Research Article
Structural Weight and Stiffness Optimization of a Midibus Using the Reinforcement and Response Surface Optimization (RSO) Method in Static Condition
Table 8
Comparison of the original, reinforced, and optimal models in two loading conditions.
| | Loading conditions | Baseline design | Model I (RD) | Model II (RSO) |
| | Pure bending | Total deformation (mm) | 6.53 | 4.61 | 4.19 | | Equivalent stress (MPa) | 232.12 | 213.35 | 219.05 | | Bending stiffness (N/mm) | 4589.5 | 6500.9 | 7152.6 |
| | Pure torsion | Total deformation (mm) | 6.32 | 5.60 | 5.40 | | Equivalent stress (MPa) | 230.86 | 221.62 | 229.02 | | Torsional stiffness (Nm/deg) | 1379.93 | 1553.24 | 1604.31 | | Angle of rotation (deg) | 0.84 | 0.74 | 0.69 |
| | Bus structure | Total mass (kg) | 577.35 | 547.15 | 532.70 |
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