This directory contains two subdirectories, Analytical and Voxel.Both contain MCNP input decks with different representations of theSnyder Head model.The Analytical directory contains the analytical form, with curved surfaces representing the boundaries between bone,skin and tissue.The Voxel directory contains two input decks with the same geomtery represented as small voxels, either 1.6 or 0.8 cm along an edge. Materials within a voxel are homogeneous. More about this input deck geometry, neut ...