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Publications
Shi, X.H., Zhang. J. and Guedes Soares, C. (2019), “Numerical assessment of experiments on the residual ultimate strength of stiffened plates with a crack”, Ocean Engineering, Vol. 171, pp. 443-457
The residual ultimate strength of steel stiffened plates damaged with a crack and subjected to axial compression is determined by using the nonlinear finite element method. The numerical method is verified by comparing the finite element results with experiments made to investigate the influence of varying orientation, length and location of the crack. Under the gradual compression loading, the stress intensity factor is given to check the crack propagation before the structure collapses. The initial weld induced plate distortions have a significant effect on the residual ultimate strength including the measured data by tests and the buckling-type one. A series of analysis is performed to study the effect of the different boundary conditions of the longitudinal edge, different type of initial deformations and the different cracks.
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