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| Independent | MSC/NASTRAN | NISA II | MIDAS | OpenBrIM | Percent Difference (MIDAS vs Independent) | Percent Difference (MSC/NASTRAN vs Independent) | Percent Difference (NISA II vs Independent) | Percent Difference (OpenBrIM vs Independent) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| Mode1 | Frequency (rad/sec) | 10.8267 | 10.8267 | 10.8267 | 10.8267 | W1: 10.8267 | 0% | 0% | 0% | W1W1%: 0% |
| Frequency (cycle/sec) | 1.7231 | 1.7231 | 1.7231 | 1.7231 | F1: 1.7231 | 0% | 0% | 0% | F1F1%: 0% | |
| Period (sec) | 0.5803 | 0.5803 | 0.5803 | 0.5803 | T1: 0.5803 | 0% | 0% | 0% | T1T1%: 0% | |
| X1 | 1.0000 | 1.0000 | 1.0000 | 1.0000 | ||||||
| X2 | 0.531 | 0.531 | 0.531 | 0.531 | ||||||
| Mode2 | Frequency (rad/sec) | 46.1821 | 46.1821 | 46.1821 | 46.1821 | W2: 46.1821 | 0% | 0% | 0% | W2W2%: 0% |
| Frequency (cycle/sec) | 7.3501 | 7.3501 | 7.3501 | 7.3501 | F2: 7.3501 | 0% | 0% | 0% | F2F2%: 0% | |
| Period (sec) | 0.1361 | 0.1361 | 0.1361 | 0.1361 | T2: 0.1361 | 0% | 0% | 0% | T2T2%: 0% | |
| X1 | -0.133 | -0.133 | -0.133 | -0.133 | ||||||
| X2 | 1.0000 | 1.0000 | 1.0000 | 1.0000 |
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