High-resolution solid mechanical model of the human cranium from the SCI Head Model project.45 (a) Total model with 8 512 657 nodes and 48 458 912 million linear tetrahedral elements. The region on the scalp subjected to ultrasound pressure as the traction boundary is shown by purple arrows. Inner parts of the model include the (b) skull, (c) cerebrospinal fluid (CSF), (d) gray matter (GM), (e) white matter (WM), and (f) combined ear, eye, and sinus.