Research Article
Method for Predicting Barge Impact Force Based on Nonlinear Spring Stiffness
Table 4
Coefficient of response surface function.
| | Coefficient of RSF | | Key point | a | b1 | b2 | c1 | c2 |
| | 1 | 4.294 | 1.112 × 10−3 | 7.531 | −3.854 × 10−7 | −9.054 × 10−1 | | 2 | 14.275 | 2.692 × 10−4 | −3.635 | −9.200 × 10−8 | 5.602 × 10−1 | | 3 | 7.418 | 2.979 × 10−4 | −2.566 × 10−1 | −1.590 × 10−7 | −1.156 × 10−1 | | 4 | −4.021 × 10−1 | 1.827 × 10−3 | 4.671 × 10−1 | −8.845 × 10−7 | −6.117 × 10−2 |
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