The icon for a hollow circle beam section type looks like this:

When you select Hollow Circle as the beam type on the Beam Section Definition dialog box, you must enter positive values for the following cross-section dimensions:

Select units for length or use the default principal units.

The figures below illustrate stress recovery points for hollow circle section types. The figure on the left shows the points for native mode, and the figure on the right shows the points for FEM mode.

Return to Beam Section Definition Dialog Box.