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Publications
He, X. and Guedes Soares, C. (2024), Parametric analysis of the pseudo-shakedown behaviour of plates under repeated impacts, Ocean Engineering, Vol. 314, 119675
This study conducts a parametric analysis to investigate how dynamic material properties, plate dimensions, and boundary conditions affect the pseudo-shakedown behaviour of plates subjected to repeated impacts. Validated numerical simulation methods are employed for this analysis. Different constitutive equations accounting for strain rate effects are used to vary dynamic material properties. Plate dimensions are varied in terms of aspect ratios and thicknesses. Various boundary conditions, including fully fixed boundaries and conditions allowing in-plane sliding, are considered. The analysis reveals that strain rate effects and boundary conditions notably influence the pseudo-shakedown response to repeated impacts. A discussion is made on the challenges and considerations in accurately modelling these effects in numerical simulations. The findings of this parametric analysis are helpful for designing ship plates to withstand repeated impacts, when incorporating pseudo-shakedown concepts in design strategies.
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