Vibrations of Three-Layered Cylindrical Shells with FGM Middle Layer Resting on Winkler and Pasternak Foundations

Table 2

Comparison of frequency parameter Ω=𝜔𝑅(1−𝜈²)𝜌/𝐸 for SS-SS cylindrical shell (𝑚=1, 𝐿=6𝑚, ℎ=0.002𝑚, 𝑅=1𝑚, 𝜈=0.3).

𝑛	Naeem and Sharma [20]	Present	Difference percentage
1	0.140641	0.140642	0.000
2	0.054323	0.054324	0.002
3	0.027074	0.027075	0.004
4	0.017776	0.017767	−0.051
5	0.017088	0.017074	−0.082
6	0.021303	0.021304	0.005
7	0.028089	0.028082	−0.025
8	0.036469	0.036470	0.003
9	0.046174	0.046171	−0.006
10	0.057088	0.057088	0.000