Table 3 The first eight modal frequencies of the coupling system with rectangular panels.
Boundary | Frequency (Hz) | |||||||
---|---|---|---|---|---|---|---|---|
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | |
SSSS | ||||||||
Current | 15.340 | 26.877 | 27.984 | 41.877 | 48.582 | 48.841 | 49.333 | 59.169 |
ANSYS | 15.338 | 26.872 | 27.978 | 41.879 | 48.569 | 48.828 | 49.319 | 59.13 |
Error (%) | 0.013 | 0.019 | 0.021 | − 0.005 | 0.027 | 0.027 | 0.028 | 0.066 |
CSCS | ||||||||
Current | 27.676 | 35.990 | 37.904 | 48.053 | 56.028 | 62.383 | 41.167 | 41.443 |
ANSYS | 27.665 | 35.974 | 37.885 | 48.048 | 55.998 | 62.340 | 41.18 | 41.438 |
Error (%) | 0.040 | 0.044 | 0.050 | 0.010 | 0.054 | 0.069 | − 0.032 | 0.012 |
SFSF | ||||||||
Current | 10.653 | 13.766 | 15.306 | 24.510 | 24.695 | 40.618 | 41.167 | 41.443 |
ANSYS | 10.655 | 13.77 | 15.308 | 24.512 | 24.697 | 40.635 | 41.18 | 41.438 |
Error (%) | − 0.019 | − 0.029 | − 0.013 | − 0.008 | − 0.008 | − 0.042 | − 0.032 | 0.012 |
CFFF | ||||||||
Current | 3.694 | 6.181 | 6.683 | 13.669 | 13.927 | 19.636 | 22.970 | 27.014 |
ANSYS | 3.698 | 6.207 | 6.710 | 13.738 | 13.990 | 19.688 | 23.063 | 27.163 |
Error (%) | − 0.108 | − 0.419 | − 0.402 | − 0.502 | − 0.450 | − 0.264 | − 0.403 | − 0.549 |