The dynamic increase factor phenomenon occurred in both tested materials, soft wood and hard wood, with the stresses rising with an increase of the strain rate.  The dynamic increase factors of spruce wood in the longitudinal, tangential, and radial direction were obtained.  The dynamic increase factors of teak wood in the longitudinal and radial direction were obtained.  The parameters applied in the numerical simulation using LS-Dyna for the SHPB rods, the tested wood materials and the contacts in the experiments conducted were satisfactory.