I've get idea of what FEM is from tutorial and use it in projects to my cnc projects to see how much degradation or where the weak point.
However Im not the expert only get idea. So I like to ask the meaning for example the FEM tutorial:
https://www.freecadweb.org/wiki/FEM_Cal ... tilever_3D
The z-displacment show
This number mean if suppose the simulation is acculate. Once the body that fix and get that force at the end. It will sag at average 34.27mm and max at 88.443 immediately?