It appears that the factor of separation is higher than the normal factor of safety used for tensile strength in static designs. Why is it so?
From the adjoining figure of the so-called ‘transmissibility factor’ diagram, it is seen that at 2.5 or above, the transmissibility factor is approximately 1.0, which means that the forces experienced by the part are very close to the static case. No magnification is implied. Furthermore as a consequence, stress calculations based on static analysis are valid. The entailing material economy is also evident.