Rectangle
The icon for a rectangular beam section type looks like this:
When you select Rectangle as the beam type on the Beam Section Definition dialog box, you must type positive values for the following cross-section dimensions:
b
d
Select units of length for b and d or use the default principal units.
The figures below illustrate stress recovery points for rectangular beam section types. The figure on the left shows the points in native mode, and the figure on the right shows the points in FEM mode.