The Link connector ties any two locations on the model by a rigid bar that is hinged at both ends. The distance between the two locations remain unchanged during deformation. The link connector is available for static, nonlinear, buckling, and frequency studies. You specify each location for the link connector by selecting a vertex or a reference point.
The following input is needed to define the link connector:
Vertex or point
for the first location 
. Select a vertex or a reference
point as the first location on the link connector.
Vertex or point
for the second location . Select a vertex or a reference
point as the second location on the link connector.
You can select only one location
in each selection box.
The following limitations should be observed when using tie connectors:
Link connectors are not available for shell models.
No large rotations are allowed.
To create a link connector:
In the COSMOS AnalysisManager tree, right-click the Load/Restraint folder of a static, buckling, or frequency study, and select Connectors.
The Connectors PropertyManager appears.
From the Type drop-down menu, select Link.
In the Vertex or point for first location box, select a vertex or a reference point.
In the Vertex or point for second location box, select a vertex or a reference point.
Click 
.