Activating the command: Results Contours
Settings Legend Properties Vector Plots tab in the Results environment.
Various results (such as reaction forces and electrostatic fields) can be displayed as vector arrows. The settings for the arrows are controlled by the Vector Plots tab.
Scale by Vector Magnitudes
If this check box is activated, the arrows used in the vector plots will vary in size with respect to the magnitude of the value at each node. If this check box is deactivated, all the arrows will be the same size. The arrows will still be colored according to the magnitude.
Size of Vectors
This slider will allow you to control the size of the arrows in the vector plots. Both the length and arrow head size will be controlled by this slider.