Research Article
Improved Multibody Dynamics for Investigating Energy Dissipation in Train Collisions Based on Scaling Laws
Table 3
Comparison of deformations between experiment and TMM.
| | Location | Deformation for experiment (mm) | Deformation for TMM (mm) | Difference (mm) | Relative error |
| | Regions 1 and 2 in total | Collapsed tube | 116 | 125 | 9 | 7.83% | | Main energy absorbing structure | 333 | 383 | 50 | 15.02% | | Regions 3 and 4 in total | Collapsed tube | 0 | 2.2 | 2.2 | | | Car body | 0 | 0 | 0 | | | Regions 5 and 6 in total | | 0 | 1 | 1 | | | Regions 7 and 8 in total | | 0 | 1 | 1 | | | Regions 9 and 10 in total | | 0 | 0 | 0 | |
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