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Publicações
Li, C.F., Ren, H.L., Zhu, Z.Y. e Guedes Soares, C. (2017), “Finite Element Analysis of the ultimate strength of aluminium-stiffended panels with fixed and floating transverse frames”, Journal of Offshore Mechanics and Arctic Engineering, Vol. 139, pp. 041401-1 - 041401-10
The aim of this study was to analyze the ultimate strength of stiffened aluminum panels by the non-linear finite element method. Anew type of stiffened aluminum alloy panel has been designedwhich has fixed longitudinal and alternating floating transverse frames. Based on material tensile tests,the material properties of the aluminum alloy wereobtained. Then, thesimulation method of welding residual stresses and the effect of heat-affected zone are investigated. The FEAsoftware ABAQUS V6.11isused to estimate the ultimate strength of these stiffened panels under axial compression. The results showthat: 1) The mechanical imperfections have significant effect on ultimate strength of stiffened panels; 2) residual stresses may have positive effect on ultimate strength; 3) the new stiffened panels also have good performance on ultimate bearing capacities.
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