Research Article

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

Table 1

Frequency parameter of a spherical–cylindrical–spherical shell.

Mode numberNumber of the segments ()Shi et al. [37]ANSYS [37]
246810

010.048720.048720.048720.048720.048720.048720.04860
20.060940.060920.060920.060920.060920.061010.06085
30.084340.084320.084320.084320.084320.084550.08409
40.095650.095650.095650.095650.095650.095660.09567
50.095740.095740.095740.095740.095740.095810.09568
60.101320.101320.101320.101320.101320.101400.10118
70.103600.103590.103590.103600.103590.103730.10334

110.041750.041740.041740.041750.041730.041800.04165
20.063910.063900.063900.063900.063900.063990.06384
30.077430.077430.077420.077420.077420.077510.07732
40.088270.088250.088250.088250.088250.088500.08801
50.090160.090160.090160.090160.090160.090140.09015
60.096260.096260.096260.096250.096250.096230.09622
70.100670.100670.100670.100660.100660.101040.10019

210.013120.013120.013120.013120.013120.013270.01300
20.037790.037770.037770.037770.037770.038000.03760
30.060210.060200.060200.060200.060200.060420.06000
40.076360.076350.076350.076350.076350.076490.07620
50.086830.086830.086830.086830.086830.086890.08680
60.093210.093210.093210.093210.093210.093280.09310
70.096700.096690.096690.096690.096690.096840.09660