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

Table 3

DFE fundamental frequencies (Hz) for pinned-pinned (P-P) 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	7.175	7.175	6.955	7.058	6.947
0.62	7.440	7.440	7.228	7.398	7.220
1.23	7.695	7.695	7.488	7.552	7.483
1.85	7.942	7.942	7.743	7.847	7.736