The Velocity result shows the magnitude of flow velocity in every laminate, at every element, at several times during the filling and packing phases.
The velocity result can be used to determine areas with high or low flow rates. High velocity values for a section of a model indicates there is a high flow rate, meaning there could be shear heating problems. Very high local velocity values can cause the temperature to drastically increase in that area, resulting in surface blemishes, unbalanced filling, and packing and warpage problems.
If polymer flows quickly through one section of the mold, and flows slowly through another section of the mold, it could indicate filling defects such as hesitation or racetrack effects. Areas of the mold with very low velocities for most of the filling phase could indicate overpacking.