An option to glue elements together during a solution is available in FEMAP with NX Nastran. Glue Surface-to-Surface is a simple and effective method to join meshes which are dissimilar. It correctly transfers displacement and loads resulting in an accurate strain and stress condition at the interface. The grid points on glued edges and surfaces do not need to be coincident.
Glue creates stiff springs or a weld like connection to prevent relative motion in all directions.
Do you have a source that explains the effect of the "Glue Factor" on the "Define Connection Property" window? Does this correspond to a stiffness? Or a friction value? Do you have any guidance on how to choose an appropriate value for this entry?
All is written in NX NASTRAN manuals, simply in FEMAP go to HELP > NX NASTRAN and click in the NX NASTRAN USERS GUIDE, read everything in detail and you will understand the different parameters used with the GLUE contact condition.
For instance, writing a post about SURFACE-TO-SURFACE THERMAL COUPLING using GLUE feature of NX NASTRAN was an interesting exercise to "dive" between the different options of GLUE feature, here you are the link: http://www.iberisa.com/soporte/femap/termico/Heat_Transfer_from_Chip_to_PCB.htm
Using GLUETYPE=2 a “weld like” connection will be used to define the connections, where PENGLUE = Penalty factor is used to define the glue penalty stiffness (default=1.0).
For glued coincident faces, there is little flexibility between the faces with default penalty factors. Regardless of which GLUETYPE is used, the glue condition created between non-coincident faces will not usually produce a local stiffness as accurate as using a conventional finite element for the connection. The flexibility in the glue condition will depend on the GLUETYPE used, and the value of the penalty factors.
PLEASE NOTE: If you have non-coincident faces and the glue joint flexibility is important, then it is recommended that you model this connection with conventional finite elements.
The capabilities of the GLUE condition with NX NASTRAN are impressing, here you are: