10.  Apply constraints to the model.

Constraints will be applied to all nodes located where the wing is fixed to the body.   Select all nodes at z=0, then apply the displacement constraints.

1. Choose Nodes  -»
2. Choose By Location  -»
3. Choose Z coordinates  -»
4. Enter 0 for the Z coordinate location  -»
5. Choose From Full  -»
6. Apply  -»
7. Main Menu:  Preprocessor
        Loads
             -Loads- Apply
                  -Structural-Displacement
                       On Nodes
8. Pick All (in picking menu) to pick all selected nodes
9. Choose All DOF  -»
10. OK (Note:  By leaving Displacement value blank, a default value of zero is used.)  -»

Reselect all nodes.

11. Choose By Num/Pick  -»
12. Sele All to immediately select all nodes from entire database  -»
13. Cancel to close dialog box  -»
14. Toolbar:  SAVE_DB