bolt (cylinder bar)

Restriction: Available in Abaqus, Nastran, and OptiStruct.

Abaqus

Creates a B31 element for the body and KINCOUP elements for the head elements.

Nastran and OptiStruct

Creates a CBEAM element for the body and RBE2 elements for the head elements.

This realization uses the prop_cylinder.tcl property script.
Figure 1.