*SET_NODE_LIST
Defines a set of nodes. Card2 is repeated as many times as required to specify all the node IDs in the set.
Card1
SID = ID of the set.
Card2
NID1-NID8 = IDs for eight of the nodes in the set.
*SET_PART_LIST
Defines a set of parts. Card2 is repeated as many times as required to specify all the part IDs in the set.
Card1
SID = ID of the set.
Card2
PID1-PID8 = IDs for eight of the parts in the set.
*SET_SEGMENT
Defines triangular and quadrilateral segments. Card2 is repeated as many times as required to specify all the segments in the set.
Card1
SID = ID of the set.
Card2
N1-N4 = IDs of nodes that define one of the segments. For triangular segments N4=N3.