A Unified Spectro-Geometric-Ritz Method for Vibration Analysis of Open and Closed Shells with Arbitrary Boundary Conditions

Table 8

Comparison of the first six frequency parameters for an open conical shell with various boundary conditions.

Modes	S-S-S-S				C-C-C-C
	FEM [33]	ANSYS [33]	Ye et al. [37]	Present	FEM [33]	ANSYS [33]	Ye et al. [37]	Present
1	19.2	19.1	19.100	19.09991	35.2	35.0	35.08838	35.09070
2	43.6	43.5	43.632	43.63151	66.3	66.0	6.20422	66.20527
3	50.9	50.7	50.811	50.81127	74.9	74.4	74.60812	74.60727
4	78.9	78.6	78.942	78.94172	108.4	107.7	108.2133	108.2071
5	83.3	82.9	83.176	83.17624	113.2	112.2	112.8819	112.9004
6	101.1	100.6	100.795	100.7949	134.9	133.0	133.4319	133.4149