Table 2 Comparison of some natural frequencies (Hz) of the rectangular cavity with rigid walls.
Mode | Acoustic medium | |||
|---|---|---|---|---|
Air | Water | |||
IGA | Analytical | IGA | Analytical | |
(0,1,0) | 172.000 | 172.000 | 740.001 | 740.000 |
(1,0,0) | 172.000 | 172.000 | 740.001 | 740.000 |
(1,1,0) | 243.245 | 243.245 | 1046.519 | 1046.518 |
(0,0,1) | 344.000 | 344.000 | 1480.002 | 1480.000 |
(0,2,0) | 344.000 | 344.000 | 1480.025 | 1480.000 |
(2,0,0) | 344.000 | 344.000 | 1480.025 | 1480.000 |
(0,1,1) | 384.604 | 384.604 | 1654.692 | 1654.690 |
(1,0,1) | 384.604 | 384.604 | 1654.692 | 1654.690 |
(1,2,0) | 384.604 | 384.604 | 1654.713 | 1654.690 |
(2,1,0) | 384.604 | 384.604 | 1654.713 | 1654.690 |
(1,1,1) | 421.312 | 421.312 | 1812.624 | 1812.622 |
(0,2,1) | 486.489 | 486.489 | 2093.055 | 2093.036 |
(2,0,1) | 486.489 | 486.489 | 2093.055 | 2093.036 |
(2,2,0) | 486.489 | 486.489 | 2093.072 | 2093.036 |
(0,3,0) | 516.000 | 516.000 | 2220.018 | 2220.000 |
