Research Article
Microstructural Topology Optimization of Constrained Layer Damping on Plates for Maximum Modal Loss Factor of Macrostructures
Table 4
Topological designs of viscoelastic damping material microstructures for four different meshes.
| | 15 × 15 × 15 | 20 × 20 × 20 | 25 × 25 × 25 | 30 × 30 × 30 |
| Microstructure | | | | | Number of iterations | 51 | 57 | 77 | 100 | Computational cost (s) | 1053.94 | 2809.80 | 7615.37 | 17812.88 | Effective storage shear modulus (MPa) | | | | | Modal loss factor | 0.0648 | 0.0648 | 0.0648 | 0.0649 |
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