Shock and Vibration / 2018 / Article / Tab 4

Research Article

Analytical and Experimental Vibration of Sandwich Beams Having Various Boundary Conditions

Table 4

The natural frequencies (Hz) for cantilever beam with two different thicknesses.

Modes = 15 mm = 25 mm
GDQ method ExperimentGDQ method Experiment

1118.00111.19143.92143.02
2381.00364.60452.27475.21
3719.84680.80821.86824.33
41141.941063.501261.561323.81
51675.511652.071800.171772.60