Table 2: (a) Acoustic mode convergence for various amplitudes (1st resonant frequency). (b) Acoustic mode convergence for various amplitudes (2nd resonant frequency).
(a)

No. of acoustic modes = 149

0.643630.643480.64348
0.60.661480.661400.66139
10.677620.677590.67759
1.40.687230.687210.68721

(b)

No. of acoustic modes = 149

1.079851.077861.07781
0.61.197701.195391.19534
11.409351.406611.40655
1.41.670181.667151.66709