Validation of YEAHM

Abstract

This chapter presents the validation of a new and geometrically detailed FEHM against experimental data from impact tests on cadavers. YEAHM was validated against experimental data from impact tests on cadavers performed by Nahum et al. (1977), comparing the intracranial pressure at frontal, parietal, occipital and posterior fossa regions. The influence of mesh quality on the results is also analysed. In addition, YEAHM was also validated in terms of brain intracranial motion by simulating the impact performed by Hardy et al. (2001). In this, ten different points in the brain were tracked in terms of relative displacement in two directions. Since YEAHM is validated, it can be used as an injury evaluation tool in accident reconstructions, in forensic cases and even in the design of protective head gear.