Abstract
The determination of possible locations of brain damage caused by the generation of tensile pulses in the brain for axisymmetric impact is investigated. The head is modeled as a spherical fluid-filled shell and as a prolate ellipsoid of revolution. In the latter case both cavitating and noncavitating central fluids were used. The models are analyzed using a two-dimensional Lagrangian, finite difference computer computation. Results show rarefactions occur in the fluid both adjacent to and opposite to the loading point. The elliptical geometry increases the maximum tensile value and the occurrence of cavitation causes major modification of the levels in the rarefaction areas.
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