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 3.9270 4.7214 7.0432 7.8357 10.190 11.035 13.323 14.162 16.424 17.333
**Experimental, adimensional 3.9229 4.7227 7.0528 7.8249 10.159 10.838 13.310 14.137 16.345 17.178 Exact analytical solution 3.9319 4.7295 7.0613 7.8187 10.158 11.014 13.337 14.152 16.465 17.282 FEM 3.9222 4.7142 7.0376 7.7588 10.007 — — — — — Albarracín and Grossi, 2005 [14 ]
Experimental, in hertz: values
were measured in the experimental model (Figure 6 ).
measured values:
.
