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- W2394144426 abstract "A free-free beam is often approximately treated as a simplified model of slender structures without any support or constraint at two ends. By employing finite difference method and introducing the defect-severity factor into an elastic-plastic and large deflection model, the dynamic plastic behaviour of a free-free beam with an initial notch subjected to transverse impact of a travelling mass at an arbitrary location along its span is analyzed in detail. Special attention is paid to the transient bending moment, curvature and deformation distributions, and the relative slope at the notched section as well as their changes versus time. It is shown that there are four phases of the structural response for this case, the location and its severity of the defect may affect the failure model of the free-free beam. The closer to the impact location the defect is, the easier the free-free beam is to fracture at the notched section. The study results are useful for the safe design of structures with defects." @default.
- W2394144426 created "2016-06-24" @default.
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- W2394144426 date "2007-01-01" @default.
- W2394144426 modified "2023-09-24" @default.
- W2394144426 title "ELASTO-PLASTIC DYNAMIC BEHAVIOUR OF A FREE-FREE BEAM WITH AN INITIAL NOTCH" @default.
- W2394144426 hasPublicationYear "2007" @default.
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