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Numerical modelling of UHMWPE composites under impact loading

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Original languageEnglish
Title of host publicationTwenty second international conference on composite materials (ICCM22)
Publisher or commissioning bodyInternational Committee on Composite Materials
Number of pages12
DateAccepted/In press - 1 Mar 2019


The modelling of ultra-high molecular weight polyethylene (UHMWPE) fibre composites under impact loads has been the subject of numerous studies and has been attempted via different approaches. In this work, a finite element model is developed to predict the energy absorption at the interfaces of these laminates, under varying rates of impact. Cohesive elements are employed to model the behaviour of interface regions between sub-laminates at low strain rates. The model is then extended to ballistic impact rates, to capture the energy absorption mechanisms of the material and thereby facilitate better understanding of its mode I and mode II deformations. Subsequently, parametric studies are performed to determine the effect of physical parameters such as in-plane and through-thickness dimensions of the target on the dissipation of energy at the interfaces. The findings reinforce the dominance of energy dissipation through mode II delamination, while demonstrating dependence on the impact velocity.

    Research areas

  • Finite element analysis, Ballistic impact, Cohesive zone method, UHMWPE



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