Research Article
Robust Design Optimization of Car-Door Structures with Spatially Varied Material Uncertainties
Table 2
Results for the robust design optimization based on various combinations of the objective function.
| | | Initial result | Uniobjective | Biobjective | Triobjective | | | | | | | | | |
| | Mean | 6.66 | 23.88 | 136.01 | 4.37 | 26.04 | 145.25 | 5.01, 24.73 | 4.87, 142.5 | 5.06, 24.28, 140.25 | | Std.D | 1.03 | 2.41 | 22.56 | 0.51 | 1.58 | 14.10 | 0.61, 1.84 | 0.57, 15.22 | 0.63, 1.96, 16.17 | | COV | 15.5% | 10.09% | 16.58% | 10.98% | 10.98% | 9.70% | 12.17%, 7.44% | 11.49%, 10.68% | 12.45%, 8.07%, 11.53% |
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Std.D: standard deviation; COV: coefficient of variation.
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