Resistência Última de Estruturas > Publicações
Xu, M.C., Fujikubo, M. e Guedes Soares, C. (2012), “Influence of model geometry and boundary conditions on the ultimate strength of stiffened panels under uniaxial compressive loading”, Proceedings of the 31st International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2012), 1-6 Julho, Rio de Janeiro, Brasil
The aim of this paper is to find out an appropriate configuration of boundary conditions and geometric model to calculate the ultimate strength of a continuous stiffened panel under uniaxial compressive loading in FE analysis. The 1+1 bays model with periodical symmetric boundary conditions is proposed to be used in FE analysis, whose results are compared with 1/2+1+1/2 bays model with periodical symmetric and symmetric boundary conditions, and 1/2+1+1+1/2 bays model with symmetric boundary conditions. The effects of the continuity of the stiffened panel with different geometric models and boundary conditions on its collapse mode are investigated. A beam tension test has been used to define the true stress-strain relationship.
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