Research Article

Vibration Analysis of Conical Shells by the Improved Fourier Expansion-Based Differential Quadrature Method

Table 3

Natural frequency parameters obtained by employing (26) and (27) (, ).

ā€‰F-CC-CF-S

By employing (27)0.86890.87300.1440
By employing (26)0.86890.87310.1435
Irie et al. [6]0.86890.87310.1441