7.17 Beam Segment Geometry

Expressions that extract geometry unique to beam segments. These must be prefixed with beam, e.g. beam.surfaceTop

lengthLeft	The beam length on the left side
lengthRight	The beam length on the right side
surfaceLeft	The surface area on the beam left
surfaceRight	The surface area on the beam right
surfaceBase	The surface area on the beam base
surfaceTop	The surface area on the beam top