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Comparison of experimental and FEM results based on centroid frequency variation (<2% deviation).
| Hole Diameter [mm] | Centroid Frequency—Simulation | Centroid Frequency—Experiment | % Difference |
|---|---|---|---|
| Intact (Healthy) | 30,224.5970 | 29,846.5018 | 1.3 |
| 5 | 30,607.5207 | 30,160.4476 | 1.5 |
| 7 | 30,750.5275 | 30,211.4998 | 1.8 |
| 13 | 30,947.5353 | 31,530.3745 | 1.9 |
