Research Article
Multiobjective Lightweight Optimization Design Method for a Dump Truck Carriage under Multiple Working Conditions
Table 6
Accuracy of the four approximation methods for constructing the approximation model.
| Approximation method | Mass | EI | MT | Full-load strain | Full-load stress | 0° strain | 0° stress |
| RBF | 0.997 | 0.981 | 0.908 | 0.977 | 0.917 | 0.903 | 0.927 | HK | 1 | 0.999 | 0.910 | 0.912 | 0.966 | 0.983 | 0.988 | LSR | 1 | 0.980 | 0.907 | 0.910 | 0.914 | 0.981 | 0.910 | MLSM | 1 | 0.982 | 0.920 | 0.934 | 0.906 | 0.989 | 0.916 |
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