Dynamic Finite Element Analysis of Bending-Torsion Coupled Beams Subjected to Combined Axial Load and End Moment

Table 4

DFE fundamental frequencies (Hz) for pinned-clamped (P-C) boundary condition.

Force (MN)	End moment ()
	(MN⋅m)		(MN⋅m)
	DFE; (1 element)	Analytical [23]	DFE; (5 elements)	FEM; (5 elements)	FEM; (40 elements)
0	11.209	11.209	11.051	11.183	11.040
0.62	11.408	11.408	11.254	11.321	11.242
1.23	11.604	11.604	11.451	11.574	11.441
1.85	11.796	11.796	11.646	11.724	11.636