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

Table 2

DFE fundamental frequencies (Hz) for clamped-clamped (C-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	16.266	16.266	16.157	16.243	16.141
0.62	16.413	16.413	16.306	16.399	16.290
1.23	16.559	16.559	16.451	16.530	16.437
1.85	16.703	16.703	16.597	16.685	16.582