GGU-SLAB: Step 2: Change the boundary conditions (Example 2)
Delete the boundary conditions at the left and right slab boundary. Go to the "Boundary/(Displacement) In section" menu item. Encompass the entire system with the quadrilateral and press the "Delete" button in the dialog box.
Now define the point loads. Go to the "Boundary/Point loads" menu item. Click the nodes with the two coordinates given above (node 33 and node 73) and enter the following:

Now analyse the system and evaluate it, as previously described above.