Chinese Journal of Engineering / 2013 / Article / Tab 1

Research Article

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

Table 1

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


4.30 11.90 58.59 86.67 185.38 233.76 386.96 456.54 659.79 751.3 * Experimental, in hertz

1.08111.79853.99074.85377.09867.954110.25511.13913.39214.290 **Experimental, adimensional
1.08201.78633.96804.80317.09817.913110.22911.03413.36814.171Exact analytical solution
1.08541.79033.97534.80777.09567.930710.22511.05913.35514.191FEM
1.08801.78693.96854.80217.0915 Lin and Ro, 2003 [7]

Experimental, in hertz: values were measured in the experimental model (Figure 5).
**Experimental, adimensional: values were obtained from measured values: .

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