Table 1: Comparison of natural frequencies and loss factors obtained herein with those of [19] (  mm,  mm,  mm,  mm,  kV/mm, .

ModeNatural frequency  (Hz)Loss factor
PresentRef.PresentRef.

110.01110.0050.003930.00395
240.09140.0510.005070.00512
389.12589.0280.004590.00461
4152.926152.7020.003360.00339
5236.396235.7610.002440.00250