How can I model a ring load in Settle3D?

There is no direct way to enter the ring load.  But, there are two indirect ways to model it. 

The first is to use polygonal loads to define the inner and outer circle, but this process may be cumbersome. 

The second way is to use two circles to define the ring load.  One circle to model the outer boundary with a positive load value and another circle with negative load to model the inner boundary.