Research Article
Free and Forced Vibration Analysis in Abaqus Based on the Polygonal Scaled Boundary Finite Element Method
Table 4
The first five natural frequencies (Hz) of a simple CFRD.
| | Case | Number of elements | Natural frequencies (Hz) | Relative error norm (%) | Time consumption (s) | | Mode 1 | Mode 2 | Mode 3 | Mode 4 | Mode 5 |
| | Reference | — | 12.413 | 16.673 | 20.492 | 22.106 | 25.580 | — | — | | Case 1 | 69329 | 12.403 | 16.670 | 20.482 | 22.103 | 25.577 | 0.03 | 22.5 | | Case 2 | 2212 | 12.395 | 16.658 | 20.447 | 22.071 | 25.511 | 0.18 | 0.6 | | Case 3 | 2788 | 12.406 | 16.676 | 20.498 | 22.112 | 25.602 | 0.04 | 1.4 |
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