Table 7 Inversion results for an 8-ply CFRP composite using datasets of different sizes.
Specific values (GPa) | Data size = 16 | Data size = 14 | Data size = 12 | Data size = 10 | |||||
|---|---|---|---|---|---|---|---|---|---|
Inversion results (GPa) | Relative error (%) | Inversion results (GPa) | Relative error (%) | Inversion results (GPa) | Relative error (%) | Inversion results (GPa) | Relative error (%) | ||
\({c}_{11}\) | 132.00 | 129.68 | 1.76 | 129.56 | 1.85 | 129.54 | 1.86 | 128.85 | 2.39 |
\({c}_{12}={c}_{13}\) | 4.00 | 3.68 | 8.00 | 3.74 | 6.50 | 3.58 | 10.5 | 3.48 | 13.00 |
\({c}_{22}={c}_{33}\) | 9.96 | 9.97 | 0.1 | 9.98 | 0.2 | 9.94 | 0.2 | 9.94 | 0.20 |
\({c}_{23}\) | 3.47 | 3.28 | 5.48 | 3.19 | 8.07 | 3.26 | 6.05 | 3.23 | 6.92 |
\({c}_{44}\) | 2.90 | 2.94 | 1.38 | 2.92 | 0.69 | 2.86 | 1.38 | 2.85 | 1.72 |
\({c}_{55}={c}_{66}\) | 4.80 | 4.55 | 5.21 | 4.51 | 6.04 | 4.49 | 6.46 | 4.44 | 7.5 |
3.66 (Mean) | 3.89 (Mean) | 4.41 (Mean) | 5.29 (Mean) | ||||||
