Creates RBE2 elements for the head and CBAR element for the body.
Restriction: Available in LS-DYNA, Nastran, and OptiStruct.
The head elements project and connect to the nodes of the adjoining shell elements which
form the hole. The connector location can either be on the edge of the hole, center of
the hole, midpoint in between the two holes or on the second row of nodes which form the
washer layer. Figure 1.
