Chinese Journal of Engineering / 2013 / Article / Tab 2

Research Article

Free Vibrations of Beam System Structures with Elastic Boundary Conditions and an Internal Elastic Hinge

Table 2

Comparison of the first ten frequency coefficients for L-beams: Case b: C-C.


= 56.76 82.01 182.5 225.88 382.08 448.0 653.08 737.92 992.43 1105.3 * Experimental, in hertz

3.92704.72147.04327.835710.19011.03513.32314.16216.42417.333 **Experimental, adimensional
3.92294.72277.05287.824910.15910.83813.31014.13716.34517.178Exact analytical solution
3.93194.72957.06137.818710.15811.01413.33714.15216.46517.282FEM
3.92224.71427.03767.758810.007Albarracín and Grossi, 2005 [14]

Experimental, in hertz: values were measured in the experimental model (Figure 6).
**Experimental, adimensional: values were obtained from measured values: .

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.