To assign a new Free displacement boundary condition for the Slope Cube module, the user needs to select the command "New Slope Cube BDRC":
- Using the Menu command: Insert->Boundary Conditions->Slope Cube
- Using the context menu (right click) on Slope Cube Boundary condition on Navigator Bar, located in left-hand side of the graphical user interface
- Using the "Edit Bar – Boundary Conditions", located on the right-hand side of the Graphical User Interface.
Different types of boundary conditions will appear in the New Slope Cube Boundary Condition dialog window.
![](lib/NewItem990.png)
See also the "How to Edit Boundary Conditions" topic.