This contribution investigates a finite element methodology to capture the behaviour of Dyneema® fibre based composites at quasi-static rates of deformation, under low velocity drop weight impact, and high velocity ballistic impact. A sub-laminate approach has been used with MAT162 to investigate the behaviour of panels made with Dyneema® HB26. This was validated against experimental observations in literature at low rates of deformation, highlighting the impact of the sub-laminate approach. Plane-strain beam models showed that single element sub-laminates provide a reasonable approximation to global laminate deformation, largely controlled through Mode II cohesive zone properties and kink band formation. Low velocity drop weight impact models of panels made with Dyneema® HB26 provided force-deflection within 10% of experimental observations, with in-plane shear strain contour plots from models directly compared with the experiment. Ballistic impact models utilising rate effects and damage showed similar modes of deformation and failure to that observed in literature, and provide a good approximation for ballistic limit and bulge deformation up to 20 mm target thickness for a 20 mm steel FSP.