Abstract
In this poster, a preliminary finite element model (FEM) of the head and cervical spine and the results from a simulated blow to the head using the LLNL DYNA3D FE code are presented. The skull and brain are modelled with 3D solid `finite elements' to capture the approximate geometrical structure. The skull is modelled using an existing elastic-plastic material model with failure. The porosity term is used to represent the cellular and crushable bone material, while bone fracturing is modelled using a tension based brittle failure model. Soft tissues are modelled using a viscoelastic material model, and the interface between the skull and the brain is modelled using a frictional slide-line, allowing the brain to rotate within the skull.