Research Article
Robust Assignment of Natural Frequencies and Antiresonances in Vibrating Systems through Dynamic Structural Modification
Table 14
Test-case 4: original and modified system design variables and constraints.
| Parameter | Value | Modification bounds | Modified system with robustness (proposed method) |
| mA (kg) | 0 | [0; 10.000] | 2.429 | mB (kg) | 0 | [0.000; 10.000] | 5.452 | mC (kg) | 0 | [0.000; 8.000] | 7.363 | mD (kg) | 0 | [0.000; 8.000] | 5.167 | mE (kg) | 0 | [0.000; 6.000] | 1.773 | mF (kg) | 0 | [0.000; 6.000] | 2.143 | mG (kg) | 0 | [0.000; 5.000] | 3.987 | mH (kg) | 0 | [0.000; 5.000] | 3.625 | mI (kg) | 0 | [0.000; 4.000] | 1.073 | mJ (kg) | 0.000 | [0.000; 4.000] | 3.595 | mL (kg) | 0.000 | [0.000; 2.000] | 0.948 | A1 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0005 | A2 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0014 | A3 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0016 | A3 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0014 | A5 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0011 | A6 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0009 | A7 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0012 | A8 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0008 | A9 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0018 | A10 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0005 | A11 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0015 | A12 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0015 | A13 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0009 | A14 (m2) | 0.0013 | [−0.0009; 0.0009] | 0.0014 |
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