Dynamic Behavior of Supported Structures from Free-Free Modal Tests Using Structural Dynamic Modification

Table 1

Mechanical and material properties of the beam.

Section (mm)	Young’s modulus (Pa)	Inertia (strong axis, X) (cm^4)	Inertia (weak axis, Y) (cm^4)	Mass per unit length (kg/m)
RHS 80 × 40 × 4	2.1 × 10^11	64.8	21.5	13.9