Research Article

Free and Forced Vibration Analysis of Airtight Cylindrical Vessels with Doubly Curved Shells of Revolution by Using Jacobi-Ritz Method

Table 3

The frequency parameters of the ECE vessel.

Mode number
0.250.7511.524

110.212940.200160.193030.178920.165540.12115
20.282110.382970.373330.353140.332710.25608
30.349420.516010.515180.509530.490620.38977
40.405830.548920.541020.525040.519310.50164
50.484990.576000.574320.571100.567610.52089

210.049150.045990.044490.041650.039010.03023
20.161950.154090.149860.141180.132300.09610
30.292530.283590.277430.263140.246120.16737
40.334340.408550.401480.382160.354200.24808
50.413440.517650.510340.485690.445570.33182

310.033790.032860.032420.031590.030830.02832
20.094430.090630.088740.084990.081260.06605
30.183030.176820.173480.166370.158550.11518
40.279930.272650.268240.257960.244630.16372
50.373530.366880.361890.348710.326610.22331