Improved Finite Beam Element Method to Analyze the Natural Vibration of Steel-Concrete Composite Truss Beam

Table 2

Comparison of calculation results between the FBEM and ANSYS model (SCCTB-2).

	Computation methods	Natural frequencies (Hz)
		1st	2nd	3rd	4th	5th	6th
0.40		6.717	17.314	32.190	50.824	72.887	97.708
		6.598	17.177	32.065	50.470	71.700	95.122
		6.795	18.224	35.278	57.903	86.098	119.830
0.60		6.833	17.465	32.347	50.966	73.013	97.813
		6.734	17.370	32.284	50.686	71.903	95.307
		6.944	18.454	35.562	58.214	86.427	120.170
0.80		6.935	17.602	32.494	51.103	73.134	97.915
		6.853	17.548	32.491	50.893	72.100	95.488
		7.075	18.666	35.832	58.516	86.750	120.504
1.00		7.025	17.729	32.634	51.235	73.252	98.014
		6.957	17.712	32.688	51.094	72.292	95.665
		7.190	18.864	36.090	58.810	87.065	120.834
2.00		7.352	18.242	33.234	51.826	73.796	98.481
		7.338	18.384	33.539	52.001	73.182	96.501
		7.612	19.683	37.228	60.157	88.549	122.409
		10.079	6.564	4.396	2.944	2.026	1.429