Research Article
Experimental and Numerical Investigation of Stepped Planing Hulls in Finding an Optimized Step Location and Analysis of Its Porpoising Phenomenon
Table 14
Comparison between the experimental measurements and numerical data for nonstep and single-step models.
| | Model | Velocity (m/s) | Drag (N) | Trim (degree) | Rise-up (mm) | | Exp | Num | Error (%) | Exp | Num | Error (%) | Exp | Num | Error (%) |
| | Nonstep | 6 | 133.9 | 130.4 | 2 | 6.63 | 6.1 | 8 | 70.26 | 66 | 5 | | Nonstep | 7 | 135.3 | 132.4 | 2 | 5.81 | 5.2 | 9 | 81.54 | 75 | 8 | | Single step | 6 | 131 | 126.5 | 3 | 5.81 | 5.4 | 7 | 66.89 | 70 | 6 | | Single step | 7 | 132.8 | 128.5 | 3 | 5.15 | 4.5 | 12 | 76.7 | 81 | 7 |
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