Learn how to set a pinned support fixed in the UX- and UZ-directions.
In the Standard toolbar, expand the Layouts drop-down menu and select Supports as shown below or select Geometry > (Supports).
In the Supports dialog box, double-click on Pinned (as shown below) to open the Support Definition dialog box.
In the Support Definition dialog box, on the Rigid tab, verify that the Fixed directionsUX and UZ are selected as shown below.
Click Close.
In the Supports dialog box, verify that the pinned option is still selected and click the nodes at the bottom of the structure to apply a pinned support to them as shown below.
Note: Alternatively, you can enter the required nodes numbers in the Current selection field in the Supports dialog box.