Nonlinear Vibration of a Functionally Graded Nanobeam Based on the Nonlocal Strain Gradient Theory considering Thickness Effect

Table 3

The first nondimensional natural frequencies of FG beams.

k	L/h = 5		L/h = 20
	Thai and Vo [50]	Present	Thai and Vo [50]	Present
0	5.3953	5.3953	5.4777	5.4777
0.5	4.5931	4.5932	4.6641	4.6641
1	4.1484	4.1485	4.2163	4.2163
2	3.7793	3.7796	3.8472	3.8472
5	3.5949	3.5952	3.6628	3.6628
10	3.4921	3.4923	3.5547	3.5547