Free Vibration Analysis for Shells of Revolution Using an Exact Dynamic Stiffness Method

Table 7

Natural frequencies of a spherical shell cap ().

1		2		3
Present	Ref. [27]	Present	Ref. [27]	Present	Ref. [27]
1	0.9208	0.9239	0.9459	0.9462	0.9588	0.9607
2	0.9571	0.9582	0.9858	0.9886	1.0045	1.0098
3	0.9905	0.9975	1.0396	1.0434	1.0695	1.0776
4	1.0548	1.0613	1.1158	1.1232	1.1703	1.1845