Research Article
A New Uncertain Analysis Method for the Prediction of Acoustic Field with Random and Interval Parameters
Table 3
The relative errors of the lower and upper bounds of expectation of the frequency response amplitude along the line of
m.
| Coordinate (m) | Lower bounds | Upper bounds | Monte Carlo | PCRS | Relative errors (%) | Monte Carlo | PCRS | Relative errors (%) |
| 0 | | | 0.39% | | | 0.22% | 0.1 | | | 0.39% | | | 0.22% | 0.2 | | | 0.39% | | | 0.22% | 0.3 | | | 0.40% | | | 0.23% | 0.4 | | | 0.41% | | | 0.23% | 0.5 | | | 0.43% | | | 0.24% | 0.6 | | | 0.46% | | | 0.26% | 0.7 | | | 0.52% | | | 0.29% | 0.8 | | | 0.60% | | | 0.33% | 0.9 | | | 0.68% | | | 0.36% | 1 | | | 0.75% | | | 0.39% | 1.1 | | | 0.80% | | | 0.40% | 1.2 | | | 0.83% | | | 0.41% | 1.3 | | | 0.85% | | | 0.42% | 1.4 | | | 0.87% | | | 0.43% | 1.5 | | | 0.87% | | | 0.43% |
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