Nonlinear Dynamic Behavior Analysis of Pressure Thin-Wall Pipe Segment with Supported Clearance at Both Ends

Table 2

Comparison of values of natural frequency parameter for a circular cylindrical shell with free-free boundary condition ( m,  m,  m, ,  N/m², and  kg/m³).

	⁢			⁢
	Present	Reference [22]	Difference (%)	Present	Reference [22]	Difference (%)
1	2479.2	2479.3	0.01	4830.2	4830.6	0.01
2	269.4	269.3	0.04	277.5	278.58	0.38
3	761.9	761.0	0.12	773.2	771.62	0.20
4	1460.9	1458.6	0.15	1473.7	1469.3	0.30
5	2362.4	2358.6	0.16	2376.3	2369.0	0.30