/GRTRUS

1.	A truss group is a set of trusses (only). It can be defined by a list of:

•

truss ID

•	subsets or parts (all trusses belonging to the listed subsets/parts are included)

•	submodels (all truss elements defined in the listed submodels are included)

•	property sets or materials (all trusses having those Property Type's/MID's are included)

•	truss groups

•	a box (all trusses within a defined box are included)