Abstract
The commercial hydrocode ANSYS AUTODYN® was used to create a thermally dependent model of an Ultra-High Molecular Weight Polyethylene (UHMW-PE) composite under high and hypervelocity impact. In particular this model was validated against high-velocity fragment-simulating projectile (FSP) impacts and hypervelocity polycarbonate cylinder impacts at 2,100 m/s and 3,500 m/s. It appeared that despite the same material model being used for thick unidirectional Dyneema® laminates and thin woven Spectra® laminates, the model showed reasonable correlation in all cases. This suggests that modelling results from these types of studies are not sensitive to the exact parameters used in the material model.
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