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Table 2.
Geometric parameters of reference, initial and optimized soundboards used in verification.
| Soundboard designs | |||||
|---|---|---|---|---|---|
| Parameters | Unit | SB1 ref | SB1 init | SB1 opt | Error [%] |
| c 1 | – | 5.32309 | 5.32218 | 5.32294 | 0.017 |
| c 2 | – [10−3] | −9.25953 | −11.64148 | −9.24901 | 0.114 |
| c 3 | – [10−2] | −7.67400 | −11.32463 | −7.67646 | −0.032 |
| c 4 | – [10−4] | −1.22433 | 0.87117 | −1.22456 | −0.002 |
| c 5 | – [10−3] | 1.39442 | 1.39442 | 1.40850 | −1.001 |
| c 6 | – [10−6] | −2.42384 | 0.56685 | −2.39769 | 1.079 |
| c 7 | – [10−5] | −4.54929 | −2.37635 | −4.54825 | 0.023 |
| c 8 | – [10−7] | 1.34396 | 1.24914 | 1.34458 | −0.046 |
| c 9 | – [10−6] | 1.08591 | 0.98952 | 1.08553 | 0.035 |
| L | [mm] | 504.825 | 497.540 | 504.822 | 0.001 |
| h | [mm] | 3.00 | 2.50 | 3.00 | 0.000 |
| R | [mm] | 49.213 | 49.213 | 49.219 | −0.012 |
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