Table 2.
Comparison of ResNES predictions with FEM and experimental results
| Grid density | Sample number | Frequency order | ResNES predictions (Hz) | FEM Results (Hz) | Deviation Between ResNES and FEM | Experimental Results (Hz) | Deviation Between ResNES and Experiment |
|---|---|---|---|---|---|---|---|
| 8 × 8 | 1 | First-order | 255.4 | 249.1 | 2.53% | 243.1 | 5.06% |
| Second-order | 327.2 | 321.2 | 1.87% | 314.9 | 3.91% | ||
| 2 | First-order | 432.8 | 424.3 | 2.00% | 453.0 | -4.46% | |
| Second-order | 595.2 | 598.3 | -0.52% | 620.2 | -4.03% | ||
| 10 × 10 | 3 | First-order | 832.4 | 844.5 | -1.43% | 814.1 | 2.25% |
| Second-order | 1573.2 | 1550.9 | 1.44% | 1645.2 | -4.38% | ||
| 4 | First-order | 865.0 | 872.7 | -0.88% | 908.7 | -4.81% | |
| Second-order | 2163.8 | 2207.3 | -1.97% | 2260.8 | -4.29% | ||
| 12 × 12 | 5 | First-order | 942.5 | 957.3 | -1.55% | 963.8 | -2.21% |
| Second-order | 1620.3 | 1650.9 | -1.85% | 1665.1 | -2.69% | ||
| 6 | First-order | 1890.3 | 1857.1 | 1.79% | 1823.5 | 3.66% | |
| Second-order | 4589.4 | 4501.2 | 1.96% | 4338.3 | 5.79% |