Research Article
Nonlinear Dynamic Analysis of Railway Wagon End Wall under the Action of Granular Media
Table 3
FEM calculation results and theoretical calculation results.
| | Height ratio | Theoretical calculation (Hz) | FEM calculation result (Hz) | Relative error |
| | 0 | 127.806 | 135.444 | 5.64% | | 0.4 | 127.782 | 134.786 | 5.20% | | 0.8 | 126.805 | 133.993 | 5.36% | | 1 | 125.767 | 133.499 | 5.79% |
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