Hello all,

I had a question about the capability of the AnyForceMomentMeasure class in AnyBody. I was going through the tutorial entitled “The Mechanical Elements” and I downloaded the force file at the end of the section on forces entitled “Demo.AnyForce.any”. I was able to use the file and I noticed that the AnyForceMomentMeasure EndEffector was able to sum up the forces and the applied moment but upon outputting M, it didn’t include the effect of the forces on the moment. Is this effect supposed to be included or is only directly applied moments independent of a force reported?


Brandon Brown


The AnyForceMomentMeasure always sums up the pure moments and the moments due to forces in the M value that is reported.

The reason why you get zero contributions to the moment from the forces, is because of the point about which you are computing the moments. The point of interest is “Main.Manipulator.EndEffector.EndNode”. This is also the application point for the Floc and Fglob AnyForce3D objects, and hence their moment about the end node will always be zero.

AnyBody Support