Shock and Vibration / 2018 / Article / Tab 2

Research Article

Analytical and Experimental Vibration of Sandwich Beams Having Various Boundary Conditions

Table 2

The five low natural frequencies for a simply supported sandwich beam (rad/s).

ModePresent method (GDQ)Exact [11]Model (C) [12]

12048.462048.412048.19
2 5189.735189.675183.37
3 8250.24 8250.198224.06
4 11225.32 11225.2711159.63
5 14139.22 14139.1914009.12